diff options
Diffstat (limited to '')
-rw-r--r-- | drivers/pinctrl/intel/pinctrl-intel.c | 117 | ||||
-rw-r--r-- | drivers/pinctrl/intel/pinctrl-intel.h | 32 |
2 files changed, 80 insertions, 69 deletions
diff --git a/drivers/pinctrl/intel/pinctrl-intel.c b/drivers/pinctrl/intel/pinctrl-intel.c index f9eb37bb3..b786d9797 100644 --- a/drivers/pinctrl/intel/pinctrl-intel.c +++ b/drivers/pinctrl/intel/pinctrl-intel.c @@ -116,7 +116,7 @@ struct intel_pinctrl { #define padgroup_offset(g, p) ((p) - (g)->base) static struct intel_community *intel_get_community(struct intel_pinctrl *pctrl, - unsigned pin) + unsigned int pin) { struct intel_community *community; int i; @@ -134,7 +134,7 @@ static struct intel_community *intel_get_community(struct intel_pinctrl *pctrl, static const struct intel_padgroup * intel_community_get_padgroup(const struct intel_community *community, - unsigned pin) + unsigned int pin) { int i; @@ -148,11 +148,11 @@ intel_community_get_padgroup(const struct intel_community *community, return NULL; } -static void __iomem *intel_get_padcfg(struct intel_pinctrl *pctrl, unsigned pin, - unsigned reg) +static void __iomem *intel_get_padcfg(struct intel_pinctrl *pctrl, + unsigned int pin, unsigned int reg) { const struct intel_community *community; - unsigned padno; + unsigned int padno; size_t nregs; community = intel_get_community(pctrl, pin); @@ -168,11 +168,11 @@ static void __iomem *intel_get_padcfg(struct intel_pinctrl *pctrl, unsigned pin, return community->pad_regs + reg + padno * nregs * 4; } -static bool intel_pad_owned_by_host(struct intel_pinctrl *pctrl, unsigned pin) +static bool intel_pad_owned_by_host(struct intel_pinctrl *pctrl, unsigned int pin) { const struct intel_community *community; const struct intel_padgroup *padgrp; - unsigned gpp, offset, gpp_offset; + unsigned int gpp, offset, gpp_offset; void __iomem *padown; community = intel_get_community(pctrl, pin); @@ -193,11 +193,11 @@ static bool intel_pad_owned_by_host(struct intel_pinctrl *pctrl, unsigned pin) return !(readl(padown) & PADOWN_MASK(gpp_offset)); } -static bool intel_pad_acpi_mode(struct intel_pinctrl *pctrl, unsigned pin) +static bool intel_pad_acpi_mode(struct intel_pinctrl *pctrl, unsigned int pin) { const struct intel_community *community; const struct intel_padgroup *padgrp; - unsigned offset, gpp_offset; + unsigned int offset, gpp_offset; void __iomem *hostown; community = intel_get_community(pctrl, pin); @@ -217,11 +217,11 @@ static bool intel_pad_acpi_mode(struct intel_pinctrl *pctrl, unsigned pin) return !(readl(hostown) & BIT(gpp_offset)); } -static bool intel_pad_locked(struct intel_pinctrl *pctrl, unsigned pin) +static bool intel_pad_locked(struct intel_pinctrl *pctrl, unsigned int pin) { struct intel_community *community; const struct intel_padgroup *padgrp; - unsigned offset, gpp_offset; + unsigned int offset, gpp_offset; u32 value; community = intel_get_community(pctrl, pin); @@ -254,7 +254,7 @@ static bool intel_pad_locked(struct intel_pinctrl *pctrl, unsigned pin) return false; } -static bool intel_pad_usable(struct intel_pinctrl *pctrl, unsigned pin) +static bool intel_pad_usable(struct intel_pinctrl *pctrl, unsigned int pin) { return intel_pad_owned_by_host(pctrl, pin) && !intel_pad_locked(pctrl, pin); @@ -268,15 +268,15 @@ static int intel_get_groups_count(struct pinctrl_dev *pctldev) } static const char *intel_get_group_name(struct pinctrl_dev *pctldev, - unsigned group) + unsigned int group) { struct intel_pinctrl *pctrl = pinctrl_dev_get_drvdata(pctldev); return pctrl->soc->groups[group].name; } -static int intel_get_group_pins(struct pinctrl_dev *pctldev, unsigned group, - const unsigned **pins, unsigned *npins) +static int intel_get_group_pins(struct pinctrl_dev *pctldev, unsigned int group, + const unsigned int **pins, unsigned int *npins) { struct intel_pinctrl *pctrl = pinctrl_dev_get_drvdata(pctldev); @@ -286,7 +286,7 @@ static int intel_get_group_pins(struct pinctrl_dev *pctldev, unsigned group, } static void intel_pin_dbg_show(struct pinctrl_dev *pctldev, struct seq_file *s, - unsigned pin) + unsigned int pin) { struct intel_pinctrl *pctrl = pinctrl_dev_get_drvdata(pctldev); void __iomem *padcfg; @@ -345,7 +345,7 @@ static int intel_get_functions_count(struct pinctrl_dev *pctldev) } static const char *intel_get_function_name(struct pinctrl_dev *pctldev, - unsigned function) + unsigned int function) { struct intel_pinctrl *pctrl = pinctrl_dev_get_drvdata(pctldev); @@ -353,9 +353,9 @@ static const char *intel_get_function_name(struct pinctrl_dev *pctldev, } static int intel_get_function_groups(struct pinctrl_dev *pctldev, - unsigned function, + unsigned int function, const char * const **groups, - unsigned * const ngroups) + unsigned int * const ngroups) { struct intel_pinctrl *pctrl = pinctrl_dev_get_drvdata(pctldev); @@ -364,8 +364,8 @@ static int intel_get_function_groups(struct pinctrl_dev *pctldev, return 0; } -static int intel_pinmux_set_mux(struct pinctrl_dev *pctldev, unsigned function, - unsigned group) +static int intel_pinmux_set_mux(struct pinctrl_dev *pctldev, + unsigned int function, unsigned int group) { struct intel_pinctrl *pctrl = pinctrl_dev_get_drvdata(pctldev); const struct intel_pingroup *grp = &pctrl->soc->groups[group]; @@ -447,7 +447,7 @@ static void intel_gpio_set_gpio_mode(void __iomem *padcfg0) static int intel_gpio_request_enable(struct pinctrl_dev *pctldev, struct pinctrl_gpio_range *range, - unsigned pin) + unsigned int pin) { struct intel_pinctrl *pctrl = pinctrl_dev_get_drvdata(pctldev); void __iomem *padcfg0; @@ -485,7 +485,7 @@ static int intel_gpio_request_enable(struct pinctrl_dev *pctldev, static int intel_gpio_set_direction(struct pinctrl_dev *pctldev, struct pinctrl_gpio_range *range, - unsigned pin, bool input) + unsigned int pin, bool input) { struct intel_pinctrl *pctrl = pinctrl_dev_get_drvdata(pctldev); void __iomem *padcfg0; @@ -510,7 +510,7 @@ static const struct pinmux_ops intel_pinmux_ops = { .gpio_set_direction = intel_gpio_set_direction, }; -static int intel_config_get(struct pinctrl_dev *pctldev, unsigned pin, +static int intel_config_get(struct pinctrl_dev *pctldev, unsigned int pin, unsigned long *config) { struct intel_pinctrl *pctrl = pinctrl_dev_get_drvdata(pctldev); @@ -599,11 +599,11 @@ static int intel_config_get(struct pinctrl_dev *pctldev, unsigned pin, return 0; } -static int intel_config_set_pull(struct intel_pinctrl *pctrl, unsigned pin, +static int intel_config_set_pull(struct intel_pinctrl *pctrl, unsigned int pin, unsigned long config) { - unsigned param = pinconf_to_config_param(config); - unsigned arg = pinconf_to_config_argument(config); + unsigned int param = pinconf_to_config_param(config); + unsigned int arg = pinconf_to_config_argument(config); const struct intel_community *community; void __iomem *padcfg1; unsigned long flags; @@ -685,8 +685,8 @@ static int intel_config_set_pull(struct intel_pinctrl *pctrl, unsigned pin, return ret; } -static int intel_config_set_debounce(struct intel_pinctrl *pctrl, unsigned pin, - unsigned debounce) +static int intel_config_set_debounce(struct intel_pinctrl *pctrl, + unsigned int pin, unsigned int debounce) { void __iomem *padcfg0, *padcfg2; unsigned long flags; @@ -732,8 +732,8 @@ exit_unlock: return ret; } -static int intel_config_set(struct pinctrl_dev *pctldev, unsigned pin, - unsigned long *configs, unsigned nconfigs) +static int intel_config_set(struct pinctrl_dev *pctldev, unsigned int pin, + unsigned long *configs, unsigned int nconfigs) { struct intel_pinctrl *pctrl = pinctrl_dev_get_drvdata(pctldev); int i, ret; @@ -790,7 +790,7 @@ static const struct pinctrl_desc intel_pinctrl_desc = { * automatically translated to pinctrl pin number. This function can be * used to find out the corresponding pinctrl pin. */ -static int intel_gpio_to_pin(struct intel_pinctrl *pctrl, unsigned offset, +static int intel_gpio_to_pin(struct intel_pinctrl *pctrl, unsigned int offset, const struct intel_community **community, const struct intel_padgroup **padgrp) { @@ -824,7 +824,7 @@ static int intel_gpio_to_pin(struct intel_pinctrl *pctrl, unsigned offset, return -EINVAL; } -static int intel_gpio_get(struct gpio_chip *chip, unsigned offset) +static int intel_gpio_get(struct gpio_chip *chip, unsigned int offset) { struct intel_pinctrl *pctrl = gpiochip_get_data(chip); void __iomem *reg; @@ -846,7 +846,8 @@ static int intel_gpio_get(struct gpio_chip *chip, unsigned offset) return !!(padcfg0 & PADCFG0_GPIORXSTATE); } -static void intel_gpio_set(struct gpio_chip *chip, unsigned offset, int value) +static void intel_gpio_set(struct gpio_chip *chip, unsigned int offset, + int value) { struct intel_pinctrl *pctrl = gpiochip_get_data(chip); unsigned long flags; @@ -895,12 +896,12 @@ static int intel_gpio_get_direction(struct gpio_chip *chip, unsigned int offset) return !!(padcfg0 & PADCFG0_GPIOTXDIS); } -static int intel_gpio_direction_input(struct gpio_chip *chip, unsigned offset) +static int intel_gpio_direction_input(struct gpio_chip *chip, unsigned int offset) { return pinctrl_gpio_direction_input(chip->base + offset); } -static int intel_gpio_direction_output(struct gpio_chip *chip, unsigned offset, +static int intel_gpio_direction_output(struct gpio_chip *chip, unsigned int offset, int value) { intel_gpio_set(chip, offset, value); @@ -929,7 +930,7 @@ static void intel_gpio_irq_ack(struct irq_data *d) pin = intel_gpio_to_pin(pctrl, irqd_to_hwirq(d), &community, &padgrp); if (pin >= 0) { - unsigned gpp, gpp_offset, is_offset; + unsigned int gpp, gpp_offset, is_offset; gpp = padgrp->reg_num; gpp_offset = padgroup_offset(padgrp, pin); @@ -951,7 +952,7 @@ static void intel_gpio_irq_enable(struct irq_data *d) pin = intel_gpio_to_pin(pctrl, irqd_to_hwirq(d), &community, &padgrp); if (pin >= 0) { - unsigned gpp, gpp_offset, is_offset; + unsigned int gpp, gpp_offset, is_offset; unsigned long flags; u32 value; @@ -980,7 +981,7 @@ static void intel_gpio_irq_mask_unmask(struct irq_data *d, bool mask) pin = intel_gpio_to_pin(pctrl, irqd_to_hwirq(d), &community, &padgrp); if (pin >= 0) { - unsigned gpp, gpp_offset; + unsigned int gpp, gpp_offset; unsigned long flags; void __iomem *reg; u32 value; @@ -1011,11 +1012,11 @@ static void intel_gpio_irq_unmask(struct irq_data *d) intel_gpio_irq_mask_unmask(d, false); } -static int intel_gpio_irq_type(struct irq_data *d, unsigned type) +static int intel_gpio_irq_type(struct irq_data *d, unsigned int type) { struct gpio_chip *gc = irq_data_get_irq_chip_data(d); struct intel_pinctrl *pctrl = gpiochip_get_data(gc); - unsigned pin = intel_gpio_to_pin(pctrl, irqd_to_hwirq(d), NULL, NULL); + unsigned int pin = intel_gpio_to_pin(pctrl, irqd_to_hwirq(d), NULL, NULL); unsigned long flags; void __iomem *reg; u32 value; @@ -1072,7 +1073,7 @@ static int intel_gpio_irq_wake(struct irq_data *d, unsigned int on) { struct gpio_chip *gc = irq_data_get_irq_chip_data(d); struct intel_pinctrl *pctrl = gpiochip_get_data(gc); - unsigned pin = intel_gpio_to_pin(pctrl, irqd_to_hwirq(d), NULL, NULL); + unsigned int pin = intel_gpio_to_pin(pctrl, irqd_to_hwirq(d), NULL, NULL); if (on) enable_irq_wake(pctrl->irq); @@ -1167,7 +1168,7 @@ static int intel_gpio_add_pin_ranges(struct intel_pinctrl *pctrl, static unsigned intel_gpio_ngpio(const struct intel_pinctrl *pctrl) { const struct intel_community *community; - unsigned ngpio = 0; + unsigned int ngpio = 0; int i, j; for (i = 0; i < pctrl->ncommunities; i++) { @@ -1243,8 +1244,8 @@ static int intel_pinctrl_add_padgroups(struct intel_pinctrl *pctrl, struct intel_community *community) { struct intel_padgroup *gpps; - unsigned npins = community->npins; - unsigned padown_num = 0; + unsigned int npins = community->npins; + unsigned int padown_num = 0; size_t ngpps, i; if (community->gpps) @@ -1260,7 +1261,7 @@ static int intel_pinctrl_add_padgroups(struct intel_pinctrl *pctrl, if (community->gpps) { gpps[i] = community->gpps[i]; } else { - unsigned gpp_size = community->gpp_size; + unsigned int gpp_size = community->gpp_size; gpps[i].reg_num = i; gpps[i].base = community->pin_base + i * gpp_size; @@ -1431,7 +1432,13 @@ int intel_pinctrl_probe(struct platform_device *pdev, EXPORT_SYMBOL_GPL(intel_pinctrl_probe); #ifdef CONFIG_PM_SLEEP -static bool intel_pinctrl_should_save(struct intel_pinctrl *pctrl, unsigned pin) +static bool __intel_gpio_is_direct_irq(u32 value) +{ + return (value & PADCFG0_GPIROUTIOXAPIC) && (value & PADCFG0_GPIOTXDIS) && + (__intel_gpio_get_gpio_mode(value) == PADCFG0_PMODE_GPIO); +} + +static bool intel_pinctrl_should_save(struct intel_pinctrl *pctrl, unsigned int pin) { const struct pin_desc *pd = pin_desc_get(pctrl->pctldev, pin); u32 value; @@ -1464,8 +1471,7 @@ static bool intel_pinctrl_should_save(struct intel_pinctrl *pctrl, unsigned pin) * See https://bugzilla.kernel.org/show_bug.cgi?id=214749. */ value = readl(intel_get_padcfg(pctrl, pin, PADCFG0)); - if ((value & PADCFG0_GPIROUTIOXAPIC) && (value & PADCFG0_GPIOTXDIS) && - (__intel_gpio_get_gpio_mode(value) == PADCFG0_PMODE_GPIO)) + if (__intel_gpio_is_direct_irq(value)) return true; return false; @@ -1502,7 +1508,7 @@ int intel_pinctrl_suspend(struct device *dev) for (i = 0; i < pctrl->ncommunities; i++) { struct intel_community *community = &pctrl->communities[i]; void __iomem *base; - unsigned gpp; + unsigned int gpp; base = community->regs + community->ie_offset; for (gpp = 0; gpp < community->ngpps; gpp++) @@ -1520,7 +1526,7 @@ static void intel_gpio_irq_init(struct intel_pinctrl *pctrl) for (i = 0; i < pctrl->ncommunities; i++) { const struct intel_community *community; void __iomem *base; - unsigned gpp; + unsigned int gpp; community = &pctrl->communities[i]; base = community->regs; @@ -1550,7 +1556,12 @@ int intel_pinctrl_resume(struct device *dev) void __iomem *padcfg; u32 val; - if (!intel_pinctrl_should_save(pctrl, desc->number)) + if (!(intel_pinctrl_should_save(pctrl, desc->number) || + /* + * If the firmware mangled the register contents too much, + * check the saved value for the Direct IRQ mode. + */ + __intel_gpio_is_direct_irq(pads[i].padcfg0))) continue; padcfg = intel_get_padcfg(pctrl, desc->number, PADCFG0); @@ -1584,7 +1595,7 @@ int intel_pinctrl_resume(struct device *dev) for (i = 0; i < pctrl->ncommunities; i++) { struct intel_community *community = &pctrl->communities[i]; void __iomem *base; - unsigned gpp; + unsigned int gpp; base = community->regs + community->ie_offset; for (gpp = 0; gpp < community->ngpps; gpp++) { diff --git a/drivers/pinctrl/intel/pinctrl-intel.h b/drivers/pinctrl/intel/pinctrl-intel.h index 1785abf15..737a545b4 100644 --- a/drivers/pinctrl/intel/pinctrl-intel.h +++ b/drivers/pinctrl/intel/pinctrl-intel.h @@ -25,10 +25,10 @@ struct device; */ struct intel_pingroup { const char *name; - const unsigned *pins; + const unsigned int *pins; size_t npins; unsigned short mode; - const unsigned *modes; + const unsigned int *modes; }; /** @@ -56,11 +56,11 @@ struct intel_function { * to specify them. */ struct intel_padgroup { - unsigned reg_num; - unsigned base; - unsigned size; + unsigned int reg_num; + unsigned int base; + unsigned int size; int gpio_base; - unsigned padown_num; + unsigned int padown_num; }; /** @@ -96,17 +96,17 @@ struct intel_padgroup { * pass custom @gpps and @ngpps instead. */ struct intel_community { - unsigned barno; - unsigned padown_offset; - unsigned padcfglock_offset; - unsigned hostown_offset; - unsigned is_offset; - unsigned ie_offset; - unsigned pin_base; - unsigned gpp_size; - unsigned gpp_num_padown_regs; + unsigned int barno; + unsigned int padown_offset; + unsigned int padcfglock_offset; + unsigned int hostown_offset; + unsigned int is_offset; + unsigned int ie_offset; + unsigned int pin_base; + unsigned int gpp_size; + unsigned int gpp_num_padown_regs; size_t npins; - unsigned features; + unsigned int features; const struct intel_padgroup *gpps; size_t ngpps; /* Reserved for the core driver */ |