From 3afb00d3f86d3d924f88b56fa8285d4e9db85852 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 7 Aug 2024 15:17:52 +0200 Subject: Merging upstream version 6.10.3. Signed-off-by: Daniel Baumann --- drivers/base/arch_topology.c | 26 +- drivers/base/core.c | 62 +-- drivers/base/cpu.c | 2 +- drivers/base/devcoredump.c | 23 + drivers/base/devres.c | 11 +- drivers/base/memory.c | 2 +- drivers/base/power/main.c | 6 +- drivers/base/power/wakeup.c | 11 +- drivers/base/property.c | 16 +- drivers/base/regmap/internal.h | 14 +- drivers/base/regmap/regcache-maple.c | 2 +- drivers/base/regmap/regmap-i3c.c | 2 +- drivers/base/regmap/regmap-kunit.c | 999 ++++++++++++++++++++++++++--------- drivers/base/regmap/regmap-mdio.c | 2 +- drivers/base/regmap/regmap-ram.c | 5 +- drivers/base/regmap/regmap-raw-ram.c | 5 +- drivers/base/regmap/regmap-sdw-mbq.c | 2 +- drivers/base/regmap/regmap-sdw.c | 2 +- drivers/base/regmap/regmap-spi.c | 1 + drivers/base/regmap/trace.h | 18 +- drivers/base/trace.h | 2 +- 21 files changed, 854 insertions(+), 359 deletions(-) (limited to 'drivers/base') diff --git a/drivers/base/arch_topology.c b/drivers/base/arch_topology.c index 024b78a0cf..c66d070207 100644 --- a/drivers/base/arch_topology.c +++ b/drivers/base/arch_topology.c @@ -22,7 +22,7 @@ #include #define CREATE_TRACE_POINTS -#include +#include static DEFINE_PER_CPU(struct scale_freq_data __rcu *, sft_data); static struct cpumask scale_freq_counters_mask; @@ -160,26 +160,26 @@ void topology_set_cpu_scale(unsigned int cpu, unsigned long capacity) per_cpu(cpu_scale, cpu) = capacity; } -DEFINE_PER_CPU(unsigned long, thermal_pressure); +DEFINE_PER_CPU(unsigned long, hw_pressure); /** - * topology_update_thermal_pressure() - Update thermal pressure for CPUs + * topology_update_hw_pressure() - Update HW pressure for CPUs * @cpus : The related CPUs for which capacity has been reduced * @capped_freq : The maximum allowed frequency that CPUs can run at * - * Update the value of thermal pressure for all @cpus in the mask. The + * Update the value of HW pressure for all @cpus in the mask. The * cpumask should include all (online+offline) affected CPUs, to avoid * operating on stale data when hot-plug is used for some CPUs. The * @capped_freq reflects the currently allowed max CPUs frequency due to - * thermal capping. It might be also a boost frequency value, which is bigger + * HW capping. It might be also a boost frequency value, which is bigger * than the internal 'capacity_freq_ref' max frequency. In such case the * pressure value should simply be removed, since this is an indication that - * there is no thermal throttling. The @capped_freq must be provided in kHz. + * there is no HW throttling. The @capped_freq must be provided in kHz. */ -void topology_update_thermal_pressure(const struct cpumask *cpus, +void topology_update_hw_pressure(const struct cpumask *cpus, unsigned long capped_freq) { - unsigned long max_capacity, capacity, th_pressure; + unsigned long max_capacity, capacity, pressure; u32 max_freq; int cpu; @@ -189,21 +189,21 @@ void topology_update_thermal_pressure(const struct cpumask *cpus, /* * Handle properly the boost frequencies, which should simply clean - * the thermal pressure value. + * the HW pressure value. */ if (max_freq <= capped_freq) capacity = max_capacity; else capacity = mult_frac(max_capacity, capped_freq, max_freq); - th_pressure = max_capacity - capacity; + pressure = max_capacity - capacity; - trace_thermal_pressure_update(cpu, th_pressure); + trace_hw_pressure_update(cpu, pressure); for_each_cpu(cpu, cpus) - WRITE_ONCE(per_cpu(thermal_pressure, cpu), th_pressure); + WRITE_ONCE(per_cpu(hw_pressure, cpu), pressure); } -EXPORT_SYMBOL_GPL(topology_update_thermal_pressure); +EXPORT_SYMBOL_GPL(topology_update_hw_pressure); static ssize_t cpu_capacity_show(struct device *dev, struct device_attribute *attr, diff --git a/drivers/base/core.c b/drivers/base/core.c index 8e3bd230b1..2b4c0624b7 100644 --- a/drivers/base/core.c +++ b/drivers/base/core.c @@ -2346,8 +2346,6 @@ static void fw_devlink_link_device(struct device *dev) /* Device links support end. */ -int (*platform_notify)(struct device *dev) = NULL; -int (*platform_notify_remove)(struct device *dev) = NULL; static struct kobject *dev_kobj; /* /sys/dev/char */ @@ -2395,16 +2393,10 @@ static void device_platform_notify(struct device *dev) acpi_device_notify(dev); software_node_notify(dev); - - if (platform_notify) - platform_notify(dev); } static void device_platform_notify_remove(struct device *dev) { - if (platform_notify_remove) - platform_notify_remove(dev); - software_node_notify_remove(dev); acpi_device_notify_remove(dev); @@ -2546,6 +2538,15 @@ ssize_t device_show_bool(struct device *dev, struct device_attribute *attr, } EXPORT_SYMBOL_GPL(device_show_bool); +ssize_t device_show_string(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct dev_ext_attribute *ea = to_ext_attr(attr); + + return sysfs_emit(buf, "%s\n", (char *)ea->var); +} +EXPORT_SYMBOL_GPL(device_show_string); + /** * device_release - free device structure. * @kobj: device's kobject. @@ -2847,15 +2848,6 @@ static void devm_attr_group_remove(struct device *dev, void *res) sysfs_remove_group(&dev->kobj, group); } -static void devm_attr_groups_remove(struct device *dev, void *res) -{ - union device_attr_group_devres *devres = res; - const struct attribute_group **groups = devres->groups; - - dev_dbg(dev, "%s: removing groups %p\n", __func__, groups); - sysfs_remove_groups(&dev->kobj, groups); -} - /** * devm_device_add_group - given a device, create a managed attribute group * @dev: The device to create the group for @@ -2888,42 +2880,6 @@ int devm_device_add_group(struct device *dev, const struct attribute_group *grp) } EXPORT_SYMBOL_GPL(devm_device_add_group); -/** - * devm_device_add_groups - create a bunch of managed attribute groups - * @dev: The device to create the group for - * @groups: The attribute groups to create, NULL terminated - * - * This function creates a bunch of managed attribute groups. If an error - * occurs when creating a group, all previously created groups will be - * removed, unwinding everything back to the original state when this - * function was called. It will explicitly warn and error if any of the - * attribute files being created already exist. - * - * Returns 0 on success or error code from sysfs_create_group on failure. - */ -int devm_device_add_groups(struct device *dev, - const struct attribute_group **groups) -{ - union device_attr_group_devres *devres; - int error; - - devres = devres_alloc(devm_attr_groups_remove, - sizeof(*devres), GFP_KERNEL); - if (!devres) - return -ENOMEM; - - error = sysfs_create_groups(&dev->kobj, groups); - if (error) { - devres_free(devres); - return error; - } - - devres->groups = groups; - devres_add(dev, devres); - return 0; -} -EXPORT_SYMBOL_GPL(devm_device_add_groups); - static int device_add_attrs(struct device *dev) { const struct class *class = dev->class; diff --git a/drivers/base/cpu.c b/drivers/base/cpu.c index 56fba44ba3..c61ecb0c2a 100644 --- a/drivers/base/cpu.c +++ b/drivers/base/cpu.c @@ -306,7 +306,7 @@ static ssize_t crash_hotplug_show(struct device *dev, struct device_attribute *attr, char *buf) { - return sysfs_emit(buf, "%d\n", crash_hotplug_cpu_support()); + return sysfs_emit(buf, "%d\n", crash_check_hotplug_support()); } static DEVICE_ATTR_ADMIN_RO(crash_hotplug); #endif diff --git a/drivers/base/devcoredump.c b/drivers/base/devcoredump.c index 7e2d1f0d90..82aeb09b3d 100644 --- a/drivers/base/devcoredump.c +++ b/drivers/base/devcoredump.c @@ -304,6 +304,29 @@ static ssize_t devcd_read_from_sgtable(char *buffer, loff_t offset, offset); } +/** + * dev_coredump_put - remove device coredump + * @dev: the struct device for the crashed device + * + * dev_coredump_put() removes coredump, if exists, for a given device from + * the file system and free its associated data otherwise, does nothing. + * + * It is useful for modules that do not want to keep coredump + * available after its unload. + */ +void dev_coredump_put(struct device *dev) +{ + struct device *existing; + + existing = class_find_device(&devcd_class, NULL, dev, + devcd_match_failing); + if (existing) { + devcd_free(existing, NULL); + put_device(existing); + } +} +EXPORT_SYMBOL_GPL(dev_coredump_put); + /** * dev_coredumpm - create device coredump with read/free methods * @dev: the struct device for the crashed device diff --git a/drivers/base/devres.c b/drivers/base/devres.c index 3df0025d12..8d709dbd4e 100644 --- a/drivers/base/devres.c +++ b/drivers/base/devres.c @@ -896,9 +896,12 @@ void *devm_krealloc(struct device *dev, void *ptr, size_t new_size, gfp_t gfp) /* * Otherwise: allocate new, larger chunk. We need to allocate before * taking the lock as most probably the caller uses GFP_KERNEL. + * alloc_dr() will call check_dr_size() to reserve extra memory + * for struct devres automatically, so size @new_size user request + * is delivered to it directly as devm_kmalloc() does. */ new_dr = alloc_dr(devm_kmalloc_release, - total_new_size, gfp, dev_to_node(dev)); + new_size, gfp, dev_to_node(dev)); if (!new_dr) return NULL; @@ -1222,7 +1225,11 @@ EXPORT_SYMBOL_GPL(__devm_alloc_percpu); */ void devm_free_percpu(struct device *dev, void __percpu *pdata) { - WARN_ON(devres_destroy(dev, devm_percpu_release, devm_percpu_match, + /* + * Use devres_release() to prevent memory leakage as + * devm_free_pages() does. + */ + WARN_ON(devres_release(dev, devm_percpu_release, devm_percpu_match, (__force void *)pdata)); } EXPORT_SYMBOL_GPL(devm_free_percpu); diff --git a/drivers/base/memory.c b/drivers/base/memory.c index c0436f46cf..67858eeb92 100644 --- a/drivers/base/memory.c +++ b/drivers/base/memory.c @@ -535,7 +535,7 @@ static DEVICE_ATTR_RW(auto_online_blocks); static ssize_t crash_hotplug_show(struct device *dev, struct device_attribute *attr, char *buf) { - return sysfs_emit(buf, "%d\n", crash_hotplug_memory_support()); + return sysfs_emit(buf, "%d\n", crash_check_hotplug_support()); } static DEVICE_ATTR_RO(crash_hotplug); #endif diff --git a/drivers/base/power/main.c b/drivers/base/power/main.c index 5679f966f6..4a67e83300 100644 --- a/drivers/base/power/main.c +++ b/drivers/base/power/main.c @@ -208,7 +208,7 @@ static ktime_t initcall_debug_start(struct device *dev, void *cb) if (!pm_print_times_enabled) return 0; - dev_info(dev, "calling %pS @ %i, parent: %s\n", cb, + dev_info(dev, "calling %ps @ %i, parent: %s\n", cb, task_pid_nr(current), dev->parent ? dev_name(dev->parent) : "none"); return ktime_get(); @@ -223,7 +223,7 @@ static void initcall_debug_report(struct device *dev, ktime_t calltime, return; rettime = ktime_get(); - dev_info(dev, "%pS returned %d after %Ld usecs\n", cb, error, + dev_info(dev, "%ps returned %d after %Ld usecs\n", cb, error, (unsigned long long)ktime_us_delta(rettime, calltime)); } @@ -1927,7 +1927,7 @@ EXPORT_SYMBOL_GPL(dpm_suspend_start); void __suspend_report_result(const char *function, struct device *dev, void *fn, int ret) { if (ret) - dev_err(dev, "%s(): %pS returns %d\n", function, fn, ret); + dev_err(dev, "%s(): %ps returns %d\n", function, fn, ret); } EXPORT_SYMBOL_GPL(__suspend_report_result); diff --git a/drivers/base/power/wakeup.c b/drivers/base/power/wakeup.c index a917219fee..752b417e81 100644 --- a/drivers/base/power/wakeup.c +++ b/drivers/base/power/wakeup.c @@ -451,16 +451,15 @@ static struct wakeup_source *device_wakeup_detach(struct device *dev) * Detach the @dev's wakeup source object from it, unregister this wakeup source * object and destroy it. */ -int device_wakeup_disable(struct device *dev) +void device_wakeup_disable(struct device *dev) { struct wakeup_source *ws; if (!dev || !dev->power.can_wakeup) - return -EINVAL; + return; ws = device_wakeup_detach(dev); wakeup_source_unregister(ws); - return 0; } EXPORT_SYMBOL_GPL(device_wakeup_disable); @@ -502,7 +501,11 @@ EXPORT_SYMBOL_GPL(device_set_wakeup_capable); */ int device_set_wakeup_enable(struct device *dev, bool enable) { - return enable ? device_wakeup_enable(dev) : device_wakeup_disable(dev); + if (enable) + return device_wakeup_enable(dev); + + device_wakeup_disable(dev); + return 0; } EXPORT_SYMBOL_GPL(device_set_wakeup_enable); diff --git a/drivers/base/property.c b/drivers/base/property.c index 7324a704a9..837d77e3af 100644 --- a/drivers/base/property.c +++ b/drivers/base/property.c @@ -868,20 +868,6 @@ struct fwnode_handle *fwnode_handle_get(struct fwnode_handle *fwnode) } EXPORT_SYMBOL_GPL(fwnode_handle_get); -/** - * fwnode_handle_put - Drop reference to a device node - * @fwnode: Pointer to the device node to drop the reference to. - * - * This has to be used when terminating device_for_each_child_node() iteration - * with break or return to prevent stale device node references from being left - * behind. - */ -void fwnode_handle_put(struct fwnode_handle *fwnode) -{ - fwnode_call_void_op(fwnode, put); -} -EXPORT_SYMBOL_GPL(fwnode_handle_put); - /** * fwnode_device_is_available - check if a device is available for use * @fwnode: Pointer to the fwnode of the device. @@ -905,7 +891,7 @@ EXPORT_SYMBOL_GPL(fwnode_device_is_available); /** * device_get_child_node_count - return the number of child nodes for device - * @dev: Device to cound the child nodes for + * @dev: Device to count the child nodes for * * Return: the number of child nodes for a given device. */ diff --git a/drivers/base/regmap/internal.h b/drivers/base/regmap/internal.h index bcdb25bec7..83acccdc10 100644 --- a/drivers/base/regmap/internal.h +++ b/drivers/base/regmap/internal.h @@ -326,20 +326,22 @@ struct regmap_ram_data { * Create a test register map with data stored in RAM, not intended * for practical use. */ -struct regmap *__regmap_init_ram(const struct regmap_config *config, +struct regmap *__regmap_init_ram(struct device *dev, + const struct regmap_config *config, struct regmap_ram_data *data, struct lock_class_key *lock_key, const char *lock_name); -#define regmap_init_ram(config, data) \ - __regmap_lockdep_wrapper(__regmap_init_ram, #config, config, data) +#define regmap_init_ram(dev, config, data) \ + __regmap_lockdep_wrapper(__regmap_init_ram, #dev, dev, config, data) -struct regmap *__regmap_init_raw_ram(const struct regmap_config *config, +struct regmap *__regmap_init_raw_ram(struct device *dev, + const struct regmap_config *config, struct regmap_ram_data *data, struct lock_class_key *lock_key, const char *lock_name); -#define regmap_init_raw_ram(config, data) \ - __regmap_lockdep_wrapper(__regmap_init_raw_ram, #config, config, data) +#define regmap_init_raw_ram(dev, config, data) \ + __regmap_lockdep_wrapper(__regmap_init_raw_ram, #dev, dev, config, data) #endif diff --git a/drivers/base/regmap/regcache-maple.c b/drivers/base/regmap/regcache-maple.c index 55999a50cc..e424334048 100644 --- a/drivers/base/regmap/regcache-maple.c +++ b/drivers/base/regmap/regcache-maple.c @@ -294,7 +294,7 @@ static int regcache_maple_exit(struct regmap *map) { struct maple_tree *mt = map->cache; MA_STATE(mas, mt, 0, UINT_MAX); - unsigned int *entry;; + unsigned int *entry; /* if we've already been called then just return */ if (!mt) diff --git a/drivers/base/regmap/regmap-i3c.c b/drivers/base/regmap/regmap-i3c.c index 0328b0b342..b5300b7c47 100644 --- a/drivers/base/regmap/regmap-i3c.c +++ b/drivers/base/regmap/regmap-i3c.c @@ -56,5 +56,5 @@ struct regmap *__devm_regmap_init_i3c(struct i3c_device *i3c, EXPORT_SYMBOL_GPL(__devm_regmap_init_i3c); MODULE_AUTHOR("Vitor Soares "); -MODULE_DESCRIPTION("Regmap I3C Module"); +MODULE_DESCRIPTION("regmap I3C Module"); MODULE_LICENSE("GPL v2"); diff --git a/drivers/base/regmap/regmap-kunit.c b/drivers/base/regmap/regmap-kunit.c index bb2ab6129f..be32cd4e84 100644 --- a/drivers/base/regmap/regmap-kunit.c +++ b/drivers/base/regmap/regmap-kunit.c @@ -4,11 +4,26 @@ // // Copyright 2023 Arm Ltd +#include +#include #include #include "internal.h" #define BLOCK_TEST_SIZE 12 +KUNIT_DEFINE_ACTION_WRAPPER(regmap_exit_action, regmap_exit, struct regmap *); + +struct regmap_test_priv { + struct device *dev; +}; + +struct regmap_test_param { + enum regcache_type cache; + enum regmap_endian val_endian; + + unsigned int from_reg; +}; + static void get_changed_bytes(void *orig, void *new, size_t size) { char *o = orig; @@ -27,57 +42,128 @@ static void get_changed_bytes(void *orig, void *new, size_t size) } static const struct regmap_config test_regmap_config = { - .max_register = BLOCK_TEST_SIZE, .reg_stride = 1, .val_bits = sizeof(unsigned int) * 8, }; -struct regcache_types { - enum regcache_type type; - const char *name; -}; +static const char *regcache_type_name(enum regcache_type type) +{ + switch (type) { + case REGCACHE_NONE: + return "none"; + case REGCACHE_FLAT: + return "flat"; + case REGCACHE_RBTREE: + return "rbtree"; + case REGCACHE_MAPLE: + return "maple"; + default: + return NULL; + } +} + +static const char *regmap_endian_name(enum regmap_endian endian) +{ + switch (endian) { + case REGMAP_ENDIAN_BIG: + return "big"; + case REGMAP_ENDIAN_LITTLE: + return "little"; + case REGMAP_ENDIAN_DEFAULT: + return "default"; + case REGMAP_ENDIAN_NATIVE: + return "native"; + default: + return NULL; + } +} -static void case_to_desc(const struct regcache_types *t, char *desc) +static void param_to_desc(const struct regmap_test_param *param, char *desc) { - strcpy(desc, t->name); + snprintf(desc, KUNIT_PARAM_DESC_SIZE, "%s-%s @%#x", + regcache_type_name(param->cache), + regmap_endian_name(param->val_endian), + param->from_reg); } -static const struct regcache_types regcache_types_list[] = { - { REGCACHE_NONE, "none" }, - { REGCACHE_FLAT, "flat" }, - { REGCACHE_RBTREE, "rbtree" }, - { REGCACHE_MAPLE, "maple" }, +static const struct regmap_test_param regcache_types_list[] = { + { .cache = REGCACHE_NONE }, + { .cache = REGCACHE_FLAT }, + { .cache = REGCACHE_RBTREE }, + { .cache = REGCACHE_MAPLE }, }; -KUNIT_ARRAY_PARAM(regcache_types, regcache_types_list, case_to_desc); +KUNIT_ARRAY_PARAM(regcache_types, regcache_types_list, param_to_desc); -static const struct regcache_types real_cache_types_list[] = { - { REGCACHE_FLAT, "flat" }, - { REGCACHE_RBTREE, "rbtree" }, - { REGCACHE_MAPLE, "maple" }, +static const struct regmap_test_param real_cache_types_only_list[] = { + { .cache = REGCACHE_FLAT }, + { .cache = REGCACHE_RBTREE }, + { .cache = REGCACHE_MAPLE }, }; -KUNIT_ARRAY_PARAM(real_cache_types, real_cache_types_list, case_to_desc); +KUNIT_ARRAY_PARAM(real_cache_types_only, real_cache_types_only_list, param_to_desc); + +static const struct regmap_test_param real_cache_types_list[] = { + { .cache = REGCACHE_FLAT, .from_reg = 0 }, + { .cache = REGCACHE_FLAT, .from_reg = 0x2001 }, + { .cache = REGCACHE_FLAT, .from_reg = 0x2002 }, + { .cache = REGCACHE_FLAT, .from_reg = 0x2003 }, + { .cache = REGCACHE_FLAT, .from_reg = 0x2004 }, + { .cache = REGCACHE_RBTREE, .from_reg = 0 }, + { .cache = REGCACHE_RBTREE, .from_reg = 0x2001 }, + { .cache = REGCACHE_RBTREE, .from_reg = 0x2002 }, + { .cache = REGCACHE_RBTREE, .from_reg = 0x2003 }, + { .cache = REGCACHE_RBTREE, .from_reg = 0x2004 }, + { .cache = REGCACHE_MAPLE, .from_reg = 0 }, + { .cache = REGCACHE_MAPLE, .from_reg = 0x2001 }, + { .cache = REGCACHE_MAPLE, .from_reg = 0x2002 }, + { .cache = REGCACHE_MAPLE, .from_reg = 0x2003 }, + { .cache = REGCACHE_MAPLE, .from_reg = 0x2004 }, +}; -static const struct regcache_types sparse_cache_types_list[] = { - { REGCACHE_RBTREE, "rbtree" }, - { REGCACHE_MAPLE, "maple" }, +KUNIT_ARRAY_PARAM(real_cache_types, real_cache_types_list, param_to_desc); + +static const struct regmap_test_param sparse_cache_types_list[] = { + { .cache = REGCACHE_RBTREE, .from_reg = 0 }, + { .cache = REGCACHE_RBTREE, .from_reg = 0x2001 }, + { .cache = REGCACHE_RBTREE, .from_reg = 0x2002 }, + { .cache = REGCACHE_RBTREE, .from_reg = 0x2003 }, + { .cache = REGCACHE_RBTREE, .from_reg = 0x2004 }, + { .cache = REGCACHE_MAPLE, .from_reg = 0 }, + { .cache = REGCACHE_MAPLE, .from_reg = 0x2001 }, + { .cache = REGCACHE_MAPLE, .from_reg = 0x2002 }, + { .cache = REGCACHE_MAPLE, .from_reg = 0x2003 }, + { .cache = REGCACHE_MAPLE, .from_reg = 0x2004 }, }; -KUNIT_ARRAY_PARAM(sparse_cache_types, sparse_cache_types_list, case_to_desc); +KUNIT_ARRAY_PARAM(sparse_cache_types, sparse_cache_types_list, param_to_desc); -static struct regmap *gen_regmap(struct regmap_config *config, +static struct regmap *gen_regmap(struct kunit *test, + struct regmap_config *config, struct regmap_ram_data **data) { + const struct regmap_test_param *param = test->param_value; + struct regmap_test_priv *priv = test->priv; unsigned int *buf; struct regmap *ret; - size_t size = (config->max_register + 1) * sizeof(unsigned int); + size_t size; int i; struct reg_default *defaults; + config->cache_type = param->cache; config->disable_locking = config->cache_type == REGCACHE_RBTREE || config->cache_type == REGCACHE_MAPLE; + if (config->max_register == 0) { + config->max_register = param->from_reg; + if (config->num_reg_defaults) + config->max_register += (config->num_reg_defaults - 1) * + config->reg_stride; + else + config->max_register += (BLOCK_TEST_SIZE * config->reg_stride); + } + + size = (config->max_register + 1) * sizeof(unsigned int); buf = kmalloc(size, GFP_KERNEL); if (!buf) return ERR_PTR(-ENOMEM); @@ -98,37 +184,40 @@ static struct regmap *gen_regmap(struct regmap_config *config, config->reg_defaults = defaults; for (i = 0; i < config->num_reg_defaults; i++) { - defaults[i].reg = i * config->reg_stride; - defaults[i].def = buf[i * config->reg_stride]; + defaults[i].reg = param->from_reg + (i * config->reg_stride); + defaults[i].def = buf[param->from_reg + (i * config->reg_stride)]; } } - ret = regmap_init_ram(config, *data); + ret = regmap_init_ram(priv->dev, config, *data); if (IS_ERR(ret)) { kfree(buf); kfree(*data); + } else { + kunit_add_action(test, regmap_exit_action, ret); } return ret; } -static bool reg_5_false(struct device *context, unsigned int reg) +static bool reg_5_false(struct device *dev, unsigned int reg) { - return reg != 5; + struct kunit *test = dev_get_drvdata(dev); + const struct regmap_test_param *param = test->param_value; + + return reg != (param->from_reg + 5); } static void basic_read_write(struct kunit *test) { - struct regcache_types *t = (struct regcache_types *)test->param_value; struct regmap *map; struct regmap_config config; struct regmap_ram_data *data; unsigned int val, rval; config = test_regmap_config; - config.cache_type = t->type; - map = gen_regmap(&config, &data); + map = gen_regmap(test, &config, &data); KUNIT_ASSERT_FALSE(test, IS_ERR(map)); if (IS_ERR(map)) return; @@ -141,14 +230,11 @@ static void basic_read_write(struct kunit *test) KUNIT_EXPECT_EQ(test, val, rval); /* If using a cache the cache satisfied the read */ - KUNIT_EXPECT_EQ(test, t->type == REGCACHE_NONE, data->read[0]); - - regmap_exit(map); + KUNIT_EXPECT_EQ(test, config.cache_type == REGCACHE_NONE, data->read[0]); } static void bulk_write(struct kunit *test) { - struct regcache_types *t = (struct regcache_types *)test->param_value; struct regmap *map; struct regmap_config config; struct regmap_ram_data *data; @@ -156,9 +242,8 @@ static void bulk_write(struct kunit *test) int i; config = test_regmap_config; - config.cache_type = t->type; - map = gen_regmap(&config, &data); + map = gen_regmap(test, &config, &data); KUNIT_ASSERT_FALSE(test, IS_ERR(map)); if (IS_ERR(map)) return; @@ -178,14 +263,11 @@ static void bulk_write(struct kunit *test) /* If using a cache the cache satisfied the read */ for (i = 0; i < BLOCK_TEST_SIZE; i++) - KUNIT_EXPECT_EQ(test, t->type == REGCACHE_NONE, data->read[i]); - - regmap_exit(map); + KUNIT_EXPECT_EQ(test, config.cache_type == REGCACHE_NONE, data->read[i]); } static void bulk_read(struct kunit *test) { - struct regcache_types *t = (struct regcache_types *)test->param_value; struct regmap *map; struct regmap_config config; struct regmap_ram_data *data; @@ -193,9 +275,8 @@ static void bulk_read(struct kunit *test) int i; config = test_regmap_config; - config.cache_type = t->type; - map = gen_regmap(&config, &data); + map = gen_regmap(test, &config, &data); KUNIT_ASSERT_FALSE(test, IS_ERR(map)); if (IS_ERR(map)) return; @@ -211,14 +292,140 @@ static void bulk_read(struct kunit *test) /* If using a cache the cache satisfied the read */ for (i = 0; i < BLOCK_TEST_SIZE; i++) - KUNIT_EXPECT_EQ(test, t->type == REGCACHE_NONE, data->read[i]); + KUNIT_EXPECT_EQ(test, config.cache_type == REGCACHE_NONE, data->read[i]); +} + +static void read_bypassed(struct kunit *test) +{ + const struct regmap_test_param *param = test->param_value; + struct regmap *map; + struct regmap_config config; + struct regmap_ram_data *data; + unsigned int val[BLOCK_TEST_SIZE], rval; + int i; + + config = test_regmap_config; + + map = gen_regmap(test, &config, &data); + KUNIT_ASSERT_FALSE(test, IS_ERR(map)); + if (IS_ERR(map)) + return; + + KUNIT_EXPECT_FALSE(test, map->cache_bypass); + + get_random_bytes(&val, sizeof(val)); + + /* Write some test values */ + KUNIT_EXPECT_EQ(test, 0, regmap_bulk_write(map, param->from_reg, val, ARRAY_SIZE(val))); + + regcache_cache_only(map, true); + + /* + * While in cache-only regmap_read_bypassed() should return the register + * value and leave the map in cache-only. + */ + for (i = 0; i < ARRAY_SIZE(val); i++) { + /* Put inverted bits in rval to prove we really read the value */ + rval = ~val[i]; + KUNIT_EXPECT_EQ(test, 0, regmap_read(map, param->from_reg + i, &rval)); + KUNIT_EXPECT_EQ(test, val[i], rval); + + rval = ~val[i]; + KUNIT_EXPECT_EQ(test, 0, regmap_read_bypassed(map, param->from_reg + i, &rval)); + KUNIT_EXPECT_EQ(test, val[i], rval); + KUNIT_EXPECT_TRUE(test, map->cache_only); + KUNIT_EXPECT_FALSE(test, map->cache_bypass); + } - regmap_exit(map); + /* + * Change the underlying register values to prove it is returning + * real values not cached values. + */ + for (i = 0; i < ARRAY_SIZE(val); i++) { + val[i] = ~val[i]; + data->vals[param->from_reg + i] = val[i]; + } + + for (i = 0; i < ARRAY_SIZE(val); i++) { + rval = ~val[i]; + KUNIT_EXPECT_EQ(test, 0, regmap_read(map, param->from_reg + i, &rval)); + KUNIT_EXPECT_NE(test, val[i], rval); + + rval = ~val[i]; + KUNIT_EXPECT_EQ(test, 0, regmap_read_bypassed(map, param->from_reg + i, &rval)); + KUNIT_EXPECT_EQ(test, val[i], rval); + KUNIT_EXPECT_TRUE(test, map->cache_only); + KUNIT_EXPECT_FALSE(test, map->cache_bypass); + } +} + +static void read_bypassed_volatile(struct kunit *test) +{ + const struct regmap_test_param *param = test->param_value; + struct regmap *map; + struct regmap_config config; + struct regmap_ram_data *data; + unsigned int val[BLOCK_TEST_SIZE], rval; + int i; + + config = test_regmap_config; + /* All registers except #5 volatile */ + config.volatile_reg = reg_5_false; + + map = gen_regmap(test, &config, &data); + KUNIT_ASSERT_FALSE(test, IS_ERR(map)); + if (IS_ERR(map)) + return; + + KUNIT_EXPECT_FALSE(test, map->cache_bypass); + + get_random_bytes(&val, sizeof(val)); + + /* Write some test values */ + KUNIT_EXPECT_EQ(test, 0, regmap_bulk_write(map, param->from_reg, val, ARRAY_SIZE(val))); + + regcache_cache_only(map, true); + + /* + * While in cache-only regmap_read_bypassed() should return the register + * value and leave the map in cache-only. + */ + for (i = 0; i < ARRAY_SIZE(val); i++) { + /* Register #5 is non-volatile so should read from cache */ + KUNIT_EXPECT_EQ(test, (i == 5) ? 0 : -EBUSY, + regmap_read(map, param->from_reg + i, &rval)); + + /* Put inverted bits in rval to prove we really read the value */ + rval = ~val[i]; + KUNIT_EXPECT_EQ(test, 0, regmap_read_bypassed(map, param->from_reg + i, &rval)); + KUNIT_EXPECT_EQ(test, val[i], rval); + KUNIT_EXPECT_TRUE(test, map->cache_only); + KUNIT_EXPECT_FALSE(test, map->cache_bypass); + } + + /* + * Change the underlying register values to prove it is returning + * real values not cached values. + */ + for (i = 0; i < ARRAY_SIZE(val); i++) { + val[i] = ~val[i]; + data->vals[param->from_reg + i] = val[i]; + } + + for (i = 0; i < ARRAY_SIZE(val); i++) { + if (i == 5) + continue; + + rval = ~val[i]; + KUNIT_EXPECT_EQ(test, 0, regmap_read_bypassed(map, param->from_reg + i, &rval)); + KUNIT_EXPECT_EQ(test, val[i], rval); + KUNIT_EXPECT_TRUE(test, map->cache_only); + KUNIT_EXPECT_FALSE(test, map->cache_bypass); + } } static void write_readonly(struct kunit *test) { - struct regcache_types *t = (struct regcache_types *)test->param_value; struct regmap *map; struct regmap_config config; struct regmap_ram_data *data; @@ -226,11 +433,10 @@ static void write_readonly(struct kunit *test) int i; config = test_regmap_config; - config.cache_type = t->type; config.num_reg_defaults = BLOCK_TEST_SIZE; config.writeable_reg = reg_5_false; - map = gen_regmap(&config, &data); + map = gen_regmap(test, &config, &data); KUNIT_ASSERT_FALSE(test, IS_ERR(map)); if (IS_ERR(map)) return; @@ -247,13 +453,10 @@ static void write_readonly(struct kunit *test) /* Did that match what we see on the device? */ for (i = 0; i < BLOCK_TEST_SIZE; i++) KUNIT_EXPECT_EQ(test, i != 5, data->written[i]); - - regmap_exit(map); } static void read_writeonly(struct kunit *test) { - struct regcache_types *t = (struct regcache_types *)test->param_value; struct regmap *map; struct regmap_config config; struct regmap_ram_data *data; @@ -261,10 +464,9 @@ static void read_writeonly(struct kunit *test) int i; config = test_regmap_config; - config.cache_type = t->type; config.readable_reg = reg_5_false; - map = gen_regmap(&config, &data); + map = gen_regmap(test, &config, &data); KUNIT_ASSERT_FALSE(test, IS_ERR(map)); if (IS_ERR(map)) return; @@ -277,7 +479,7 @@ static void read_writeonly(struct kunit *test) * fail if we aren't using the flat cache. */ for (i = 0; i < BLOCK_TEST_SIZE; i++) { - if (t->type != REGCACHE_FLAT) { + if (config.cache_type != REGCACHE_FLAT) { KUNIT_EXPECT_EQ(test, i != 5, regmap_read(map, i, &val) == 0); } else { @@ -287,13 +489,10 @@ static void read_writeonly(struct kunit *test) /* Did we trigger a hardware access? */ KUNIT_EXPECT_FALSE(test, data->read[5]); - - regmap_exit(map); } static void reg_defaults(struct kunit *test) { - struct regcache_types *t = (struct regcache_types *)test->param_value; struct regmap *map; struct regmap_config config; struct regmap_ram_data *data; @@ -301,10 +500,9 @@ static void reg_defaults(struct kunit *test) int i; config = test_regmap_config; - config.cache_type = t->type; config.num_reg_defaults = BLOCK_TEST_SIZE; - map = gen_regmap(&config, &data); + map = gen_regmap(test, &config, &data); KUNIT_ASSERT_FALSE(test, IS_ERR(map)); if (IS_ERR(map)) return; @@ -316,12 +514,11 @@ static void reg_defaults(struct kunit *test) /* The data should have been read from cache if there was one */ for (i = 0; i < BLOCK_TEST_SIZE; i++) - KUNIT_EXPECT_EQ(test, t->type == REGCACHE_NONE, data->read[i]); + KUNIT_EXPECT_EQ(test, config.cache_type == REGCACHE_NONE, data->read[i]); } static void reg_defaults_read_dev(struct kunit *test) { - struct regcache_types *t = (struct regcache_types *)test->param_value; struct regmap *map; struct regmap_config config; struct regmap_ram_data *data; @@ -329,17 +526,16 @@ static void reg_defaults_read_dev(struct kunit *test) int i; config = test_regmap_config; - config.cache_type = t->type; config.num_reg_defaults_raw = BLOCK_TEST_SIZE; - map = gen_regmap(&config, &data); + map = gen_regmap(test, &config, &data); KUNIT_ASSERT_FALSE(test, IS_ERR(map)); if (IS_ERR(map)) return; /* We should have read the cache defaults back from the map */ for (i = 0; i < BLOCK_TEST_SIZE; i++) { - KUNIT_EXPECT_EQ(test, t->type != REGCACHE_NONE, data->read[i]); + KUNIT_EXPECT_EQ(test, config.cache_type != REGCACHE_NONE, data->read[i]); data->read[i] = false; } @@ -350,12 +546,11 @@ static void reg_defaults_read_dev(struct kunit *test) /* The data should have been read from cache if there was one */ for (i = 0; i < BLOCK_TEST_SIZE; i++) - KUNIT_EXPECT_EQ(test, t->type == REGCACHE_NONE, data->read[i]); + KUNIT_EXPECT_EQ(test, config.cache_type == REGCACHE_NONE, data->read[i]); } static void register_patch(struct kunit *test) { - struct regcache_types *t = (struct regcache_types *)test->param_value; struct regmap *map; struct regmap_config config; struct regmap_ram_data *data; @@ -365,10 +560,9 @@ static void register_patch(struct kunit *test) /* We need defaults so readback works */ config = test_regmap_config; - config.cache_type = t->type; config.num_reg_defaults = BLOCK_TEST_SIZE; - map = gen_regmap(&config, &data); + map = gen_regmap(test, &config, &data); KUNIT_ASSERT_FALSE(test, IS_ERR(map)); if (IS_ERR(map)) return; @@ -401,13 +595,10 @@ static void register_patch(struct kunit *test) break; } } - - regmap_exit(map); } static void stride(struct kunit *test) { - struct regcache_types *t = (struct regcache_types *)test->param_value; struct regmap *map; struct regmap_config config; struct regmap_ram_data *data; @@ -415,16 +606,22 @@ static void stride(struct kunit *test) int i; config = test_regmap_config; - config.cache_type = t->type; config.reg_stride = 2; config.num_reg_defaults = BLOCK_TEST_SIZE / 2; - map = gen_regmap(&config, &data); + /* + * Allow one extra register so that the read/written arrays + * are sized big enough to include an entry for the odd + * address past the final reg_default register. + */ + config.max_register = BLOCK_TEST_SIZE; + + map = gen_regmap(test, &config, &data); KUNIT_ASSERT_FALSE(test, IS_ERR(map)); if (IS_ERR(map)) return; - /* Only even registers can be accessed, try both read and write */ + /* Only even addresses can be accessed, try both read and write */ for (i = 0; i < BLOCK_TEST_SIZE; i++) { data->read[i] = false; data->written[i] = false; @@ -437,15 +634,13 @@ static void stride(struct kunit *test) } else { KUNIT_EXPECT_EQ(test, 0, regmap_read(map, i, &rval)); KUNIT_EXPECT_EQ(test, data->vals[i], rval); - KUNIT_EXPECT_EQ(test, t->type == REGCACHE_NONE, + KUNIT_EXPECT_EQ(test, config.cache_type == REGCACHE_NONE, data->read[i]); KUNIT_EXPECT_EQ(test, 0, regmap_write(map, i, rval)); KUNIT_EXPECT_TRUE(test, data->written[i]); } } - - regmap_exit(map); } static struct regmap_range_cfg test_range = { @@ -481,7 +676,6 @@ static bool test_range_all_volatile(struct device *dev, unsigned int reg) static void basic_ranges(struct kunit *test) { - struct regcache_types *t = (struct regcache_types *)test->param_value; struct regmap *map; struct regmap_config config; struct regmap_ram_data *data; @@ -489,13 +683,12 @@ static void basic_ranges(struct kunit *test) int i; config = test_regmap_config; - config.cache_type = t->type; config.volatile_reg = test_range_all_volatile; config.ranges = &test_range; config.num_ranges = 1; config.max_register = test_range.range_max; - map = gen_regmap(&config, &data); + map = gen_regmap(test, &config, &data); KUNIT_ASSERT_FALSE(test, IS_ERR(map)); if (IS_ERR(map)) return; @@ -546,14 +739,11 @@ static void basic_ranges(struct kunit *test) KUNIT_EXPECT_FALSE(test, data->read[i]); KUNIT_EXPECT_FALSE(test, data->written[i]); } - - regmap_exit(map); } /* Try to stress dynamic creation of cache data structures */ static void stress_insert(struct kunit *test) { - struct regcache_types *t = (struct regcache_types *)test->param_value; struct regmap *map; struct regmap_config config; struct regmap_ram_data *data; @@ -562,10 +752,9 @@ static void stress_insert(struct kunit *test) int i; config = test_regmap_config; - config.cache_type = t->type; config.max_register = 300; - map = gen_regmap(&config, &data); + map = gen_regmap(test, &config, &data); KUNIT_ASSERT_FALSE(test, IS_ERR(map)); if (IS_ERR(map)) return; @@ -599,24 +788,21 @@ static void stress_insert(struct kunit *test) for (i = 0; i < config.max_register; i ++) { KUNIT_EXPECT_EQ(test, 0, regmap_read(map, i, &rval)); KUNIT_EXPECT_EQ(test, rval, vals[i]); - KUNIT_EXPECT_EQ(test, t->type == REGCACHE_NONE, data->read[i]); + KUNIT_EXPECT_EQ(test, config.cache_type == REGCACHE_NONE, data->read[i]); } - - regmap_exit(map); } static void cache_bypass(struct kunit *test) { - struct regcache_types *t = (struct regcache_types *)test->param_value; + const struct regmap_test_param *param = test->param_value; struct regmap *map; struct regmap_config config; struct regmap_ram_data *data; unsigned int val, rval; config = test_regmap_config; - config.cache_type = t->type; - map = gen_regmap(&config, &data); + map = gen_regmap(test, &config, &data); KUNIT_ASSERT_FALSE(test, IS_ERR(map)); if (IS_ERR(map)) return; @@ -624,28 +810,26 @@ static void cache_bypass(struct kunit *test) get_random_bytes(&val, sizeof(val)); /* Ensure the cache has a value in it */ - KUNIT_EXPECT_EQ(test, 0, regmap_write(map, 0, val)); + KUNIT_EXPECT_EQ(test, 0, regmap_write(map, param->from_reg, val)); /* Bypass then write a different value */ regcache_cache_bypass(map, true); - KUNIT_EXPECT_EQ(test, 0, regmap_write(map, 0, val + 1)); + KUNIT_EXPECT_EQ(test, 0, regmap_write(map, param->from_reg, val + 1)); /* Read the bypassed value */ - KUNIT_EXPECT_EQ(test, 0, regmap_read(map, 0, &rval)); + KUNIT_EXPECT_EQ(test, 0, regmap_read(map, param->from_reg, &rval)); KUNIT_EXPECT_EQ(test, val + 1, rval); - KUNIT_EXPECT_EQ(test, data->vals[0], rval); + KUNIT_EXPECT_EQ(test, data->vals[param->from_reg], rval); /* Disable bypass, the cache should still return the original value */ regcache_cache_bypass(map, false); - KUNIT_EXPECT_EQ(test, 0, regmap_read(map, 0, &rval)); + KUNIT_EXPECT_EQ(test, 0, regmap_read(map, param->from_reg, &rval)); KUNIT_EXPECT_EQ(test, val, rval); - - regmap_exit(map); } -static void cache_sync(struct kunit *test) +static void cache_sync_marked_dirty(struct kunit *test) { - struct regcache_types *t = (struct regcache_types *)test->param_value; + const struct regmap_test_param *param = test->param_value; struct regmap *map; struct regmap_config config; struct regmap_ram_data *data; @@ -653,9 +837,8 @@ static void cache_sync(struct kunit *test) int i; config = test_regmap_config; - config.cache_type = t->type; - map = gen_regmap(&config, &data); + map = gen_regmap(test, &config, &data); KUNIT_ASSERT_FALSE(test, IS_ERR(map)); if (IS_ERR(map)) return; @@ -663,10 +846,10 @@ static void cache_sync(struct kunit *test) get_random_bytes(&val, sizeof(val)); /* Put some data into the cache */ - KUNIT_EXPECT_EQ(test, 0, regmap_bulk_write(map, 0, val, + KUNIT_EXPECT_EQ(test, 0, regmap_bulk_write(map, param->from_reg, val, BLOCK_TEST_SIZE)); for (i = 0; i < BLOCK_TEST_SIZE; i++) - data->written[i] = false; + data->written[param->from_reg + i] = false; /* Trash the data on the device itself then resync */ regcache_mark_dirty(map); @@ -674,16 +857,63 @@ static void cache_sync(struct kunit *test) KUNIT_EXPECT_EQ(test, 0, regcache_sync(map)); /* Did we just write the correct data out? */ - KUNIT_EXPECT_MEMEQ(test, data->vals, val, sizeof(val)); + KUNIT_EXPECT_MEMEQ(test, &data->vals[param->from_reg], val, sizeof(val)); for (i = 0; i < BLOCK_TEST_SIZE; i++) - KUNIT_EXPECT_EQ(test, true, data->written[i]); + KUNIT_EXPECT_EQ(test, true, data->written[param->from_reg + i]); +} - regmap_exit(map); +static void cache_sync_after_cache_only(struct kunit *test) +{ + const struct regmap_test_param *param = test->param_value; + struct regmap *map; + struct regmap_config config; + struct regmap_ram_data *data; + unsigned int val[BLOCK_TEST_SIZE]; + unsigned int val_mask; + int i; + + config = test_regmap_config; + + map = gen_regmap(test, &config, &data); + KUNIT_ASSERT_FALSE(test, IS_ERR(map)); + if (IS_ERR(map)) + return; + + val_mask = GENMASK(config.val_bits - 1, 0); + get_random_bytes(&val, sizeof(val)); + + /* Put some data into the cache */ + KUNIT_EXPECT_EQ(test, 0, regmap_bulk_write(map, param->from_reg, val, + BLOCK_TEST_SIZE)); + for (i = 0; i < BLOCK_TEST_SIZE; i++) + data->written[param->from_reg + i] = false; + + /* Set cache-only and change the values */ + regcache_cache_only(map, true); + for (i = 0; i < ARRAY_SIZE(val); ++i) + val[i] = ~val[i] & val_mask; + + KUNIT_EXPECT_EQ(test, 0, regmap_bulk_write(map, param->from_reg, val, + BLOCK_TEST_SIZE)); + for (i = 0; i < BLOCK_TEST_SIZE; i++) + KUNIT_EXPECT_FALSE(test, data->written[param->from_reg + i]); + + KUNIT_EXPECT_MEMNEQ(test, &data->vals[param->from_reg], val, sizeof(val)); + + /* Exit cache-only and sync the cache without marking hardware registers dirty */ + regcache_cache_only(map, false); + + KUNIT_EXPECT_EQ(test, 0, regcache_sync(map)); + + /* Did we just write the correct data out? */ + KUNIT_EXPECT_MEMEQ(test, &data->vals[param->from_reg], val, sizeof(val)); + for (i = 0; i < BLOCK_TEST_SIZE; i++) + KUNIT_EXPECT_TRUE(test, data->written[param->from_reg + i]); } -static void cache_sync_defaults(struct kunit *test) +static void cache_sync_defaults_marked_dirty(struct kunit *test) { - struct regcache_types *t = (struct regcache_types *)test->param_value; + const struct regmap_test_param *param = test->param_value; struct regmap *map; struct regmap_config config; struct regmap_ram_data *data; @@ -691,10 +921,9 @@ static void cache_sync_defaults(struct kunit *test) int i; config = test_regmap_config; - config.cache_type = t->type; config.num_reg_defaults = BLOCK_TEST_SIZE; - map = gen_regmap(&config, &data); + map = gen_regmap(test, &config, &data); KUNIT_ASSERT_FALSE(test, IS_ERR(map)); if (IS_ERR(map)) return; @@ -702,24 +931,85 @@ static void cache_sync_defaults(struct kunit *test) get_random_bytes(&val, sizeof(val)); /* Change the value of one register */ - KUNIT_EXPECT_EQ(test, 0, regmap_write(map, 2, val)); + KUNIT_EXPECT_EQ(test, 0, regmap_write(map, param->from_reg + 2, val)); /* Resync */ regcache_mark_dirty(map); for (i = 0; i < BLOCK_TEST_SIZE; i++) - data->written[i] = false; + data->written[param->from_reg + i] = false; KUNIT_EXPECT_EQ(test, 0, regcache_sync(map)); /* Did we just sync the one register we touched? */ for (i = 0; i < BLOCK_TEST_SIZE; i++) - KUNIT_EXPECT_EQ(test, i == 2, data->written[i]); + KUNIT_EXPECT_EQ(test, i == 2, data->written[param->from_reg + i]); + + /* Rewrite registers back to their defaults */ + for (i = 0; i < config.num_reg_defaults; ++i) + KUNIT_EXPECT_EQ(test, 0, regmap_write(map, config.reg_defaults[i].reg, + config.reg_defaults[i].def)); + + /* + * Resync after regcache_mark_dirty() should not write out registers + * that are at default value + */ + for (i = 0; i < BLOCK_TEST_SIZE; i++) + data->written[param->from_reg + i] = false; + regcache_mark_dirty(map); + KUNIT_EXPECT_EQ(test, 0, regcache_sync(map)); + for (i = 0; i < BLOCK_TEST_SIZE; i++) + KUNIT_EXPECT_FALSE(test, data->written[param->from_reg + i]); +} + +static void cache_sync_default_after_cache_only(struct kunit *test) +{ + const struct regmap_test_param *param = test->param_value; + struct regmap *map; + struct regmap_config config; + struct regmap_ram_data *data; + unsigned int orig_val; + int i; + + config = test_regmap_config; + config.num_reg_defaults = BLOCK_TEST_SIZE; + + map = gen_regmap(test, &config, &data); + KUNIT_ASSERT_FALSE(test, IS_ERR(map)); + if (IS_ERR(map)) + return; + + KUNIT_EXPECT_EQ(test, 0, regmap_read(map, param->from_reg + 2, &orig_val)); + + /* Enter cache-only and change the value of one register */ + regcache_cache_only(map, true); + KUNIT_EXPECT_EQ(test, 0, regmap_write(map, param->from_reg + 2, orig_val + 1)); + + /* Exit cache-only and resync, should write out the changed register */ + regcache_cache_only(map, false); + for (i = 0; i < BLOCK_TEST_SIZE; i++) + data->written[param->from_reg + i] = false; + KUNIT_EXPECT_EQ(test, 0, regcache_sync(map)); - regmap_exit(map); + /* Was the register written out? */ + KUNIT_EXPECT_TRUE(test, data->written[param->from_reg + 2]); + KUNIT_EXPECT_EQ(test, data->vals[param->from_reg + 2], orig_val + 1); + + /* Enter cache-only and write register back to its default value */ + regcache_cache_only(map, true); + KUNIT_EXPECT_EQ(test, 0, regmap_write(map, param->from_reg + 2, orig_val)); + + /* Resync should write out the new value */ + regcache_cache_only(map, false); + for (i = 0; i < BLOCK_TEST_SIZE; i++) + data->written[param->from_reg + i] = false; + + KUNIT_EXPECT_EQ(test, 0, regcache_sync(map)); + KUNIT_EXPECT_TRUE(test, data->written[param->from_reg + 2]); + KUNIT_EXPECT_EQ(test, data->vals[param->from_reg + 2], orig_val); } static void cache_sync_readonly(struct kunit *test) { - struct regcache_types *t = (struct regcache_types *)test->param_value; + const struct regmap_test_param *param = test->param_value; struct regmap *map; struct regmap_config config; struct regmap_ram_data *data; @@ -727,40 +1017,37 @@ static void cache_sync_readonly(struct kunit *test) int i; config = test_regmap_config; - config.cache_type = t->type; config.writeable_reg = reg_5_false; - map = gen_regmap(&config, &data); + map = gen_regmap(test, &config, &data); KUNIT_ASSERT_FALSE(test, IS_ERR(map)); if (IS_ERR(map)) return; /* Read all registers to fill the cache */ for (i = 0; i < BLOCK_TEST_SIZE; i++) - KUNIT_EXPECT_EQ(test, 0, regmap_read(map, i, &val)); + KUNIT_EXPECT_EQ(test, 0, regmap_read(map, param->from_reg + i, &val)); /* Change the value of all registers, readonly should fail */ get_random_bytes(&val, sizeof(val)); regcache_cache_only(map, true); for (i = 0; i < BLOCK_TEST_SIZE; i++) - KUNIT_EXPECT_EQ(test, i != 5, regmap_write(map, i, val) == 0); + KUNIT_EXPECT_EQ(test, i != 5, regmap_write(map, param->from_reg + i, val) == 0); regcache_cache_only(map, false); /* Resync */ for (i = 0; i < BLOCK_TEST_SIZE; i++) - data->written[i] = false; + data->written[param->from_reg + i] = false; KUNIT_EXPECT_EQ(test, 0, regcache_sync(map)); /* Did that match what we see on the device? */ for (i = 0; i < BLOCK_TEST_SIZE; i++) - KUNIT_EXPECT_EQ(test, i != 5, data->written[i]); - - regmap_exit(map); + KUNIT_EXPECT_EQ(test, i != 5, data->written[param->from_reg + i]); } static void cache_sync_patch(struct kunit *test) { - struct regcache_types *t = (struct regcache_types *)test->param_value; + const struct regmap_test_param *param = test->param_value; struct regmap *map; struct regmap_config config; struct regmap_ram_data *data; @@ -770,23 +1057,22 @@ static void cache_sync_patch(struct kunit *test) /* We need defaults so readback works */ config = test_regmap_config; - config.cache_type = t->type; config.num_reg_defaults = BLOCK_TEST_SIZE; - map = gen_regmap(&config, &data); + map = gen_regmap(test, &config, &data); KUNIT_ASSERT_FALSE(test, IS_ERR(map)); if (IS_ERR(map)) return; /* Stash the original values */ - KUNIT_EXPECT_EQ(test, 0, regmap_bulk_read(map, 0, rval, + KUNIT_EXPECT_EQ(test, 0, regmap_bulk_read(map, param->from_reg, rval, BLOCK_TEST_SIZE)); /* Patch a couple of values */ - patch[0].reg = 2; + patch[0].reg = param->from_reg + 2; patch[0].def = rval[2] + 1; patch[0].delay_us = 0; - patch[1].reg = 5; + patch[1].reg = param->from_reg + 5; patch[1].def = rval[5] + 1; patch[1].delay_us = 0; KUNIT_EXPECT_EQ(test, 0, regmap_register_patch(map, patch, @@ -795,33 +1081,31 @@ static void cache_sync_patch(struct kunit *test) /* Sync the cache */ regcache_mark_dirty(map); for (i = 0; i < BLOCK_TEST_SIZE; i++) - data->written[i] = false; + data->written[param->from_reg + i] = false; KUNIT_EXPECT_EQ(test, 0, regcache_sync(map)); /* The patch should be on the device but not in the cache */ for (i = 0; i < BLOCK_TEST_SIZE; i++) { - KUNIT_EXPECT_EQ(test, 0, regmap_read(map, i, &val)); + KUNIT_EXPECT_EQ(test, 0, regmap_read(map, param->from_reg + i, &val)); KUNIT_EXPECT_EQ(test, val, rval[i]); switch (i) { case 2: case 5: - KUNIT_EXPECT_EQ(test, true, data->written[i]); - KUNIT_EXPECT_EQ(test, data->vals[i], rval[i] + 1); + KUNIT_EXPECT_EQ(test, true, data->written[param->from_reg + i]); + KUNIT_EXPECT_EQ(test, data->vals[param->from_reg + i], rval[i] + 1); break; default: - KUNIT_EXPECT_EQ(test, false, data->written[i]); - KUNIT_EXPECT_EQ(test, data->vals[i], rval[i]); + KUNIT_EXPECT_EQ(test, false, data->written[param->from_reg + i]); + KUNIT_EXPECT_EQ(test, data->vals[param->from_reg + i], rval[i]); break; } } - - regmap_exit(map); } static void cache_drop(struct kunit *test) { - struct regcache_types *t = (struct regcache_types *)test->param_value; + const struct regmap_test_param *param = test->param_value; struct regmap *map; struct regmap_config config; struct regmap_ram_data *data; @@ -829,41 +1113,267 @@ static void cache_drop(struct kunit *test) int i; config = test_regmap_config; - config.cache_type = t->type; config.num_reg_defaults = BLOCK_TEST_SIZE; - map = gen_regmap(&config, &data); + map = gen_regmap(test, &config, &data); KUNIT_ASSERT_FALSE(test, IS_ERR(map)); if (IS_ERR(map)) return; /* Ensure the data is read from the cache */ for (i = 0; i < BLOCK_TEST_SIZE; i++) - data->read[i] = false; - KUNIT_EXPECT_EQ(test, 0, regmap_bulk_read(map, 0, rval, + data->read[param->from_reg + i] = false; + KUNIT_EXPECT_EQ(test, 0, regmap_bulk_read(map, param->from_reg, rval, BLOCK_TEST_SIZE)); for (i = 0; i < BLOCK_TEST_SIZE; i++) { - KUNIT_EXPECT_FALSE(test, data->read[i]); - data->read[i] = false; + KUNIT_EXPECT_FALSE(test, data->read[param->from_reg + i]); + data->read[param->from_reg + i] = false; } - KUNIT_EXPECT_MEMEQ(test, data->vals, rval, sizeof(rval)); + KUNIT_EXPECT_MEMEQ(test, &data->vals[param->from_reg], rval, sizeof(rval)); /* Drop some registers */ - KUNIT_EXPECT_EQ(test, 0, regcache_drop_region(map, 3, 5)); + KUNIT_EXPECT_EQ(test, 0, regcache_drop_region(map, param->from_reg + 3, + param->from_reg + 5)); /* Reread and check only the dropped registers hit the device. */ - KUNIT_EXPECT_EQ(test, 0, regmap_bulk_read(map, 0, rval, + KUNIT_EXPECT_EQ(test, 0, regmap_bulk_read(map, param->from_reg, rval, BLOCK_TEST_SIZE)); for (i = 0; i < BLOCK_TEST_SIZE; i++) - KUNIT_EXPECT_EQ(test, data->read[i], i >= 3 && i <= 5); - KUNIT_EXPECT_MEMEQ(test, data->vals, rval, sizeof(rval)); + KUNIT_EXPECT_EQ(test, data->read[param->from_reg + i], i >= 3 && i <= 5); + KUNIT_EXPECT_MEMEQ(test, &data->vals[param->from_reg], rval, sizeof(rval)); +} + +static void cache_drop_with_non_contiguous_ranges(struct kunit *test) +{ + const struct regmap_test_param *param = test->param_value; + struct regmap *map; + struct regmap_config config; + struct regmap_ram_data *data; + unsigned int val[4][BLOCK_TEST_SIZE]; + unsigned int reg; + const int num_ranges = ARRAY_SIZE(val) * 2; + int rangeidx, i; + + static_assert(ARRAY_SIZE(val) == 4); + + config = test_regmap_config; + config.max_register = param->from_reg + (num_ranges * BLOCK_TEST_SIZE); + + map = gen_regmap(test, &config, &data); + KUNIT_ASSERT_FALSE(test, IS_ERR(map)); + if (IS_ERR(map)) + return; + + for (i = 0; i < config.max_register + 1; i++) + data->written[i] = false; + + /* Create non-contiguous cache blocks by writing every other range */ + get_random_bytes(&val, sizeof(val)); + for (rangeidx = 0; rangeidx < num_ranges; rangeidx += 2) { + reg = param->from_reg + (rangeidx * BLOCK_TEST_SIZE); + KUNIT_EXPECT_EQ(test, 0, regmap_bulk_write(map, reg, + &val[rangeidx / 2], + BLOCK_TEST_SIZE)); + KUNIT_EXPECT_MEMEQ(test, &data->vals[reg], + &val[rangeidx / 2], sizeof(val[rangeidx / 2])); + } + + /* Check that odd ranges weren't written */ + for (rangeidx = 1; rangeidx < num_ranges; rangeidx += 2) { + reg = param->from_reg + (rangeidx * BLOCK_TEST_SIZE); + for (i = 0; i < BLOCK_TEST_SIZE; i++) + KUNIT_EXPECT_FALSE(test, data->written[reg + i]); + } + + /* Drop range 2 */ + reg = param->from_reg + (2 * BLOCK_TEST_SIZE); + KUNIT_EXPECT_EQ(test, 0, regcache_drop_region(map, reg, reg + BLOCK_TEST_SIZE - 1)); + + /* Drop part of range 4 */ + reg = param->from_reg + (4 * BLOCK_TEST_SIZE); + KUNIT_EXPECT_EQ(test, 0, regcache_drop_region(map, reg + 3, reg + 5)); + + /* Mark dirty and reset mock registers to 0 */ + regcache_mark_dirty(map); + for (i = 0; i < config.max_register + 1; i++) { + data->vals[i] = 0; + data->written[i] = false; + } + + /* The registers that were dropped from range 4 should now remain at 0 */ + val[4 / 2][3] = 0; + val[4 / 2][4] = 0; + val[4 / 2][5] = 0; + + /* Sync and check that the expected register ranges were written */ + KUNIT_EXPECT_EQ(test, 0, regcache_sync(map)); + + /* Check that odd ranges weren't written */ + for (rangeidx = 1; rangeidx < num_ranges; rangeidx += 2) { + reg = param->from_reg + (rangeidx * BLOCK_TEST_SIZE); + for (i = 0; i < BLOCK_TEST_SIZE; i++) + KUNIT_EXPECT_FALSE(test, data->written[reg + i]); + } + + /* Check that even ranges (except 2 and 4) were written */ + for (rangeidx = 0; rangeidx < num_ranges; rangeidx += 2) { + if ((rangeidx == 2) || (rangeidx == 4)) + continue; + + reg = param->from_reg + (rangeidx * BLOCK_TEST_SIZE); + for (i = 0; i < BLOCK_TEST_SIZE; i++) + KUNIT_EXPECT_TRUE(test, data->written[reg + i]); + + KUNIT_EXPECT_MEMEQ(test, &data->vals[reg], + &val[rangeidx / 2], sizeof(val[rangeidx / 2])); + } + + /* Check that range 2 wasn't written */ + reg = param->from_reg + (2 * BLOCK_TEST_SIZE); + for (i = 0; i < BLOCK_TEST_SIZE; i++) + KUNIT_EXPECT_FALSE(test, data->written[reg + i]); + + /* Check that range 4 was partially written */ + reg = param->from_reg + (4 * BLOCK_TEST_SIZE); + for (i = 0; i < BLOCK_TEST_SIZE; i++) + KUNIT_EXPECT_EQ(test, data->written[reg + i], i < 3 || i > 5); - regmap_exit(map); + KUNIT_EXPECT_MEMEQ(test, &data->vals[reg], &val[4 / 2], sizeof(val[4 / 2])); + + /* Nothing before param->from_reg should have been written */ + for (i = 0; i < param->from_reg; i++) + KUNIT_EXPECT_FALSE(test, data->written[i]); +} + +static void cache_drop_all_and_sync_marked_dirty(struct kunit *test) +{ + const struct regmap_test_param *param = test->param_value; + struct regmap *map; + struct regmap_config config; + struct regmap_ram_data *data; + unsigned int rval[BLOCK_TEST_SIZE]; + int i; + + config = test_regmap_config; + config.num_reg_defaults = BLOCK_TEST_SIZE; + + map = gen_regmap(test, &config, &data); + KUNIT_ASSERT_FALSE(test, IS_ERR(map)); + if (IS_ERR(map)) + return; + + /* Ensure the data is read from the cache */ + for (i = 0; i < BLOCK_TEST_SIZE; i++) + data->read[param->from_reg + i] = false; + KUNIT_EXPECT_EQ(test, 0, regmap_bulk_read(map, param->from_reg, rval, + BLOCK_TEST_SIZE)); + KUNIT_EXPECT_MEMEQ(test, &data->vals[param->from_reg], rval, sizeof(rval)); + + /* Change all values in cache from defaults */ + for (i = 0; i < BLOCK_TEST_SIZE; i++) + KUNIT_EXPECT_EQ(test, 0, regmap_write(map, param->from_reg + i, rval[i] + 1)); + + /* Drop all registers */ + KUNIT_EXPECT_EQ(test, 0, regcache_drop_region(map, 0, config.max_register)); + + /* Mark dirty and cache sync should not write anything. */ + regcache_mark_dirty(map); + for (i = 0; i < BLOCK_TEST_SIZE; i++) + data->written[param->from_reg + i] = false; + + KUNIT_EXPECT_EQ(test, 0, regcache_sync(map)); + for (i = 0; i <= config.max_register; i++) + KUNIT_EXPECT_FALSE(test, data->written[i]); +} + +static void cache_drop_all_and_sync_no_defaults(struct kunit *test) +{ + const struct regmap_test_param *param = test->param_value; + struct regmap *map; + struct regmap_config config; + struct regmap_ram_data *data; + unsigned int rval[BLOCK_TEST_SIZE]; + int i; + + config = test_regmap_config; + + map = gen_regmap(test, &config, &data); + KUNIT_ASSERT_FALSE(test, IS_ERR(map)); + if (IS_ERR(map)) + return; + + /* Ensure the data is read from the cache */ + for (i = 0; i < BLOCK_TEST_SIZE; i++) + data->read[param->from_reg + i] = false; + KUNIT_EXPECT_EQ(test, 0, regmap_bulk_read(map, param->from_reg, rval, + BLOCK_TEST_SIZE)); + KUNIT_EXPECT_MEMEQ(test, &data->vals[param->from_reg], rval, sizeof(rval)); + + /* Change all values in cache */ + for (i = 0; i < BLOCK_TEST_SIZE; i++) + KUNIT_EXPECT_EQ(test, 0, regmap_write(map, param->from_reg + i, rval[i] + 1)); + + /* Drop all registers */ + KUNIT_EXPECT_EQ(test, 0, regcache_drop_region(map, 0, config.max_register)); + + /* + * Sync cache without marking it dirty. All registers were dropped + * so the cache should not have any entries to write out. + */ + for (i = 0; i < BLOCK_TEST_SIZE; i++) + data->written[param->from_reg + i] = false; + + KUNIT_EXPECT_EQ(test, 0, regcache_sync(map)); + for (i = 0; i <= config.max_register; i++) + KUNIT_EXPECT_FALSE(test, data->written[i]); +} + +static void cache_drop_all_and_sync_has_defaults(struct kunit *test) +{ + const struct regmap_test_param *param = test->param_value; + struct regmap *map; + struct regmap_config config; + struct regmap_ram_data *data; + unsigned int rval[BLOCK_TEST_SIZE]; + int i; + + config = test_regmap_config; + config.num_reg_defaults = BLOCK_TEST_SIZE; + + map = gen_regmap(test, &config, &data); + KUNIT_ASSERT_FALSE(test, IS_ERR(map)); + if (IS_ERR(map)) + return; + + /* Ensure the data is read from the cache */ + for (i = 0; i < BLOCK_TEST_SIZE; i++) + data->read[param->from_reg + i] = false; + KUNIT_EXPECT_EQ(test, 0, regmap_bulk_read(map, param->from_reg, rval, + BLOCK_TEST_SIZE)); + KUNIT_EXPECT_MEMEQ(test, &data->vals[param->from_reg], rval, sizeof(rval)); + + /* Change all values in cache from defaults */ + for (i = 0; i < BLOCK_TEST_SIZE; i++) + KUNIT_EXPECT_EQ(test, 0, regmap_write(map, param->from_reg + i, rval[i] + 1)); + + /* Drop all registers */ + KUNIT_EXPECT_EQ(test, 0, regcache_drop_region(map, 0, config.max_register)); + + /* + * Sync cache without marking it dirty. All registers were dropped + * so the cache should not have any entries to write out. + */ + for (i = 0; i < BLOCK_TEST_SIZE; i++) + data->written[param->from_reg + i] = false; + + KUNIT_EXPECT_EQ(test, 0, regcache_sync(map)); + for (i = 0; i <= config.max_register; i++) + KUNIT_EXPECT_FALSE(test, data->written[i]); } static void cache_present(struct kunit *test) { - struct regcache_types *t = (struct regcache_types *)test->param_value; + const struct regmap_test_param *param = test->param_value; struct regmap *map; struct regmap_config config; struct regmap_ram_data *data; @@ -871,39 +1381,35 @@ static void cache_present(struct kunit *test) int i; config = test_regmap_config; - config.cache_type = t->type; - map = gen_regmap(&config, &data); + map = gen_regmap(test, &config, &data); KUNIT_ASSERT_FALSE(test, IS_ERR(map)); if (IS_ERR(map)) return; for (i = 0; i < BLOCK_TEST_SIZE; i++) - data->read[i] = false; + data->read[param->from_reg + i] = false; /* No defaults so no registers cached. */ for (i = 0; i < BLOCK_TEST_SIZE; i++) - KUNIT_ASSERT_FALSE(test, regcache_reg_cached(map, i)); + KUNIT_ASSERT_FALSE(test, regcache_reg_cached(map, param->from_reg + i)); /* We didn't trigger any reads */ for (i = 0; i < BLOCK_TEST_SIZE; i++) - KUNIT_ASSERT_FALSE(test, data->read[i]); + KUNIT_ASSERT_FALSE(test, data->read[param->from_reg + i]); /* Fill the cache */ for (i = 0; i < BLOCK_TEST_SIZE; i++) - KUNIT_EXPECT_EQ(test, 0, regmap_read(map, i, &val)); + KUNIT_EXPECT_EQ(test, 0, regmap_read(map, param->from_reg + i, &val)); /* Now everything should be cached */ for (i = 0; i < BLOCK_TEST_SIZE; i++) - KUNIT_ASSERT_TRUE(test, regcache_reg_cached(map, i)); - - regmap_exit(map); + KUNIT_ASSERT_TRUE(test, regcache_reg_cached(map, param->from_reg + i)); } /* Check that caching the window register works with sync */ static void cache_range_window_reg(struct kunit *test) { - struct regcache_types *t = (struct regcache_types *)test->param_value; struct regmap *map; struct regmap_config config; struct regmap_ram_data *data; @@ -911,13 +1417,12 @@ static void cache_range_window_reg(struct kunit *test) int i; config = test_regmap_config; - config.cache_type = t->type; config.volatile_reg = test_range_window_volatile; config.ranges = &test_range; config.num_ranges = 1; config.max_register = test_range.range_max; - map = gen_regmap(&config, &data); + map = gen_regmap(test, &config, &data); KUNIT_ASSERT_FALSE(test, IS_ERR(map)); if (IS_ERR(map)) return; @@ -953,41 +1458,29 @@ static void cache_range_window_reg(struct kunit *test) KUNIT_ASSERT_EQ(test, val, 2); } -struct raw_test_types { - const char *name; - - enum regcache_type cache_type; - enum regmap_endian val_endian; -}; - -static void raw_to_desc(const struct raw_test_types *t, char *desc) -{ - strcpy(desc, t->name); -} - -static const struct raw_test_types raw_types_list[] = { - { "none-little", REGCACHE_NONE, REGMAP_ENDIAN_LITTLE }, - { "none-big", REGCACHE_NONE, REGMAP_ENDIAN_BIG }, - { "flat-little", REGCACHE_FLAT, REGMAP_ENDIAN_LITTLE }, - { "flat-big", REGCACHE_FLAT, REGMAP_ENDIAN_BIG }, - { "rbtree-little", REGCACHE_RBTREE, REGMAP_ENDIAN_LITTLE }, - { "rbtree-big", REGCACHE_RBTREE, REGMAP_ENDIAN_BIG }, - { "maple-little", REGCACHE_MAPLE, REGMAP_ENDIAN_LITTLE }, - { "maple-big", REGCACHE_MAPLE, REGMAP_ENDIAN_BIG }, +static const struct regmap_test_param raw_types_list[] = { + { .cache = REGCACHE_NONE, .val_endian = REGMAP_ENDIAN_LITTLE }, + { .cache = REGCACHE_NONE, .val_endian = REGMAP_ENDIAN_BIG }, + { .cache = REGCACHE_FLAT, .val_endian = REGMAP_ENDIAN_LITTLE }, + { .cache = REGCACHE_FLAT, .val_endian = REGMAP_ENDIAN_BIG }, + { .cache = REGCACHE_RBTREE, .val_endian = REGMAP_ENDIAN_LITTLE }, + { .cache = REGCACHE_RBTREE, .val_endian = REGMAP_ENDIAN_BIG }, + { .cache = REGCACHE_MAPLE, .val_endian = REGMAP_ENDIAN_LITTLE }, + { .cache = REGCACHE_MAPLE, .val_endian = REGMAP_ENDIAN_BIG }, }; -KUNIT_ARRAY_PARAM(raw_test_types, raw_types_list, raw_to_desc); +KUNIT_ARRAY_PARAM(raw_test_types, raw_types_list, param_to_desc); -static const struct raw_test_types raw_cache_types_list[] = { - { "flat-little", REGCACHE_FLAT, REGMAP_ENDIAN_LITTLE }, - { "flat-big", REGCACHE_FLAT, REGMAP_ENDIAN_BIG }, - { "rbtree-little", REGCACHE_RBTREE, REGMAP_ENDIAN_LITTLE }, - { "rbtree-big", REGCACHE_RBTREE, REGMAP_ENDIAN_BIG }, - { "maple-little", REGCACHE_MAPLE, REGMAP_ENDIAN_LITTLE }, - { "maple-big", REGCACHE_MAPLE, REGMAP_ENDIAN_BIG }, +static const struct regmap_test_param raw_cache_types_list[] = { + { .cache = REGCACHE_FLAT, .val_endian = REGMAP_ENDIAN_LITTLE }, + { .cache = REGCACHE_FLAT, .val_endian = REGMAP_ENDIAN_BIG }, + { .cache = REGCACHE_RBTREE, .val_endian = REGMAP_ENDIAN_LITTLE }, + { .cache = REGCACHE_RBTREE, .val_endian = REGMAP_ENDIAN_BIG }, + { .cache = REGCACHE_MAPLE, .val_endian = REGMAP_ENDIAN_LITTLE }, + { .cache = REGCACHE_MAPLE, .val_endian = REGMAP_ENDIAN_BIG }, }; -KUNIT_ARRAY_PARAM(raw_test_cache_types, raw_cache_types_list, raw_to_desc); +KUNIT_ARRAY_PARAM(raw_test_cache_types, raw_cache_types_list, param_to_desc); static const struct regmap_config raw_regmap_config = { .max_register = BLOCK_TEST_SIZE, @@ -997,18 +1490,20 @@ static const struct regmap_config raw_regmap_config = { .val_bits = 16, }; -static struct regmap *gen_raw_regmap(struct regmap_config *config, - struct raw_test_types *test_type, +static struct regmap *gen_raw_regmap(struct kunit *test, + struct regmap_config *config, struct regmap_ram_data **data) { + struct regmap_test_priv *priv = test->priv; + const struct regmap_test_param *param = test->param_value; u16 *buf; struct regmap *ret; size_t size = (config->max_register + 1) * config->reg_bits / 8; int i; struct reg_default *defaults; - config->cache_type = test_type->cache_type; - config->val_format_endian = test_type->val_endian; + config->cache_type = param->cache; + config->val_format_endian = param->val_endian; config->disable_locking = config->cache_type == REGCACHE_RBTREE || config->cache_type == REGCACHE_MAPLE; @@ -1033,7 +1528,7 @@ static struct regmap *gen_raw_regmap(struct regmap_config *config, for (i = 0; i < config->num_reg_defaults; i++) { defaults[i].reg = i; - switch (test_type->val_endian) { + switch (param->val_endian) { case REGMAP_ENDIAN_LITTLE: defaults[i].def = le16_to_cpu(buf[i]); break; @@ -1052,10 +1547,12 @@ static struct regmap *gen_raw_regmap(struct regmap_config *config, if (config->cache_type == REGCACHE_NONE) config->num_reg_defaults = 0; - ret = regmap_init_raw_ram(config, *data); + ret = regmap_init_raw_ram(priv->dev, config, *data); if (IS_ERR(ret)) { kfree(buf); kfree(*data); + } else { + kunit_add_action(test, regmap_exit_action, ret); } return ret; @@ -1063,7 +1560,6 @@ static struct regmap *gen_raw_regmap(struct regmap_config *config, static void raw_read_defaults_single(struct kunit *test) { - struct raw_test_types *t = (struct raw_test_types *)test->param_value; struct regmap *map; struct regmap_config config; struct regmap_ram_data *data; @@ -1072,7 +1568,7 @@ static void raw_read_defaults_single(struct kunit *test) config = raw_regmap_config; - map = gen_raw_regmap(&config, t, &data); + map = gen_raw_regmap(test, &config, &data); KUNIT_ASSERT_FALSE(test, IS_ERR(map)); if (IS_ERR(map)) return; @@ -1082,13 +1578,10 @@ static void raw_read_defaults_single(struct kunit *test) KUNIT_EXPECT_EQ(test, 0, regmap_read(map, i, &rval)); KUNIT_EXPECT_EQ(test, config.reg_defaults[i].def, rval); } - - regmap_exit(map); } static void raw_read_defaults(struct kunit *test) { - struct raw_test_types *t = (struct raw_test_types *)test->param_value; struct regmap *map; struct regmap_config config; struct regmap_ram_data *data; @@ -1099,35 +1592,31 @@ static void raw_read_defaults(struct kunit *test) config = raw_regmap_config; - map = gen_raw_regmap(&config, t, &data); + map = gen_raw_regmap(test, &config, &data); KUNIT_ASSERT_FALSE(test, IS_ERR(map)); if (IS_ERR(map)) return; val_len = sizeof(*rval) * (config.max_register + 1); - rval = kmalloc(val_len, GFP_KERNEL); + rval = kunit_kmalloc(test, val_len, GFP_KERNEL); KUNIT_ASSERT_TRUE(test, rval != NULL); if (!rval) return; - + /* Check that we can read the defaults via the API */ KUNIT_EXPECT_EQ(test, 0, regmap_raw_read(map, 0, rval, val_len)); for (i = 0; i < config.max_register + 1; i++) { def = config.reg_defaults[i].def; if (config.val_format_endian == REGMAP_ENDIAN_BIG) { - KUNIT_EXPECT_EQ(test, def, be16_to_cpu(rval[i])); + KUNIT_EXPECT_EQ(test, def, be16_to_cpu((__force __be16)rval[i])); } else { - KUNIT_EXPECT_EQ(test, def, le16_to_cpu(rval[i])); + KUNIT_EXPECT_EQ(test, def, le16_to_cpu((__force __le16)rval[i])); } } - - kfree(rval); - regmap_exit(map); } static void raw_write_read_single(struct kunit *test) { - struct raw_test_types *t = (struct raw_test_types *)test->param_value; struct regmap *map; struct regmap_config config; struct regmap_ram_data *data; @@ -1136,7 +1625,7 @@ static void raw_write_read_single(struct kunit *test) config = raw_regmap_config; - map = gen_raw_regmap(&config, t, &data); + map = gen_raw_regmap(test, &config, &data); KUNIT_ASSERT_FALSE(test, IS_ERR(map)); if (IS_ERR(map)) return; @@ -1147,13 +1636,10 @@ static void raw_write_read_single(struct kunit *test) KUNIT_EXPECT_EQ(test, 0, regmap_write(map, 0, val)); KUNIT_EXPECT_EQ(test, 0, regmap_read(map, 0, &rval)); KUNIT_EXPECT_EQ(test, val, rval); - - regmap_exit(map); } static void raw_write(struct kunit *test) { - struct raw_test_types *t = (struct raw_test_types *)test->param_value; struct regmap *map; struct regmap_config config; struct regmap_ram_data *data; @@ -1164,7 +1650,7 @@ static void raw_write(struct kunit *test) config = raw_regmap_config; - map = gen_raw_regmap(&config, t, &data); + map = gen_raw_regmap(test, &config, &data); KUNIT_ASSERT_FALSE(test, IS_ERR(map)); if (IS_ERR(map)) return; @@ -1185,10 +1671,10 @@ static void raw_write(struct kunit *test) case 3: if (config.val_format_endian == REGMAP_ENDIAN_BIG) { KUNIT_EXPECT_EQ(test, rval, - be16_to_cpu(val[i % 2])); + be16_to_cpu((__force __be16)val[i % 2])); } else { KUNIT_EXPECT_EQ(test, rval, - le16_to_cpu(val[i % 2])); + le16_to_cpu((__force __le16)val[i % 2])); } break; default: @@ -1199,8 +1685,6 @@ static void raw_write(struct kunit *test) /* The values should appear in the "hardware" */ KUNIT_EXPECT_MEMEQ(test, &hw_buf[2], val, sizeof(val)); - - regmap_exit(map); } static bool reg_zero(struct device *dev, unsigned int reg) @@ -1215,7 +1699,6 @@ static bool ram_reg_zero(struct regmap_ram_data *data, unsigned int reg) static void raw_noinc_write(struct kunit *test) { - struct raw_test_types *t = (struct raw_test_types *)test->param_value; struct regmap *map; struct regmap_config config; struct regmap_ram_data *data; @@ -1228,7 +1711,7 @@ static void raw_noinc_write(struct kunit *test) config.writeable_noinc_reg = reg_zero; config.readable_noinc_reg = reg_zero; - map = gen_raw_regmap(&config, t, &data); + map = gen_raw_regmap(test, &config, &data); KUNIT_ASSERT_FALSE(test, IS_ERR(map)); if (IS_ERR(map)) return; @@ -1259,13 +1742,10 @@ static void raw_noinc_write(struct kunit *test) /* Make sure we didn't touch the register after the noinc register */ KUNIT_EXPECT_EQ(test, 0, regmap_read(map, 1, &val)); KUNIT_ASSERT_EQ(test, val_test, val); - - regmap_exit(map); } static void raw_sync(struct kunit *test) { - struct raw_test_types *t = (struct raw_test_types *)test->param_value; struct regmap *map; struct regmap_config config; struct regmap_ram_data *data; @@ -1276,7 +1756,7 @@ static void raw_sync(struct kunit *test) config = raw_regmap_config; - map = gen_raw_regmap(&config, t, &data); + map = gen_raw_regmap(test, &config, &data); KUNIT_ASSERT_FALSE(test, IS_ERR(map)); if (IS_ERR(map)) return; @@ -1300,10 +1780,10 @@ static void raw_sync(struct kunit *test) case 3: if (config.val_format_endian == REGMAP_ENDIAN_BIG) { KUNIT_EXPECT_EQ(test, rval, - be16_to_cpu(val[i - 2])); + be16_to_cpu((__force __be16)val[i - 2])); } else { KUNIT_EXPECT_EQ(test, rval, - le16_to_cpu(val[i - 2])); + le16_to_cpu((__force __le16)val[i - 2])); } break; case 4: @@ -1323,7 +1803,7 @@ static void raw_sync(struct kunit *test) val[2] = cpu_to_be16(val[2]); else val[2] = cpu_to_le16(val[2]); - + /* The values should not appear in the "hardware" */ KUNIT_EXPECT_MEMNEQ(test, &hw_buf[2], &val[0], sizeof(val)); @@ -1337,13 +1817,10 @@ static void raw_sync(struct kunit *test) /* The values should now appear in the "hardware" */ KUNIT_EXPECT_MEMEQ(test, &hw_buf[2], &val[0], sizeof(val)); - - regmap_exit(map); } static void raw_ranges(struct kunit *test) { - struct raw_test_types *t = (struct raw_test_types *)test->param_value; struct regmap *map; struct regmap_config config; struct regmap_ram_data *data; @@ -1356,7 +1833,7 @@ static void raw_ranges(struct kunit *test) config.num_ranges = 1; config.max_register = test_range.range_max; - map = gen_raw_regmap(&config, t, &data); + map = gen_raw_regmap(test, &config, &data); KUNIT_ASSERT_FALSE(test, IS_ERR(map)); if (IS_ERR(map)) return; @@ -1402,12 +1879,12 @@ static void raw_ranges(struct kunit *test) KUNIT_EXPECT_FALSE(test, data->read[i]); KUNIT_EXPECT_FALSE(test, data->written[i]); } - - regmap_exit(map); } static struct kunit_case regmap_test_cases[] = { KUNIT_CASE_PARAM(basic_read_write, regcache_types_gen_params), + KUNIT_CASE_PARAM(read_bypassed, real_cache_types_gen_params), + KUNIT_CASE_PARAM(read_bypassed_volatile, real_cache_types_gen_params), KUNIT_CASE_PARAM(bulk_write, regcache_types_gen_params), KUNIT_CASE_PARAM(bulk_read, regcache_types_gen_params), KUNIT_CASE_PARAM(write_readonly, regcache_types_gen_params), @@ -1419,13 +1896,19 @@ static struct kunit_case regmap_test_cases[] = { KUNIT_CASE_PARAM(basic_ranges, regcache_types_gen_params), KUNIT_CASE_PARAM(stress_insert, regcache_types_gen_params), KUNIT_CASE_PARAM(cache_bypass, real_cache_types_gen_params), - KUNIT_CASE_PARAM(cache_sync, real_cache_types_gen_params), - KUNIT_CASE_PARAM(cache_sync_defaults, real_cache_types_gen_params), + KUNIT_CASE_PARAM(cache_sync_marked_dirty, real_cache_types_gen_params), + KUNIT_CASE_PARAM(cache_sync_after_cache_only, real_cache_types_gen_params), + KUNIT_CASE_PARAM(cache_sync_defaults_marked_dirty, real_cache_types_gen_params), + KUNIT_CASE_PARAM(cache_sync_default_after_cache_only, real_cache_types_gen_params), KUNIT_CASE_PARAM(cache_sync_readonly, real_cache_types_gen_params), KUNIT_CASE_PARAM(cache_sync_patch, real_cache_types_gen_params), KUNIT_CASE_PARAM(cache_drop, sparse_cache_types_gen_params), + KUNIT_CASE_PARAM(cache_drop_with_non_contiguous_ranges, sparse_cache_types_gen_params), + KUNIT_CASE_PARAM(cache_drop_all_and_sync_marked_dirty, sparse_cache_types_gen_params), + KUNIT_CASE_PARAM(cache_drop_all_and_sync_no_defaults, sparse_cache_types_gen_params), + KUNIT_CASE_PARAM(cache_drop_all_and_sync_has_defaults, sparse_cache_types_gen_params), KUNIT_CASE_PARAM(cache_present, sparse_cache_types_gen_params), - KUNIT_CASE_PARAM(cache_range_window_reg, real_cache_types_gen_params), + KUNIT_CASE_PARAM(cache_range_window_reg, real_cache_types_only_gen_params), KUNIT_CASE_PARAM(raw_read_defaults_single, raw_test_types_gen_params), KUNIT_CASE_PARAM(raw_read_defaults, raw_test_types_gen_params), @@ -1437,8 +1920,40 @@ static struct kunit_case regmap_test_cases[] = { {} }; +static int regmap_test_init(struct kunit *test) +{ + struct regmap_test_priv *priv; + struct device *dev; + + priv = kunit_kzalloc(test, sizeof(*priv), GFP_KERNEL); + if (!priv) + return -ENOMEM; + + test->priv = priv; + + dev = kunit_device_register(test, "regmap_test"); + if (IS_ERR(dev)) + return PTR_ERR(dev); + + priv->dev = get_device(dev); + dev_set_drvdata(dev, test); + + return 0; +} + +static void regmap_test_exit(struct kunit *test) +{ + struct regmap_test_priv *priv = test->priv; + + /* Destroy the dummy struct device */ + if (priv && priv->dev) + put_device(priv->dev); +} + static struct kunit_suite regmap_test_suite = { .name = "regmap", + .init = regmap_test_init, + .exit = regmap_test_exit, .test_cases = regmap_test_cases, }; kunit_test_suite(regmap_test_suite); diff --git a/drivers/base/regmap/regmap-mdio.c b/drivers/base/regmap/regmap-mdio.c index 6aa6a24094..9573bf3b52 100644 --- a/drivers/base/regmap/regmap-mdio.c +++ b/drivers/base/regmap/regmap-mdio.c @@ -117,5 +117,5 @@ struct regmap *__devm_regmap_init_mdio(struct mdio_device *mdio_dev, EXPORT_SYMBOL_GPL(__devm_regmap_init_mdio); MODULE_AUTHOR("Sander Vanheule "); -MODULE_DESCRIPTION("Regmap MDIO Module"); +MODULE_DESCRIPTION("regmap MDIO Module"); MODULE_LICENSE("GPL v2"); diff --git a/drivers/base/regmap/regmap-ram.c b/drivers/base/regmap/regmap-ram.c index 192d6b131d..5b4cbf982a 100644 --- a/drivers/base/regmap/regmap-ram.c +++ b/drivers/base/regmap/regmap-ram.c @@ -53,7 +53,8 @@ static const struct regmap_bus regmap_ram = { .free_context = regmap_ram_free_context, }; -struct regmap *__regmap_init_ram(const struct regmap_config *config, +struct regmap *__regmap_init_ram(struct device *dev, + const struct regmap_config *config, struct regmap_ram_data *data, struct lock_class_key *lock_key, const char *lock_name) @@ -75,7 +76,7 @@ struct regmap *__regmap_init_ram(const struct regmap_config *config, if (!data->written) return ERR_PTR(-ENOMEM); - map = __regmap_init(NULL, ®map_ram, data, config, + map = __regmap_init(dev, ®map_ram, data, config, lock_key, lock_name); return map; diff --git a/drivers/base/regmap/regmap-raw-ram.c b/drivers/base/regmap/regmap-raw-ram.c index 93ae07b503..69eabfb89e 100644 --- a/drivers/base/regmap/regmap-raw-ram.c +++ b/drivers/base/regmap/regmap-raw-ram.c @@ -107,7 +107,8 @@ static const struct regmap_bus regmap_raw_ram = { .free_context = regmap_raw_ram_free_context, }; -struct regmap *__regmap_init_raw_ram(const struct regmap_config *config, +struct regmap *__regmap_init_raw_ram(struct device *dev, + const struct regmap_config *config, struct regmap_ram_data *data, struct lock_class_key *lock_key, const char *lock_name) @@ -134,7 +135,7 @@ struct regmap *__regmap_init_raw_ram(const struct regmap_config *config, data->reg_endian = config->reg_format_endian; - map = __regmap_init(NULL, ®map_raw_ram, data, config, + map = __regmap_init(dev, ®map_raw_ram, data, config, lock_key, lock_name); return map; diff --git a/drivers/base/regmap/regmap-sdw-mbq.c b/drivers/base/regmap/regmap-sdw-mbq.c index 388c3a087b..c99eada837 100644 --- a/drivers/base/regmap/regmap-sdw-mbq.c +++ b/drivers/base/regmap/regmap-sdw-mbq.c @@ -97,5 +97,5 @@ struct regmap *__devm_regmap_init_sdw_mbq(struct sdw_slave *sdw, } EXPORT_SYMBOL_GPL(__devm_regmap_init_sdw_mbq); -MODULE_DESCRIPTION("Regmap SoundWire MBQ Module"); +MODULE_DESCRIPTION("regmap SoundWire MBQ Module"); MODULE_LICENSE("GPL"); diff --git a/drivers/base/regmap/regmap-sdw.c b/drivers/base/regmap/regmap-sdw.c index 159c0b740b..ea631ac7c7 100644 --- a/drivers/base/regmap/regmap-sdw.c +++ b/drivers/base/regmap/regmap-sdw.c @@ -98,5 +98,5 @@ struct regmap *__devm_regmap_init_sdw(struct sdw_slave *sdw, } EXPORT_SYMBOL_GPL(__devm_regmap_init_sdw); -MODULE_DESCRIPTION("Regmap SoundWire Module"); +MODULE_DESCRIPTION("regmap SoundWire Module"); MODULE_LICENSE("GPL v2"); diff --git a/drivers/base/regmap/regmap-spi.c b/drivers/base/regmap/regmap-spi.c index 37ab23a9d0..094cf2a2ca 100644 --- a/drivers/base/regmap/regmap-spi.c +++ b/drivers/base/regmap/regmap-spi.c @@ -165,4 +165,5 @@ struct regmap *__devm_regmap_init_spi(struct spi_device *spi, } EXPORT_SYMBOL_GPL(__devm_regmap_init_spi); +MODULE_DESCRIPTION("regmap SPI Module"); MODULE_LICENSE("GPL"); diff --git a/drivers/base/regmap/trace.h b/drivers/base/regmap/trace.h index 704e106e5d..bcc5a8b226 100644 --- a/drivers/base/regmap/trace.h +++ b/drivers/base/regmap/trace.h @@ -27,7 +27,7 @@ DECLARE_EVENT_CLASS(regmap_reg, ), TP_fast_assign( - __assign_str(name, regmap_name(map)); + __assign_str(name); __entry->reg = reg; __entry->val = val; ), @@ -74,7 +74,7 @@ DECLARE_EVENT_CLASS(regmap_bulk, ), TP_fast_assign( - __assign_str(name, regmap_name(map)); + __assign_str(name); __entry->reg = reg; __entry->val_len = val_len; memcpy(__get_dynamic_array(buf), val, val_len); @@ -113,7 +113,7 @@ DECLARE_EVENT_CLASS(regmap_block, ), TP_fast_assign( - __assign_str(name, regmap_name(map)); + __assign_str(name); __entry->reg = reg; __entry->count = count; ), @@ -163,9 +163,9 @@ TRACE_EVENT(regcache_sync, ), TP_fast_assign( - __assign_str(name, regmap_name(map)); - __assign_str(status, status); - __assign_str(type, type); + __assign_str(name); + __assign_str(status); + __assign_str(type); ), TP_printk("%s type=%s status=%s", __get_str(name), @@ -184,7 +184,7 @@ DECLARE_EVENT_CLASS(regmap_bool, ), TP_fast_assign( - __assign_str(name, regmap_name(map)); + __assign_str(name); __entry->flag = flag; ), @@ -216,7 +216,7 @@ DECLARE_EVENT_CLASS(regmap_async, ), TP_fast_assign( - __assign_str(name, regmap_name(map)); + __assign_str(name); ), TP_printk("%s", __get_str(name)) @@ -264,7 +264,7 @@ TRACE_EVENT(regcache_drop_region, ), TP_fast_assign( - __assign_str(name, regmap_name(map)); + __assign_str(name); __entry->from = from; __entry->to = to; ), diff --git a/drivers/base/trace.h b/drivers/base/trace.h index 3192e18f87..e52b6eae06 100644 --- a/drivers/base/trace.h +++ b/drivers/base/trace.h @@ -28,7 +28,7 @@ DECLARE_EVENT_CLASS(devres, __field(size_t, size) ), TP_fast_assign( - __assign_str(devname, dev_name(dev)); + __assign_str(devname); __entry->op = op; __entry->node = node; __entry->name = name; -- cgit v1.2.3