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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-06-19 21:00:30 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-06-19 21:00:30 +0000
commite54def4ad8144ab15f826416e2e0f290ef1901b4 (patch)
tree583f8d4bd95cd67c44ff37b878a7eddfca9ab97a /drivers/irqchip
parentAdding upstream version 6.8.12. (diff)
downloadlinux-e54def4ad8144ab15f826416e2e0f290ef1901b4.tar.xz
linux-e54def4ad8144ab15f826416e2e0f290ef1901b4.zip
Adding upstream version 6.9.2.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/irqchip')
-rw-r--r--drivers/irqchip/Kconfig11
-rw-r--r--drivers/irqchip/Makefile1
-rw-r--r--drivers/irqchip/irq-alpine-msi.c2
-rw-r--r--drivers/irqchip/irq-armada-370-xp.c2
-rw-r--r--drivers/irqchip/irq-bcm6345-l1.c2
-rw-r--r--drivers/irqchip/irq-bcm7038-l1.c2
-rw-r--r--drivers/irqchip/irq-gic-v3-its.c12
-rw-r--r--drivers/irqchip/irq-gic-v3.c57
-rw-r--r--drivers/irqchip/irq-gic.c27
-rw-r--r--drivers/irqchip/irq-imgpdc.c7
-rw-r--r--drivers/irqchip/irq-imx-intmux.c18
-rw-r--r--drivers/irqchip/irq-imx-irqsteer.c14
-rw-r--r--drivers/irqchip/irq-keystone.c5
-rw-r--r--drivers/irqchip/irq-loongson-eiointc.c22
-rw-r--r--drivers/irqchip/irq-loongson-pch-msi.c2
-rw-r--r--drivers/irqchip/irq-ls-scfg-msi.c12
-rw-r--r--drivers/irqchip/irq-madera.c8
-rw-r--r--drivers/irqchip/irq-meson-gpio.c5
-rw-r--r--drivers/irqchip/irq-mvebu-pic.c12
-rw-r--r--drivers/irqchip/irq-pruss-intc.c14
-rw-r--r--drivers/irqchip/irq-renesas-intc-irqpin.c11
-rw-r--r--drivers/irqchip/irq-renesas-irqc.c9
-rw-r--r--drivers/irqchip/irq-renesas-rza1.c7
-rw-r--r--drivers/irqchip/irq-renesas-rzg2l.c5
-rw-r--r--drivers/irqchip/irq-riscv-intc.c107
-rw-r--r--drivers/irqchip/irq-sifive-plic.c275
-rw-r--r--drivers/irqchip/irq-starfive-jh8100-intc.c207
-rw-r--r--drivers/irqchip/irq-stm32-exti.c9
-rw-r--r--drivers/irqchip/irq-ts4800.c12
-rw-r--r--drivers/irqchip/irq-vic.c3
30 files changed, 607 insertions, 273 deletions
diff --git a/drivers/irqchip/Kconfig b/drivers/irqchip/Kconfig
index f7149d0f3d..72c07a12f5 100644
--- a/drivers/irqchip/Kconfig
+++ b/drivers/irqchip/Kconfig
@@ -546,6 +546,17 @@ config SIFIVE_PLIC
select IRQ_DOMAIN_HIERARCHY
select GENERIC_IRQ_EFFECTIVE_AFF_MASK if SMP
+config STARFIVE_JH8100_INTC
+ bool "StarFive JH8100 External Interrupt Controller"
+ depends on ARCH_STARFIVE || COMPILE_TEST
+ default ARCH_STARFIVE
+ select IRQ_DOMAIN_HIERARCHY
+ help
+ This enables support for the INTC chip found in StarFive JH8100
+ SoC.
+
+ If you don't know what to do here, say Y.
+
config EXYNOS_IRQ_COMBINER
bool "Samsung Exynos IRQ combiner support" if COMPILE_TEST
depends on (ARCH_EXYNOS && ARM) || COMPILE_TEST
diff --git a/drivers/irqchip/Makefile b/drivers/irqchip/Makefile
index ffd945fe71..ec4a183809 100644
--- a/drivers/irqchip/Makefile
+++ b/drivers/irqchip/Makefile
@@ -96,6 +96,7 @@ obj-$(CONFIG_CSKY_MPINTC) += irq-csky-mpintc.o
obj-$(CONFIG_CSKY_APB_INTC) += irq-csky-apb-intc.o
obj-$(CONFIG_RISCV_INTC) += irq-riscv-intc.o
obj-$(CONFIG_SIFIVE_PLIC) += irq-sifive-plic.o
+obj-$(CONFIG_STARFIVE_JH8100_INTC) += irq-starfive-jh8100-intc.o
obj-$(CONFIG_IMX_IRQSTEER) += irq-imx-irqsteer.o
obj-$(CONFIG_IMX_INTMUX) += irq-imx-intmux.o
obj-$(CONFIG_IMX_MU_MSI) += irq-imx-mu-msi.o
diff --git a/drivers/irqchip/irq-alpine-msi.c b/drivers/irqchip/irq-alpine-msi.c
index a1430ab60a..9c8b1349ee 100644
--- a/drivers/irqchip/irq-alpine-msi.c
+++ b/drivers/irqchip/irq-alpine-msi.c
@@ -165,7 +165,7 @@ static int alpine_msix_middle_domain_alloc(struct irq_domain *domain,
return 0;
err_sgi:
- irq_domain_free_irqs_parent(domain, virq, i);
+ irq_domain_free_irqs_parent(domain, virq, i - 1);
alpine_msix_free_sgi(priv, sgi, nr_irqs);
return err;
}
diff --git a/drivers/irqchip/irq-armada-370-xp.c b/drivers/irqchip/irq-armada-370-xp.c
index a555284692..4b021a67bd 100644
--- a/drivers/irqchip/irq-armada-370-xp.c
+++ b/drivers/irqchip/irq-armada-370-xp.c
@@ -316,7 +316,7 @@ static int armada_370_xp_msi_init(struct device_node *node,
return 0;
}
#else
-static void armada_370_xp_msi_reenable_percpu(void) {}
+static __maybe_unused void armada_370_xp_msi_reenable_percpu(void) {}
static inline int armada_370_xp_msi_init(struct device_node *node,
phys_addr_t main_int_phys_base)
diff --git a/drivers/irqchip/irq-bcm6345-l1.c b/drivers/irqchip/irq-bcm6345-l1.c
index 9745a119d0..eb02d203c9 100644
--- a/drivers/irqchip/irq-bcm6345-l1.c
+++ b/drivers/irqchip/irq-bcm6345-l1.c
@@ -242,7 +242,7 @@ static int __init bcm6345_l1_init_one(struct device_node *dn,
else if (intc->n_words != n_words)
return -EINVAL;
- cpu = intc->cpus[idx] = kzalloc(sizeof(*cpu) + n_words * sizeof(u32),
+ cpu = intc->cpus[idx] = kzalloc(struct_size(cpu, enable_cache, n_words),
GFP_KERNEL);
if (!cpu)
return -ENOMEM;
diff --git a/drivers/irqchip/irq-bcm7038-l1.c b/drivers/irqchip/irq-bcm7038-l1.c
index 24ca1d656a..36e71af054 100644
--- a/drivers/irqchip/irq-bcm7038-l1.c
+++ b/drivers/irqchip/irq-bcm7038-l1.c
@@ -249,7 +249,7 @@ static int __init bcm7038_l1_init_one(struct device_node *dn,
return -EINVAL;
}
- cpu = intc->cpus[idx] = kzalloc(sizeof(*cpu) + n_words * sizeof(u32),
+ cpu = intc->cpus[idx] = kzalloc(struct_size(cpu, mask_cache, n_words),
GFP_KERNEL);
if (!cpu)
return -ENOMEM;
diff --git a/drivers/irqchip/irq-gic-v3-its.c b/drivers/irqchip/irq-gic-v3-its.c
index 6b386511cd..5f7d3db3af 100644
--- a/drivers/irqchip/irq-gic-v3-its.c
+++ b/drivers/irqchip/irq-gic-v3-its.c
@@ -786,6 +786,7 @@ static struct its_vpe *its_build_vmapp_cmd(struct its_node *its,
struct its_cmd_block *cmd,
struct its_cmd_desc *desc)
{
+ struct its_vpe *vpe = valid_vpe(its, desc->its_vmapp_cmd.vpe);
unsigned long vpt_addr, vconf_addr;
u64 target;
bool alloc;
@@ -798,6 +799,11 @@ static struct its_vpe *its_build_vmapp_cmd(struct its_node *its,
if (is_v4_1(its)) {
alloc = !atomic_dec_return(&desc->its_vmapp_cmd.vpe->vmapp_count);
its_encode_alloc(cmd, alloc);
+ /*
+ * Unmapping a VPE is self-synchronizing on GICv4.1,
+ * no need to issue a VSYNC.
+ */
+ vpe = NULL;
}
goto out;
@@ -832,7 +838,7 @@ static struct its_vpe *its_build_vmapp_cmd(struct its_node *its,
out:
its_fixup_cmd(cmd);
- return valid_vpe(its, desc->its_vmapp_cmd.vpe);
+ return vpe;
}
static struct its_vpe *its_build_vmapti_cmd(struct its_node *its,
@@ -4436,12 +4442,12 @@ static const struct irq_domain_ops its_sgi_domain_ops = {
static int its_vpe_id_alloc(void)
{
- return ida_simple_get(&its_vpeid_ida, 0, ITS_MAX_VPEID, GFP_KERNEL);
+ return ida_alloc_max(&its_vpeid_ida, ITS_MAX_VPEID - 1, GFP_KERNEL);
}
static void its_vpe_id_free(u16 id)
{
- ida_simple_remove(&its_vpeid_ida, id);
+ ida_free(&its_vpeid_ida, id);
}
static int its_vpe_init(struct its_vpe *vpe)
diff --git a/drivers/irqchip/irq-gic-v3.c b/drivers/irqchip/irq-gic-v3.c
index 98b0329b71..6fb276504b 100644
--- a/drivers/irqchip/irq-gic-v3.c
+++ b/drivers/irqchip/irq-gic-v3.c
@@ -19,6 +19,7 @@
#include <linux/percpu.h>
#include <linux/refcount.h>
#include <linux/slab.h>
+#include <linux/iopoll.h>
#include <linux/irqchip.h>
#include <linux/irqchip/arm-gic-common.h>
@@ -180,11 +181,6 @@ static enum gic_intid_range get_intid_range(struct irq_data *d)
return __get_intid_range(d->hwirq);
}
-static inline unsigned int gic_irq(struct irq_data *d)
-{
- return d->hwirq;
-}
-
static inline bool gic_irq_in_rdist(struct irq_data *d)
{
switch (get_intid_range(d)) {
@@ -251,17 +247,13 @@ static inline void __iomem *gic_dist_base(struct irq_data *d)
static void gic_do_wait_for_rwp(void __iomem *base, u32 bit)
{
- u32 count = 1000000; /* 1s! */
+ u32 val;
+ int ret;
- while (readl_relaxed(base + GICD_CTLR) & bit) {
- count--;
- if (!count) {
- pr_err_ratelimited("RWP timeout, gone fishing\n");
- return;
- }
- cpu_relax();
- udelay(1);
- }
+ ret = readl_relaxed_poll_timeout_atomic(base + GICD_CTLR, val, !(val & bit),
+ 1, USEC_PER_SEC);
+ if (ret == -ETIMEDOUT)
+ pr_err_ratelimited("RWP timeout, gone fishing\n");
}
/* Wait for completion of a distributor change */
@@ -279,8 +271,8 @@ static void gic_redist_wait_for_rwp(void)
static void gic_enable_redist(bool enable)
{
void __iomem *rbase;
- u32 count = 1000000; /* 1s! */
u32 val;
+ int ret;
if (gic_data.flags & FLAGS_WORKAROUND_GICR_WAKER_MSM8996)
return;
@@ -301,16 +293,13 @@ static void gic_enable_redist(bool enable)
return; /* No PM support in this redistributor */
}
- while (--count) {
- val = readl_relaxed(rbase + GICR_WAKER);
- if (enable ^ (bool)(val & GICR_WAKER_ChildrenAsleep))
- break;
- cpu_relax();
- udelay(1);
- }
- if (!count)
+ ret = readl_relaxed_poll_timeout_atomic(rbase + GICR_WAKER, val,
+ enable ^ (bool)(val & GICR_WAKER_ChildrenAsleep),
+ 1, USEC_PER_SEC);
+ if (ret == -ETIMEDOUT) {
pr_err_ratelimited("redistributor failed to %s...\n",
enable ? "wakeup" : "sleep");
+ }
}
/*
@@ -548,7 +537,7 @@ static int gic_irq_nmi_setup(struct irq_data *d)
* A secondary irq_chip should be in charge of LPI request,
* it should not be possible to get there
*/
- if (WARN_ON(gic_irq(d) >= 8192))
+ if (WARN_ON(irqd_to_hwirq(d) >= 8192))
return -EINVAL;
/* desc lock should already be held */
@@ -588,7 +577,7 @@ static void gic_irq_nmi_teardown(struct irq_data *d)
* A secondary irq_chip should be in charge of LPI request,
* it should not be possible to get there
*/
- if (WARN_ON(gic_irq(d) >= 8192))
+ if (WARN_ON(irqd_to_hwirq(d) >= 8192))
return;
/* desc lock should already be held */
@@ -626,7 +615,7 @@ static bool gic_arm64_erratum_2941627_needed(struct irq_data *d)
static void gic_eoi_irq(struct irq_data *d)
{
- write_gicreg(gic_irq(d), ICC_EOIR1_EL1);
+ write_gicreg(irqd_to_hwirq(d), ICC_EOIR1_EL1);
isb();
if (gic_arm64_erratum_2941627_needed(d)) {
@@ -646,19 +635,19 @@ static void gic_eoimode1_eoi_irq(struct irq_data *d)
* No need to deactivate an LPI, or an interrupt that
* is is getting forwarded to a vcpu.
*/
- if (gic_irq(d) >= 8192 || irqd_is_forwarded_to_vcpu(d))
+ if (irqd_to_hwirq(d) >= 8192 || irqd_is_forwarded_to_vcpu(d))
return;
if (!gic_arm64_erratum_2941627_needed(d))
- gic_write_dir(gic_irq(d));
+ gic_write_dir(irqd_to_hwirq(d));
else
gic_poke_irq(d, GICD_ICACTIVER);
}
static int gic_set_type(struct irq_data *d, unsigned int type)
{
+ irq_hw_number_t irq = irqd_to_hwirq(d);
enum gic_intid_range range;
- unsigned int irq = gic_irq(d);
void __iomem *base;
u32 offset, index;
int ret;
@@ -684,7 +673,7 @@ static int gic_set_type(struct irq_data *d, unsigned int type)
ret = gic_configure_irq(index, type, base + offset, NULL);
if (ret && (range == PPI_RANGE || range == EPPI_RANGE)) {
/* Misconfigured PPIs are usually not fatal */
- pr_warn("GIC: PPI INTID%d is secure or misconfigured\n", irq);
+ pr_warn("GIC: PPI INTID%ld is secure or misconfigured\n", irq);
ret = 0;
}
@@ -1702,9 +1691,13 @@ static int gic_irq_domain_select(struct irq_domain *d,
irq_hw_number_t hwirq;
/* Not for us */
- if (fwspec->fwnode != d->fwnode)
+ if (fwspec->fwnode != d->fwnode)
return 0;
+ /* Handle pure domain searches */
+ if (!fwspec->param_count)
+ return d->bus_token == bus_token;
+
/* If this is not DT, then we have a single domain */
if (!is_of_node(fwspec->fwnode))
return 1;
diff --git a/drivers/irqchip/irq-gic.c b/drivers/irqchip/irq-gic.c
index 412196a7da..98aa383e39 100644
--- a/drivers/irqchip/irq-gic.c
+++ b/drivers/irqchip/irq-gic.c
@@ -162,11 +162,6 @@ static inline void __iomem *gic_cpu_base(struct irq_data *d)
return gic_data_cpu_base(gic_data);
}
-static inline unsigned int gic_irq(struct irq_data *d)
-{
- return d->hwirq;
-}
-
static inline bool cascading_gic_irq(struct irq_data *d)
{
void *data = irq_data_get_irq_handler_data(d);
@@ -183,14 +178,16 @@ static inline bool cascading_gic_irq(struct irq_data *d)
*/
static void gic_poke_irq(struct irq_data *d, u32 offset)
{
- u32 mask = 1 << (gic_irq(d) % 32);
- writel_relaxed(mask, gic_dist_base(d) + offset + (gic_irq(d) / 32) * 4);
+ u32 mask = 1 << (irqd_to_hwirq(d) % 32);
+
+ writel_relaxed(mask, gic_dist_base(d) + offset + (irqd_to_hwirq(d) / 32) * 4);
}
static int gic_peek_irq(struct irq_data *d, u32 offset)
{
- u32 mask = 1 << (gic_irq(d) % 32);
- return !!(readl_relaxed(gic_dist_base(d) + offset + (gic_irq(d) / 32) * 4) & mask);
+ u32 mask = 1 << (irqd_to_hwirq(d) % 32);
+
+ return !!(readl_relaxed(gic_dist_base(d) + offset + (irqd_to_hwirq(d) / 32) * 4) & mask);
}
static void gic_mask_irq(struct irq_data *d)
@@ -220,7 +217,7 @@ static void gic_unmask_irq(struct irq_data *d)
static void gic_eoi_irq(struct irq_data *d)
{
- u32 hwirq = gic_irq(d);
+ irq_hw_number_t hwirq = irqd_to_hwirq(d);
if (hwirq < 16)
hwirq = this_cpu_read(sgi_intid);
@@ -230,7 +227,7 @@ static void gic_eoi_irq(struct irq_data *d)
static void gic_eoimode1_eoi_irq(struct irq_data *d)
{
- u32 hwirq = gic_irq(d);
+ irq_hw_number_t hwirq = irqd_to_hwirq(d);
/* Do not deactivate an IRQ forwarded to a vcpu. */
if (irqd_is_forwarded_to_vcpu(d))
@@ -293,8 +290,8 @@ static int gic_irq_get_irqchip_state(struct irq_data *d,
static int gic_set_type(struct irq_data *d, unsigned int type)
{
+ irq_hw_number_t gicirq = irqd_to_hwirq(d);
void __iomem *base = gic_dist_base(d);
- unsigned int gicirq = gic_irq(d);
int ret;
/* Interrupt configuration for SGIs can't be changed */
@@ -309,7 +306,7 @@ static int gic_set_type(struct irq_data *d, unsigned int type)
ret = gic_configure_irq(gicirq, type, base + GIC_DIST_CONFIG, NULL);
if (ret && gicirq < 32) {
/* Misconfigured PPIs are usually not fatal */
- pr_warn("GIC: PPI%d is secure or misconfigured\n", gicirq - 16);
+ pr_warn("GIC: PPI%ld is secure or misconfigured\n", gicirq - 16);
ret = 0;
}
@@ -319,7 +316,7 @@ static int gic_set_type(struct irq_data *d, unsigned int type)
static int gic_irq_set_vcpu_affinity(struct irq_data *d, void *vcpu)
{
/* Only interrupts on the primary GIC can be forwarded to a vcpu. */
- if (cascading_gic_irq(d) || gic_irq(d) < 16)
+ if (cascading_gic_irq(d) || irqd_to_hwirq(d) < 16)
return -EINVAL;
if (vcpu)
@@ -796,7 +793,7 @@ static void rmw_writeb(u8 bval, void __iomem *addr)
static int gic_set_affinity(struct irq_data *d, const struct cpumask *mask_val,
bool force)
{
- void __iomem *reg = gic_dist_base(d) + GIC_DIST_TARGET + gic_irq(d);
+ void __iomem *reg = gic_dist_base(d) + GIC_DIST_TARGET + irqd_to_hwirq(d);
struct gic_chip_data *gic = irq_data_get_irq_chip_data(d);
unsigned int cpu;
diff --git a/drivers/irqchip/irq-imgpdc.c b/drivers/irqchip/irq-imgpdc.c
index 5831be4546..b42ed68acf 100644
--- a/drivers/irqchip/irq-imgpdc.c
+++ b/drivers/irqchip/irq-imgpdc.c
@@ -461,12 +461,11 @@ err_generic:
return ret;
}
-static int pdc_intc_remove(struct platform_device *pdev)
+static void pdc_intc_remove(struct platform_device *pdev)
{
struct pdc_intc_priv *priv = platform_get_drvdata(pdev);
irq_domain_remove(priv->domain);
- return 0;
}
static const struct of_device_id pdc_intc_match[] = {
@@ -479,8 +478,8 @@ static struct platform_driver pdc_intc_driver = {
.name = "pdc-intc",
.of_match_table = pdc_intc_match,
},
- .probe = pdc_intc_probe,
- .remove = pdc_intc_remove,
+ .probe = pdc_intc_probe,
+ .remove_new = pdc_intc_remove,
};
static int __init pdc_intc_init(void)
diff --git a/drivers/irqchip/irq-imx-intmux.c b/drivers/irqchip/irq-imx-intmux.c
index aa041e4dfe..511adfaeec 100644
--- a/drivers/irqchip/irq-imx-intmux.c
+++ b/drivers/irqchip/irq-imx-intmux.c
@@ -166,6 +166,10 @@ static int imx_intmux_irq_select(struct irq_domain *d, struct irq_fwspec *fwspec
if (fwspec->fwnode != d->fwnode)
return false;
+ /* Handle pure domain searches */
+ if (!fwspec->param_count)
+ return d->bus_token == bus_token;
+
return irqchip_data->chanidx == fwspec->param[1];
}
@@ -282,7 +286,7 @@ out:
return ret;
}
-static int imx_intmux_remove(struct platform_device *pdev)
+static void imx_intmux_remove(struct platform_device *pdev)
{
struct intmux_data *data = platform_get_drvdata(pdev);
int i;
@@ -298,8 +302,6 @@ static int imx_intmux_remove(struct platform_device *pdev)
}
pm_runtime_disable(&pdev->dev);
-
- return 0;
}
#ifdef CONFIG_PM
@@ -354,11 +356,11 @@ static const struct of_device_id imx_intmux_id[] = {
static struct platform_driver imx_intmux_driver = {
.driver = {
- .name = "imx-intmux",
- .of_match_table = imx_intmux_id,
- .pm = &imx_intmux_pm_ops,
+ .name = "imx-intmux",
+ .of_match_table = imx_intmux_id,
+ .pm = &imx_intmux_pm_ops,
},
- .probe = imx_intmux_probe,
- .remove = imx_intmux_remove,
+ .probe = imx_intmux_probe,
+ .remove_new = imx_intmux_remove,
};
builtin_platform_driver(imx_intmux_driver);
diff --git a/drivers/irqchip/irq-imx-irqsteer.c b/drivers/irqchip/irq-imx-irqsteer.c
index bd95433145..20cf7a9e9e 100644
--- a/drivers/irqchip/irq-imx-irqsteer.c
+++ b/drivers/irqchip/irq-imx-irqsteer.c
@@ -231,7 +231,7 @@ out:
return ret;
}
-static int imx_irqsteer_remove(struct platform_device *pdev)
+static void imx_irqsteer_remove(struct platform_device *pdev)
{
struct irqsteer_data *irqsteer_data = platform_get_drvdata(pdev);
int i;
@@ -243,8 +243,6 @@ static int imx_irqsteer_remove(struct platform_device *pdev)
irq_domain_remove(irqsteer_data->domain);
clk_disable_unprepare(irqsteer_data->ipg_clk);
-
- return 0;
}
#ifdef CONFIG_PM
@@ -307,11 +305,11 @@ static const struct of_device_id imx_irqsteer_dt_ids[] = {
static struct platform_driver imx_irqsteer_driver = {
.driver = {
- .name = "imx-irqsteer",
- .of_match_table = imx_irqsteer_dt_ids,
- .pm = &imx_irqsteer_pm_ops,
+ .name = "imx-irqsteer",
+ .of_match_table = imx_irqsteer_dt_ids,
+ .pm = &imx_irqsteer_pm_ops,
},
- .probe = imx_irqsteer_probe,
- .remove = imx_irqsteer_remove,
+ .probe = imx_irqsteer_probe,
+ .remove_new = imx_irqsteer_remove,
};
builtin_platform_driver(imx_irqsteer_driver);
diff --git a/drivers/irqchip/irq-keystone.c b/drivers/irqchip/irq-keystone.c
index a36396db4b..30f1979fa1 100644
--- a/drivers/irqchip/irq-keystone.c
+++ b/drivers/irqchip/irq-keystone.c
@@ -190,7 +190,7 @@ static int keystone_irq_probe(struct platform_device *pdev)
return 0;
}
-static int keystone_irq_remove(struct platform_device *pdev)
+static void keystone_irq_remove(struct platform_device *pdev)
{
struct keystone_irq_device *kirq = platform_get_drvdata(pdev);
int hwirq;
@@ -201,7 +201,6 @@ static int keystone_irq_remove(struct platform_device *pdev)
irq_dispose_mapping(irq_find_mapping(kirq->irqd, hwirq));
irq_domain_remove(kirq->irqd);
- return 0;
}
static const struct of_device_id keystone_irq_dt_ids[] = {
@@ -212,7 +211,7 @@ MODULE_DEVICE_TABLE(of, keystone_irq_dt_ids);
static struct platform_driver keystone_irq_device_driver = {
.probe = keystone_irq_probe,
- .remove = keystone_irq_remove,
+ .remove_new = keystone_irq_remove,
.driver = {
.name = "keystone_irq",
.of_match_table = of_match_ptr(keystone_irq_dt_ids),
diff --git a/drivers/irqchip/irq-loongson-eiointc.c b/drivers/irqchip/irq-loongson-eiointc.c
index b3736bdd4b..b64cbe3052 100644
--- a/drivers/irqchip/irq-loongson-eiointc.c
+++ b/drivers/irqchip/irq-loongson-eiointc.c
@@ -198,6 +198,12 @@ static void eiointc_irq_dispatch(struct irq_desc *desc)
for (i = 0; i < eiointc_priv[0]->vec_count / VEC_COUNT_PER_REG; i++) {
pending = iocsr_read64(EIOINTC_REG_ISR + (i << 3));
+
+ /* Skip handling if pending bitmap is zero */
+ if (!pending)
+ continue;
+
+ /* Clear the IRQs */
iocsr_write64(pending, EIOINTC_REG_ISR + (i << 3));
while (pending) {
int bit = __ffs(pending);
@@ -304,23 +310,7 @@ static int eiointc_suspend(void)
static void eiointc_resume(void)
{
- int i, j;
- struct irq_desc *desc;
- struct irq_data *irq_data;
-
eiointc_router_init(0);
-
- for (i = 0; i < nr_pics; i++) {
- for (j = 0; j < eiointc_priv[0]->vec_count; j++) {
- desc = irq_resolve_mapping(eiointc_priv[i]->eiointc_domain, j);
- if (desc && desc->handle_irq && desc->handle_irq != handle_bad_irq) {
- raw_spin_lock(&desc->lock);
- irq_data = irq_domain_get_irq_data(eiointc_priv[i]->eiointc_domain, irq_desc_get_irq(desc));
- eiointc_set_irq_affinity(irq_data, irq_data->common->affinity, 0);
- raw_spin_unlock(&desc->lock);
- }
- }
- }
}
static struct syscore_ops eiointc_syscore_ops = {
diff --git a/drivers/irqchip/irq-loongson-pch-msi.c b/drivers/irqchip/irq-loongson-pch-msi.c
index dd4d699170..6e1e1f011b 100644
--- a/drivers/irqchip/irq-loongson-pch-msi.c
+++ b/drivers/irqchip/irq-loongson-pch-msi.c
@@ -136,7 +136,7 @@ static int pch_msi_middle_domain_alloc(struct irq_domain *domain,
err_hwirq:
pch_msi_free_hwirq(priv, hwirq, nr_irqs);
- irq_domain_free_irqs_parent(domain, virq, i);
+ irq_domain_free_irqs_parent(domain, virq, i - 1);
return err;
}
diff --git a/drivers/irqchip/irq-ls-scfg-msi.c b/drivers/irqchip/irq-ls-scfg-msi.c
index 15cf80b463..1aef5c4d27 100644
--- a/drivers/irqchip/irq-ls-scfg-msi.c
+++ b/drivers/irqchip/irq-ls-scfg-msi.c
@@ -398,7 +398,7 @@ static int ls_scfg_msi_probe(struct platform_device *pdev)
return 0;
}
-static int ls_scfg_msi_remove(struct platform_device *pdev)
+static void ls_scfg_msi_remove(struct platform_device *pdev)
{
struct ls_scfg_msi *msi_data = platform_get_drvdata(pdev);
int i;
@@ -410,17 +410,15 @@ static int ls_scfg_msi_remove(struct platform_device *pdev)
irq_domain_remove(msi_data->parent);
platform_set_drvdata(pdev, NULL);
-
- return 0;
}
static struct platform_driver ls_scfg_msi_driver = {
.driver = {
- .name = "ls-scfg-msi",
- .of_match_table = ls_scfg_msi_id,
+ .name = "ls-scfg-msi",
+ .of_match_table = ls_scfg_msi_id,
},
- .probe = ls_scfg_msi_probe,
- .remove = ls_scfg_msi_remove,
+ .probe = ls_scfg_msi_probe,
+ .remove_new = ls_scfg_msi_remove,
};
module_platform_driver(ls_scfg_msi_driver);
diff --git a/drivers/irqchip/irq-madera.c b/drivers/irqchip/irq-madera.c
index 3eb1f8cdf6..acceb6e7fa 100644
--- a/drivers/irqchip/irq-madera.c
+++ b/drivers/irqchip/irq-madera.c
@@ -222,7 +222,7 @@ static int madera_irq_probe(struct platform_device *pdev)
return 0;
}
-static int madera_irq_remove(struct platform_device *pdev)
+static void madera_irq_remove(struct platform_device *pdev)
{
struct madera *madera = dev_get_drvdata(pdev->dev.parent);
@@ -232,13 +232,11 @@ static int madera_irq_remove(struct platform_device *pdev)
*/
madera->irq_dev = NULL;
regmap_del_irq_chip(madera->irq, madera->irq_data);
-
- return 0;
}
static struct platform_driver madera_irq_driver = {
- .probe = &madera_irq_probe,
- .remove = &madera_irq_remove,
+ .probe = madera_irq_probe,
+ .remove_new = madera_irq_remove,
.driver = {
.name = "madera-irq",
.pm = &madera_irq_pm_ops,
diff --git a/drivers/irqchip/irq-meson-gpio.c b/drivers/irqchip/irq-meson-gpio.c
index f88df39f41..9a17919085 100644
--- a/drivers/irqchip/irq-meson-gpio.c
+++ b/drivers/irqchip/irq-meson-gpio.c
@@ -154,6 +154,10 @@ static const struct meson_gpio_irq_params c3_params = {
INIT_MESON_S4_COMMON_DATA(55)
};
+static const struct meson_gpio_irq_params t7_params = {
+ INIT_MESON_S4_COMMON_DATA(157)
+};
+
static const struct of_device_id meson_irq_gpio_matches[] __maybe_unused = {
{ .compatible = "amlogic,meson8-gpio-intc", .data = &meson8_params },
{ .compatible = "amlogic,meson8b-gpio-intc", .data = &meson8b_params },
@@ -165,6 +169,7 @@ static const struct of_device_id meson_irq_gpio_matches[] __maybe_unused = {
{ .compatible = "amlogic,meson-a1-gpio-intc", .data = &a1_params },
{ .compatible = "amlogic,meson-s4-gpio-intc", .data = &s4_params },
{ .compatible = "amlogic,c3-gpio-intc", .data = &c3_params },
+ { .compatible = "amlogic,t7-gpio-intc", .data = &t7_params },
{ }
};
diff --git a/drivers/irqchip/irq-mvebu-pic.c b/drivers/irqchip/irq-mvebu-pic.c
index ef3d3646cc..d17d9c0e28 100644
--- a/drivers/irqchip/irq-mvebu-pic.c
+++ b/drivers/irqchip/irq-mvebu-pic.c
@@ -167,14 +167,12 @@ static int mvebu_pic_probe(struct platform_device *pdev)
return 0;
}
-static int mvebu_pic_remove(struct platform_device *pdev)
+static void mvebu_pic_remove(struct platform_device *pdev)
{
struct mvebu_pic *pic = platform_get_drvdata(pdev);
on_each_cpu(mvebu_pic_disable_percpu_irq, pic, 1);
irq_domain_remove(pic->domain);
-
- return 0;
}
static const struct of_device_id mvebu_pic_of_match[] = {
@@ -184,11 +182,11 @@ static const struct of_device_id mvebu_pic_of_match[] = {
MODULE_DEVICE_TABLE(of, mvebu_pic_of_match);
static struct platform_driver mvebu_pic_driver = {
- .probe = mvebu_pic_probe,
- .remove = mvebu_pic_remove,
+ .probe = mvebu_pic_probe,
+ .remove_new = mvebu_pic_remove,
.driver = {
- .name = "mvebu-pic",
- .of_match_table = mvebu_pic_of_match,
+ .name = "mvebu-pic",
+ .of_match_table = mvebu_pic_of_match,
},
};
module_platform_driver(mvebu_pic_driver);
diff --git a/drivers/irqchip/irq-pruss-intc.c b/drivers/irqchip/irq-pruss-intc.c
index 0f64ecb9b1..060eb000e9 100644
--- a/drivers/irqchip/irq-pruss-intc.c
+++ b/drivers/irqchip/irq-pruss-intc.c
@@ -599,7 +599,7 @@ fail_irq:
return ret;
}
-static int pruss_intc_remove(struct platform_device *pdev)
+static void pruss_intc_remove(struct platform_device *pdev)
{
struct pruss_intc *intc = platform_get_drvdata(pdev);
u8 max_system_events = intc->soc_config->num_system_events;
@@ -616,8 +616,6 @@ static int pruss_intc_remove(struct platform_device *pdev)
irq_dispose_mapping(irq_find_mapping(intc->domain, hwirq));
irq_domain_remove(intc->domain);
-
- return 0;
}
static const struct pruss_intc_match_data pruss_intc_data = {
@@ -645,12 +643,12 @@ MODULE_DEVICE_TABLE(of, pruss_intc_of_match);
static struct platform_driver pruss_intc_driver = {
.driver = {
- .name = "pruss-intc",
- .of_match_table = pruss_intc_of_match,
- .suppress_bind_attrs = true,
+ .name = "pruss-intc",
+ .of_match_table = pruss_intc_of_match,
+ .suppress_bind_attrs = true,
},
- .probe = pruss_intc_probe,
- .remove = pruss_intc_remove,
+ .probe = pruss_intc_probe,
+ .remove_new = pruss_intc_remove,
};
module_platform_driver(pruss_intc_driver);
diff --git a/drivers/irqchip/irq-renesas-intc-irqpin.c b/drivers/irqchip/irq-renesas-intc-irqpin.c
index fa19585f3d..9ad37237ba 100644
--- a/drivers/irqchip/irq-renesas-intc-irqpin.c
+++ b/drivers/irqchip/irq-renesas-intc-irqpin.c
@@ -561,14 +561,13 @@ err0:
return ret;
}
-static int intc_irqpin_remove(struct platform_device *pdev)
+static void intc_irqpin_remove(struct platform_device *pdev)
{
struct intc_irqpin_priv *p = platform_get_drvdata(pdev);
irq_domain_remove(p->irq_domain);
pm_runtime_put(&pdev->dev);
pm_runtime_disable(&pdev->dev);
- return 0;
}
static int __maybe_unused intc_irqpin_suspend(struct device *dev)
@@ -585,11 +584,11 @@ static SIMPLE_DEV_PM_OPS(intc_irqpin_pm_ops, intc_irqpin_suspend, NULL);
static struct platform_driver intc_irqpin_device_driver = {
.probe = intc_irqpin_probe,
- .remove = intc_irqpin_remove,
+ .remove_new = intc_irqpin_remove,
.driver = {
- .name = "renesas_intc_irqpin",
- .of_match_table = intc_irqpin_dt_ids,
- .pm = &intc_irqpin_pm_ops,
+ .name = "renesas_intc_irqpin",
+ .of_match_table = intc_irqpin_dt_ids,
+ .pm = &intc_irqpin_pm_ops,
}
};
diff --git a/drivers/irqchip/irq-renesas-irqc.c b/drivers/irqchip/irq-renesas-irqc.c
index 49b446b396..76026e0b8e 100644
--- a/drivers/irqchip/irq-renesas-irqc.c
+++ b/drivers/irqchip/irq-renesas-irqc.c
@@ -218,14 +218,13 @@ err_runtime_pm_disable:
return ret;
}
-static int irqc_remove(struct platform_device *pdev)
+static void irqc_remove(struct platform_device *pdev)
{
struct irqc_priv *p = platform_get_drvdata(pdev);
irq_domain_remove(p->irq_domain);
pm_runtime_put(&pdev->dev);
pm_runtime_disable(&pdev->dev);
- return 0;
}
static int __maybe_unused irqc_suspend(struct device *dev)
@@ -248,11 +247,11 @@ MODULE_DEVICE_TABLE(of, irqc_dt_ids);
static struct platform_driver irqc_device_driver = {
.probe = irqc_probe,
- .remove = irqc_remove,
+ .remove_new = irqc_remove,
.driver = {
- .name = "renesas_irqc",
+ .name = "renesas_irqc",
.of_match_table = irqc_dt_ids,
- .pm = &irqc_pm_ops,
+ .pm = &irqc_pm_ops,
}
};
diff --git a/drivers/irqchip/irq-renesas-rza1.c b/drivers/irqchip/irq-renesas-rza1.c
index e4c99c2e03..f05afe82db 100644
--- a/drivers/irqchip/irq-renesas-rza1.c
+++ b/drivers/irqchip/irq-renesas-rza1.c
@@ -244,12 +244,11 @@ out_put_node:
return ret;
}
-static int rza1_irqc_remove(struct platform_device *pdev)
+static void rza1_irqc_remove(struct platform_device *pdev)
{
struct rza1_irqc_priv *priv = platform_get_drvdata(pdev);
irq_domain_remove(priv->irq_domain);
- return 0;
}
static const struct of_device_id rza1_irqc_dt_ids[] = {
@@ -260,9 +259,9 @@ MODULE_DEVICE_TABLE(of, rza1_irqc_dt_ids);
static struct platform_driver rza1_irqc_device_driver = {
.probe = rza1_irqc_probe,
- .remove = rza1_irqc_remove,
+ .remove_new = rza1_irqc_remove,
.driver = {
- .name = "renesas_rza1_irqc",
+ .name = "renesas_rza1_irqc",
.of_match_table = rza1_irqc_dt_ids,
}
};
diff --git a/drivers/irqchip/irq-renesas-rzg2l.c b/drivers/irqchip/irq-renesas-rzg2l.c
index 8803facbb3..ae67fec2ab 100644
--- a/drivers/irqchip/irq-renesas-rzg2l.c
+++ b/drivers/irqchip/irq-renesas-rzg2l.c
@@ -151,7 +151,7 @@ static void rzg2l_irqc_irq_disable(struct irq_data *d)
raw_spin_lock(&priv->lock);
reg = readl_relaxed(priv->base + TSSR(tssr_index));
- reg &= ~(TSSEL_MASK << TSSEL_SHIFT(tssr_offset));
+ reg &= ~(TIEN << TSSEL_SHIFT(tssr_offset));
writel_relaxed(reg, priv->base + TSSR(tssr_index));
raw_spin_unlock(&priv->lock);
}
@@ -163,7 +163,6 @@ static void rzg2l_irqc_irq_enable(struct irq_data *d)
unsigned int hw_irq = irqd_to_hwirq(d);
if (hw_irq >= IRQC_TINT_START && hw_irq < IRQC_NUM_IRQ) {
- unsigned long tint = (uintptr_t)irq_data_get_irq_chip_data(d);
struct rzg2l_irqc_priv *priv = irq_data_to_priv(d);
u32 offset = hw_irq - IRQC_TINT_START;
u32 tssr_offset = TSSR_OFFSET(offset);
@@ -172,7 +171,7 @@ static void rzg2l_irqc_irq_enable(struct irq_data *d)
raw_spin_lock(&priv->lock);
reg = readl_relaxed(priv->base + TSSR(tssr_index));
- reg |= (TIEN | tint) << TSSEL_SHIFT(tssr_offset);
+ reg |= TIEN << TSSEL_SHIFT(tssr_offset);
writel_relaxed(reg, priv->base + TSSR(tssr_index));
raw_spin_unlock(&priv->lock);
}
diff --git a/drivers/irqchip/irq-riscv-intc.c b/drivers/irqchip/irq-riscv-intc.c
index e8d01b14cc..9e71c44288 100644
--- a/drivers/irqchip/irq-riscv-intc.c
+++ b/drivers/irqchip/irq-riscv-intc.c
@@ -17,17 +17,29 @@
#include <linux/module.h>
#include <linux/of.h>
#include <linux/smp.h>
+#include <linux/soc/andes/irq.h>
+
+#include <asm/hwcap.h>
static struct irq_domain *intc_domain;
+static unsigned int riscv_intc_nr_irqs __ro_after_init = BITS_PER_LONG;
+static unsigned int riscv_intc_custom_base __ro_after_init = BITS_PER_LONG;
+static unsigned int riscv_intc_custom_nr_irqs __ro_after_init;
static asmlinkage void riscv_intc_irq(struct pt_regs *regs)
{
unsigned long cause = regs->cause & ~CAUSE_IRQ_FLAG;
- if (unlikely(cause >= BITS_PER_LONG))
- panic("unexpected interrupt cause");
+ if (generic_handle_domain_irq(intc_domain, cause))
+ pr_warn_ratelimited("Failed to handle interrupt (cause: %ld)\n", cause);
+}
+
+static asmlinkage void riscv_intc_aia_irq(struct pt_regs *regs)
+{
+ unsigned long topi;
- generic_handle_domain_irq(intc_domain, cause);
+ while ((topi = csr_read(CSR_TOPI)))
+ generic_handle_domain_irq(intc_domain, topi >> TOPI_IID_SHIFT);
}
/*
@@ -39,12 +51,43 @@ static asmlinkage void riscv_intc_irq(struct pt_regs *regs)
static void riscv_intc_irq_mask(struct irq_data *d)
{
- csr_clear(CSR_IE, BIT(d->hwirq));
+ if (IS_ENABLED(CONFIG_32BIT) && d->hwirq >= BITS_PER_LONG)
+ csr_clear(CSR_IEH, BIT(d->hwirq - BITS_PER_LONG));
+ else
+ csr_clear(CSR_IE, BIT(d->hwirq));
}
static void riscv_intc_irq_unmask(struct irq_data *d)
{
- csr_set(CSR_IE, BIT(d->hwirq));
+ if (IS_ENABLED(CONFIG_32BIT) && d->hwirq >= BITS_PER_LONG)
+ csr_set(CSR_IEH, BIT(d->hwirq - BITS_PER_LONG));
+ else
+ csr_set(CSR_IE, BIT(d->hwirq));
+}
+
+static void andes_intc_irq_mask(struct irq_data *d)
+{
+ /*
+ * Andes specific S-mode local interrupt causes (hwirq)
+ * are defined as (256 + n) and controlled by n-th bit
+ * of SLIE.
+ */
+ unsigned int mask = BIT(d->hwirq % BITS_PER_LONG);
+
+ if (d->hwirq < ANDES_SLI_CAUSE_BASE)
+ csr_clear(CSR_IE, mask);
+ else
+ csr_clear(ANDES_CSR_SLIE, mask);
+}
+
+static void andes_intc_irq_unmask(struct irq_data *d)
+{
+ unsigned int mask = BIT(d->hwirq % BITS_PER_LONG);
+
+ if (d->hwirq < ANDES_SLI_CAUSE_BASE)
+ csr_set(CSR_IE, mask);
+ else
+ csr_set(ANDES_CSR_SLIE, mask);
}
static void riscv_intc_irq_eoi(struct irq_data *d)
@@ -70,12 +113,21 @@ static struct irq_chip riscv_intc_chip = {
.irq_eoi = riscv_intc_irq_eoi,
};
+static struct irq_chip andes_intc_chip = {
+ .name = "RISC-V INTC",
+ .irq_mask = andes_intc_irq_mask,
+ .irq_unmask = andes_intc_irq_unmask,
+ .irq_eoi = riscv_intc_irq_eoi,
+};
+
static int riscv_intc_domain_map(struct irq_domain *d, unsigned int irq,
irq_hw_number_t hwirq)
{
+ struct irq_chip *chip = d->host_data;
+
irq_set_percpu_devid(irq);
- irq_domain_set_info(d, irq, hwirq, &riscv_intc_chip, d->host_data,
- handle_percpu_devid_irq, NULL, NULL);
+ irq_domain_set_info(d, irq, hwirq, chip, NULL, handle_percpu_devid_irq,
+ NULL, NULL);
return 0;
}
@@ -93,6 +145,15 @@ static int riscv_intc_domain_alloc(struct irq_domain *domain,
if (ret)
return ret;
+ /*
+ * Only allow hwirq for which we have corresponding standard or
+ * custom interrupt enable register.
+ */
+ if (hwirq >= riscv_intc_nr_irqs &&
+ (hwirq < riscv_intc_custom_base ||
+ hwirq >= riscv_intc_custom_base + riscv_intc_custom_nr_irqs))
+ return -EINVAL;
+
for (i = 0; i < nr_irqs; i++) {
ret = riscv_intc_domain_map(domain, virq + i, hwirq + i);
if (ret)
@@ -113,18 +174,22 @@ static struct fwnode_handle *riscv_intc_hwnode(void)
return intc_domain->fwnode;
}
-static int __init riscv_intc_init_common(struct fwnode_handle *fn)
+static int __init riscv_intc_init_common(struct fwnode_handle *fn, struct irq_chip *chip)
{
int rc;
- intc_domain = irq_domain_create_linear(fn, BITS_PER_LONG,
- &riscv_intc_domain_ops, NULL);
+ intc_domain = irq_domain_create_tree(fn, &riscv_intc_domain_ops, chip);
if (!intc_domain) {
pr_err("unable to add IRQ domain\n");
return -ENXIO;
}
- rc = set_handle_irq(&riscv_intc_irq);
+ if (riscv_isa_extension_available(NULL, SxAIA)) {
+ riscv_intc_nr_irqs = 64;
+ rc = set_handle_irq(&riscv_intc_aia_irq);
+ } else {
+ rc = set_handle_irq(&riscv_intc_irq);
+ }
if (rc) {
pr_err("failed to set irq handler\n");
return rc;
@@ -132,7 +197,11 @@ static int __init riscv_intc_init_common(struct fwnode_handle *fn)
riscv_set_intc_hwnode_fn(riscv_intc_hwnode);
- pr_info("%d local interrupts mapped\n", BITS_PER_LONG);
+ pr_info("%d local interrupts mapped%s\n",
+ riscv_intc_nr_irqs,
+ riscv_isa_extension_available(NULL, SxAIA) ? " using AIA" : "");
+ if (riscv_intc_custom_nr_irqs)
+ pr_info("%d custom local interrupts mapped\n", riscv_intc_custom_nr_irqs);
return 0;
}
@@ -140,8 +209,9 @@ static int __init riscv_intc_init_common(struct fwnode_handle *fn)
static int __init riscv_intc_init(struct device_node *node,
struct device_node *parent)
{
- int rc;
+ struct irq_chip *chip = &riscv_intc_chip;
unsigned long hartid;
+ int rc;
rc = riscv_of_parent_hartid(node, &hartid);
if (rc < 0) {
@@ -166,10 +236,17 @@ static int __init riscv_intc_init(struct device_node *node,
return 0;
}
- return riscv_intc_init_common(of_node_to_fwnode(node));
+ if (of_device_is_compatible(node, "andestech,cpu-intc")) {
+ riscv_intc_custom_base = ANDES_SLI_CAUSE_BASE;
+ riscv_intc_custom_nr_irqs = ANDES_RV_IRQ_LAST;
+ chip = &andes_intc_chip;
+ }
+
+ return riscv_intc_init_common(of_node_to_fwnode(node), chip);
}
IRQCHIP_DECLARE(riscv, "riscv,cpu-intc", riscv_intc_init);
+IRQCHIP_DECLARE(andes, "andestech,cpu-intc", riscv_intc_init);
#ifdef CONFIG_ACPI
@@ -196,7 +273,7 @@ static int __init riscv_intc_acpi_init(union acpi_subtable_headers *header,
return -ENOMEM;
}
- return riscv_intc_init_common(fn);
+ return riscv_intc_init_common(fn, &riscv_intc_chip);
}
IRQCHIP_ACPI_DECLARE(riscv_intc, ACPI_MADT_TYPE_RINTC, NULL,
diff --git a/drivers/irqchip/irq-sifive-plic.c b/drivers/irqchip/irq-sifive-plic.c
index bf0b40b0fa..f3d4cb9e34 100644
--- a/drivers/irqchip/irq-sifive-plic.c
+++ b/drivers/irqchip/irq-sifive-plic.c
@@ -3,7 +3,6 @@
* Copyright (C) 2017 SiFive
* Copyright (C) 2018 Christoph Hellwig
*/
-#define pr_fmt(fmt) "plic: " fmt
#include <linux/cpu.h>
#include <linux/interrupt.h>
#include <linux/io.h>
@@ -64,6 +63,7 @@
#define PLIC_QUIRK_EDGE_INTERRUPT 0
struct plic_priv {
+ struct device *dev;
struct cpumask lmask;
struct irq_domain *irqdomain;
void __iomem *regs;
@@ -103,9 +103,11 @@ static void __plic_toggle(void __iomem *enable_base, int hwirq, int enable)
static void plic_toggle(struct plic_handler *handler, int hwirq, int enable)
{
- raw_spin_lock(&handler->enable_lock);
+ unsigned long flags;
+
+ raw_spin_lock_irqsave(&handler->enable_lock, flags);
__plic_toggle(handler->enable_base, hwirq, enable);
- raw_spin_unlock(&handler->enable_lock);
+ raw_spin_unlock_irqrestore(&handler->enable_lock, flags);
}
static inline void plic_irq_toggle(const struct cpumask *mask,
@@ -242,6 +244,7 @@ static int plic_irq_set_type(struct irq_data *d, unsigned int type)
static int plic_irq_suspend(void)
{
unsigned int i, cpu;
+ unsigned long flags;
u32 __iomem *reg;
struct plic_priv *priv;
@@ -259,12 +262,12 @@ static int plic_irq_suspend(void)
if (!handler->present)
continue;
- raw_spin_lock(&handler->enable_lock);
+ raw_spin_lock_irqsave(&handler->enable_lock, flags);
for (i = 0; i < DIV_ROUND_UP(priv->nr_irqs, 32); i++) {
reg = handler->enable_base + i * sizeof(u32);
handler->enable_save[i] = readl(reg);
}
- raw_spin_unlock(&handler->enable_lock);
+ raw_spin_unlock_irqrestore(&handler->enable_lock, flags);
}
return 0;
@@ -273,6 +276,7 @@ static int plic_irq_suspend(void)
static void plic_irq_resume(void)
{
unsigned int i, index, cpu;
+ unsigned long flags;
u32 __iomem *reg;
struct plic_priv *priv;
@@ -290,12 +294,12 @@ static void plic_irq_resume(void)
if (!handler->present)
continue;
- raw_spin_lock(&handler->enable_lock);
+ raw_spin_lock_irqsave(&handler->enable_lock, flags);
for (i = 0; i < DIV_ROUND_UP(priv->nr_irqs, 32); i++) {
reg = handler->enable_base + i * sizeof(u32);
writel(handler->enable_save[i], reg);
}
- raw_spin_unlock(&handler->enable_lock);
+ raw_spin_unlock_irqrestore(&handler->enable_lock, flags);
}
}
@@ -376,9 +380,10 @@ static void plic_handle_irq(struct irq_desc *desc)
while ((hwirq = readl(claim))) {
int err = generic_handle_domain_irq(handler->priv->irqdomain,
hwirq);
- if (unlikely(err))
- pr_warn_ratelimited("can't find mapping for hwirq %lu\n",
- hwirq);
+ if (unlikely(err)) {
+ dev_warn_ratelimited(handler->priv->dev,
+ "can't find mapping for hwirq %lu\n", hwirq);
+ }
}
chained_irq_exit(chip, desc);
@@ -406,63 +411,122 @@ static int plic_starting_cpu(unsigned int cpu)
enable_percpu_irq(plic_parent_irq,
irq_get_trigger_type(plic_parent_irq));
else
- pr_warn("cpu%d: parent irq not available\n", cpu);
+ dev_warn(handler->priv->dev, "cpu%d: parent irq not available\n", cpu);
plic_set_threshold(handler, PLIC_ENABLE_THRESHOLD);
return 0;
}
-static int __init __plic_init(struct device_node *node,
- struct device_node *parent,
- unsigned long plic_quirks)
+static const struct of_device_id plic_match[] = {
+ { .compatible = "sifive,plic-1.0.0" },
+ { .compatible = "riscv,plic0" },
+ { .compatible = "andestech,nceplic100",
+ .data = (const void *)BIT(PLIC_QUIRK_EDGE_INTERRUPT) },
+ { .compatible = "thead,c900-plic",
+ .data = (const void *)BIT(PLIC_QUIRK_EDGE_INTERRUPT) },
+ {}
+};
+
+static int plic_parse_nr_irqs_and_contexts(struct platform_device *pdev,
+ u32 *nr_irqs, u32 *nr_contexts)
{
- int error = 0, nr_contexts, nr_handlers = 0, i;
- u32 nr_irqs;
- struct plic_priv *priv;
- struct plic_handler *handler;
- unsigned int cpu;
+ struct device *dev = &pdev->dev;
+ int rc;
- priv = kzalloc(sizeof(*priv), GFP_KERNEL);
- if (!priv)
- return -ENOMEM;
+ /*
+ * Currently, only OF fwnode is supported so extend this
+ * function for ACPI support.
+ */
+ if (!is_of_node(dev->fwnode))
+ return -EINVAL;
- priv->plic_quirks = plic_quirks;
+ rc = of_property_read_u32(to_of_node(dev->fwnode), "riscv,ndev", nr_irqs);
+ if (rc) {
+ dev_err(dev, "riscv,ndev property not available\n");
+ return rc;
+ }
- priv->regs = of_iomap(node, 0);
- if (WARN_ON(!priv->regs)) {
- error = -EIO;
- goto out_free_priv;
+ *nr_contexts = of_irq_count(to_of_node(dev->fwnode));
+ if (WARN_ON(!(*nr_contexts))) {
+ dev_err(dev, "no PLIC context available\n");
+ return -EINVAL;
}
- error = -EINVAL;
- of_property_read_u32(node, "riscv,ndev", &nr_irqs);
- if (WARN_ON(!nr_irqs))
- goto out_iounmap;
+ return 0;
+}
+
+static int plic_parse_context_parent(struct platform_device *pdev, u32 context,
+ u32 *parent_hwirq, int *parent_cpu)
+{
+ struct device *dev = &pdev->dev;
+ struct of_phandle_args parent;
+ unsigned long hartid;
+ int rc;
- priv->nr_irqs = nr_irqs;
+ /*
+ * Currently, only OF fwnode is supported so extend this
+ * function for ACPI support.
+ */
+ if (!is_of_node(dev->fwnode))
+ return -EINVAL;
- priv->prio_save = bitmap_alloc(nr_irqs, GFP_KERNEL);
- if (!priv->prio_save)
- goto out_free_priority_reg;
+ rc = of_irq_parse_one(to_of_node(dev->fwnode), context, &parent);
+ if (rc)
+ return rc;
- nr_contexts = of_irq_count(node);
- if (WARN_ON(!nr_contexts))
- goto out_free_priority_reg;
+ rc = riscv_of_parent_hartid(parent.np, &hartid);
+ if (rc)
+ return rc;
- error = -ENOMEM;
- priv->irqdomain = irq_domain_add_linear(node, nr_irqs + 1,
- &plic_irqdomain_ops, priv);
- if (WARN_ON(!priv->irqdomain))
- goto out_free_priority_reg;
+ *parent_hwirq = parent.args[0];
+ *parent_cpu = riscv_hartid_to_cpuid(hartid);
+ return 0;
+}
- for (i = 0; i < nr_contexts; i++) {
- struct of_phandle_args parent;
- irq_hw_number_t hwirq;
- int cpu;
- unsigned long hartid;
+static int plic_probe(struct platform_device *pdev)
+{
+ int error = 0, nr_contexts, nr_handlers = 0, cpu, i;
+ struct device *dev = &pdev->dev;
+ unsigned long plic_quirks = 0;
+ struct plic_handler *handler;
+ u32 nr_irqs, parent_hwirq;
+ struct irq_domain *domain;
+ struct plic_priv *priv;
+ irq_hw_number_t hwirq;
+ bool cpuhp_setup;
+
+ if (is_of_node(dev->fwnode)) {
+ const struct of_device_id *id;
+
+ id = of_match_node(plic_match, to_of_node(dev->fwnode));
+ if (id)
+ plic_quirks = (unsigned long)id->data;
+ }
+
+ error = plic_parse_nr_irqs_and_contexts(pdev, &nr_irqs, &nr_contexts);
+ if (error)
+ return error;
+
+ priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
+ if (!priv)
+ return -ENOMEM;
+
+ priv->dev = dev;
+ priv->plic_quirks = plic_quirks;
+ priv->nr_irqs = nr_irqs;
+
+ priv->regs = devm_platform_ioremap_resource(pdev, 0);
+ if (WARN_ON(!priv->regs))
+ return -EIO;
- if (of_irq_parse_one(node, i, &parent)) {
- pr_err("failed to parse parent for context %d.\n", i);
+ priv->prio_save = devm_bitmap_zalloc(dev, nr_irqs, GFP_KERNEL);
+ if (!priv->prio_save)
+ return -ENOMEM;
+
+ for (i = 0; i < nr_contexts; i++) {
+ error = plic_parse_context_parent(pdev, i, &parent_hwirq, &cpu);
+ if (error) {
+ dev_warn(dev, "hwirq for context%d not found\n", i);
continue;
}
@@ -470,7 +534,7 @@ static int __init __plic_init(struct device_node *node,
* Skip contexts other than external interrupts for our
* privilege level.
*/
- if (parent.args[0] != RV_IRQ_EXT) {
+ if (parent_hwirq != RV_IRQ_EXT) {
/* Disable S-mode enable bits if running in M-mode. */
if (IS_ENABLED(CONFIG_RISCV_M_MODE)) {
void __iomem *enable_base = priv->regs +
@@ -483,24 +547,17 @@ static int __init __plic_init(struct device_node *node,
continue;
}
- error = riscv_of_parent_hartid(parent.np, &hartid);
- if (error < 0) {
- pr_warn("failed to parse hart ID for context %d.\n", i);
- continue;
- }
-
- cpu = riscv_hartid_to_cpuid(hartid);
if (cpu < 0) {
- pr_warn("Invalid cpuid for context %d\n", i);
+ dev_warn(dev, "Invalid cpuid for context %d\n", i);
continue;
}
/* Find parent domain and register chained handler */
- if (!plic_parent_irq && irq_find_host(parent.np)) {
- plic_parent_irq = irq_of_parse_and_map(node, i);
+ domain = irq_find_matching_fwnode(riscv_get_intc_hwnode(), DOMAIN_BUS_ANY);
+ if (!plic_parent_irq && domain) {
+ plic_parent_irq = irq_create_mapping(domain, RV_IRQ_EXT);
if (plic_parent_irq)
- irq_set_chained_handler(plic_parent_irq,
- plic_handle_irq);
+ irq_set_chained_handler(plic_parent_irq, plic_handle_irq);
}
/*
@@ -510,7 +567,7 @@ static int __init __plic_init(struct device_node *node,
*/
handler = per_cpu_ptr(&plic_handlers, cpu);
if (handler->present) {
- pr_warn("handler already present for context %d.\n", i);
+ dev_warn(dev, "handler already present for context %d.\n", i);
plic_set_threshold(handler, PLIC_DISABLE_THRESHOLD);
goto done;
}
@@ -524,10 +581,10 @@ static int __init __plic_init(struct device_node *node,
i * CONTEXT_ENABLE_SIZE;
handler->priv = priv;
- handler->enable_save = kcalloc(DIV_ROUND_UP(nr_irqs, 32),
- sizeof(*handler->enable_save), GFP_KERNEL);
+ handler->enable_save = devm_kcalloc(dev, DIV_ROUND_UP(nr_irqs, 32),
+ sizeof(*handler->enable_save), GFP_KERNEL);
if (!handler->enable_save)
- goto out_free_enable_reg;
+ goto fail_cleanup_contexts;
done:
for (hwirq = 1; hwirq <= nr_irqs; hwirq++) {
plic_toggle(handler, hwirq, 0);
@@ -537,52 +594,60 @@ done:
nr_handlers++;
}
+ priv->irqdomain = irq_domain_add_linear(to_of_node(dev->fwnode), nr_irqs + 1,
+ &plic_irqdomain_ops, priv);
+ if (WARN_ON(!priv->irqdomain))
+ goto fail_cleanup_contexts;
+
/*
* We can have multiple PLIC instances so setup cpuhp state
- * and register syscore operations only when context handler
- * for current/boot CPU is present.
+ * and register syscore operations only once after context
+ * handlers of all online CPUs are initialized.
*/
- handler = this_cpu_ptr(&plic_handlers);
- if (handler->present && !plic_cpuhp_setup_done) {
- cpuhp_setup_state(CPUHP_AP_IRQ_SIFIVE_PLIC_STARTING,
- "irqchip/sifive/plic:starting",
- plic_starting_cpu, plic_dying_cpu);
- register_syscore_ops(&plic_irq_syscore_ops);
- plic_cpuhp_setup_done = true;
+ if (!plic_cpuhp_setup_done) {
+ cpuhp_setup = true;
+ for_each_online_cpu(cpu) {
+ handler = per_cpu_ptr(&plic_handlers, cpu);
+ if (!handler->present) {
+ cpuhp_setup = false;
+ break;
+ }
+ }
+ if (cpuhp_setup) {
+ cpuhp_setup_state(CPUHP_AP_IRQ_SIFIVE_PLIC_STARTING,
+ "irqchip/sifive/plic:starting",
+ plic_starting_cpu, plic_dying_cpu);
+ register_syscore_ops(&plic_irq_syscore_ops);
+ plic_cpuhp_setup_done = true;
+ }
}
- pr_info("%pOFP: mapped %d interrupts with %d handlers for"
- " %d contexts.\n", node, nr_irqs, nr_handlers, nr_contexts);
+ dev_info(dev, "mapped %d interrupts with %d handlers for %d contexts.\n",
+ nr_irqs, nr_handlers, nr_contexts);
return 0;
-out_free_enable_reg:
- for_each_cpu(cpu, cpu_present_mask) {
+fail_cleanup_contexts:
+ for (i = 0; i < nr_contexts; i++) {
+ if (plic_parse_context_parent(pdev, i, &parent_hwirq, &cpu))
+ continue;
+ if (parent_hwirq != RV_IRQ_EXT || cpu < 0)
+ continue;
+
handler = per_cpu_ptr(&plic_handlers, cpu);
- kfree(handler->enable_save);
+ handler->present = false;
+ handler->hart_base = NULL;
+ handler->enable_base = NULL;
+ handler->enable_save = NULL;
+ handler->priv = NULL;
}
-out_free_priority_reg:
- kfree(priv->prio_save);
-out_iounmap:
- iounmap(priv->regs);
-out_free_priv:
- kfree(priv);
- return error;
+ return -ENOMEM;
}
-static int __init plic_init(struct device_node *node,
- struct device_node *parent)
-{
- return __plic_init(node, parent, 0);
-}
-
-IRQCHIP_DECLARE(sifive_plic, "sifive,plic-1.0.0", plic_init);
-IRQCHIP_DECLARE(riscv_plic0, "riscv,plic0", plic_init); /* for legacy systems */
-
-static int __init plic_edge_init(struct device_node *node,
- struct device_node *parent)
-{
- return __plic_init(node, parent, BIT(PLIC_QUIRK_EDGE_INTERRUPT));
-}
-
-IRQCHIP_DECLARE(andestech_nceplic100, "andestech,nceplic100", plic_edge_init);
-IRQCHIP_DECLARE(thead_c900_plic, "thead,c900-plic", plic_edge_init);
+static struct platform_driver plic_driver = {
+ .driver = {
+ .name = "riscv-plic",
+ .of_match_table = plic_match,
+ },
+ .probe = plic_probe,
+};
+builtin_platform_driver(plic_driver);
diff --git a/drivers/irqchip/irq-starfive-jh8100-intc.c b/drivers/irqchip/irq-starfive-jh8100-intc.c
new file mode 100644
index 0000000000..0f5837176e
--- /dev/null
+++ b/drivers/irqchip/irq-starfive-jh8100-intc.c
@@ -0,0 +1,207 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * StarFive JH8100 External Interrupt Controller driver
+ *
+ * Copyright (C) 2023 StarFive Technology Co., Ltd.
+ *
+ * Author: Changhuang Liang <changhuang.liang@starfivetech.com>
+ */
+
+#define pr_fmt(fmt) "irq-starfive-jh8100: " fmt
+
+#include <linux/bitops.h>
+#include <linux/clk.h>
+#include <linux/irq.h>
+#include <linux/irqchip.h>
+#include <linux/irqchip/chained_irq.h>
+#include <linux/irqdomain.h>
+#include <linux/of_address.h>
+#include <linux/of_irq.h>
+#include <linux/reset.h>
+#include <linux/spinlock.h>
+
+#define STARFIVE_INTC_SRC0_CLEAR 0x10
+#define STARFIVE_INTC_SRC0_MASK 0x14
+#define STARFIVE_INTC_SRC0_INT 0x1c
+
+#define STARFIVE_INTC_SRC_IRQ_NUM 32
+
+struct starfive_irq_chip {
+ void __iomem *base;
+ struct irq_domain *domain;
+ raw_spinlock_t lock;
+};
+
+static void starfive_intc_bit_set(struct starfive_irq_chip *irqc,
+ u32 reg, u32 bit_mask)
+{
+ u32 value;
+
+ value = ioread32(irqc->base + reg);
+ value |= bit_mask;
+ iowrite32(value, irqc->base + reg);
+}
+
+static void starfive_intc_bit_clear(struct starfive_irq_chip *irqc,
+ u32 reg, u32 bit_mask)
+{
+ u32 value;
+
+ value = ioread32(irqc->base + reg);
+ value &= ~bit_mask;
+ iowrite32(value, irqc->base + reg);
+}
+
+static void starfive_intc_unmask(struct irq_data *d)
+{
+ struct starfive_irq_chip *irqc = irq_data_get_irq_chip_data(d);
+
+ raw_spin_lock(&irqc->lock);
+ starfive_intc_bit_clear(irqc, STARFIVE_INTC_SRC0_MASK, BIT(d->hwirq));
+ raw_spin_unlock(&irqc->lock);
+}
+
+static void starfive_intc_mask(struct irq_data *d)
+{
+ struct starfive_irq_chip *irqc = irq_data_get_irq_chip_data(d);
+
+ raw_spin_lock(&irqc->lock);
+ starfive_intc_bit_set(irqc, STARFIVE_INTC_SRC0_MASK, BIT(d->hwirq));
+ raw_spin_unlock(&irqc->lock);
+}
+
+static struct irq_chip intc_dev = {
+ .name = "StarFive JH8100 INTC",
+ .irq_unmask = starfive_intc_unmask,
+ .irq_mask = starfive_intc_mask,
+};
+
+static int starfive_intc_map(struct irq_domain *d, unsigned int irq,
+ irq_hw_number_t hwirq)
+{
+ irq_domain_set_info(d, irq, hwirq, &intc_dev, d->host_data,
+ handle_level_irq, NULL, NULL);
+
+ return 0;
+}
+
+static const struct irq_domain_ops starfive_intc_domain_ops = {
+ .xlate = irq_domain_xlate_onecell,
+ .map = starfive_intc_map,
+};
+
+static void starfive_intc_irq_handler(struct irq_desc *desc)
+{
+ struct starfive_irq_chip *irqc = irq_data_get_irq_handler_data(&desc->irq_data);
+ struct irq_chip *chip = irq_desc_get_chip(desc);
+ unsigned long value;
+ int hwirq;
+
+ chained_irq_enter(chip, desc);
+
+ value = ioread32(irqc->base + STARFIVE_INTC_SRC0_INT);
+ while (value) {
+ hwirq = ffs(value) - 1;
+
+ generic_handle_domain_irq(irqc->domain, hwirq);
+
+ starfive_intc_bit_set(irqc, STARFIVE_INTC_SRC0_CLEAR, BIT(hwirq));
+ starfive_intc_bit_clear(irqc, STARFIVE_INTC_SRC0_CLEAR, BIT(hwirq));
+
+ __clear_bit(hwirq, &value);
+ }
+
+ chained_irq_exit(chip, desc);
+}
+
+static int __init starfive_intc_init(struct device_node *intc,
+ struct device_node *parent)
+{
+ struct starfive_irq_chip *irqc;
+ struct reset_control *rst;
+ struct clk *clk;
+ int parent_irq;
+ int ret;
+
+ irqc = kzalloc(sizeof(*irqc), GFP_KERNEL);
+ if (!irqc)
+ return -ENOMEM;
+
+ irqc->base = of_iomap(intc, 0);
+ if (!irqc->base) {
+ pr_err("Unable to map registers\n");
+ ret = -ENXIO;
+ goto err_free;
+ }
+
+ rst = of_reset_control_get_exclusive(intc, NULL);
+ if (IS_ERR(rst)) {
+ pr_err("Unable to get reset control %pe\n", rst);
+ ret = PTR_ERR(rst);
+ goto err_unmap;
+ }
+
+ clk = of_clk_get(intc, 0);
+ if (IS_ERR(clk)) {
+ pr_err("Unable to get clock %pe\n", clk);
+ ret = PTR_ERR(clk);
+ goto err_reset_put;
+ }
+
+ ret = reset_control_deassert(rst);
+ if (ret)
+ goto err_clk_put;
+
+ ret = clk_prepare_enable(clk);
+ if (ret)
+ goto err_reset_assert;
+
+ raw_spin_lock_init(&irqc->lock);
+
+ irqc->domain = irq_domain_add_linear(intc, STARFIVE_INTC_SRC_IRQ_NUM,
+ &starfive_intc_domain_ops, irqc);
+ if (!irqc->domain) {
+ pr_err("Unable to create IRQ domain\n");
+ ret = -EINVAL;
+ goto err_clk_disable;
+ }
+
+ parent_irq = of_irq_get(intc, 0);
+ if (parent_irq < 0) {
+ pr_err("Failed to get main IRQ: %d\n", parent_irq);
+ ret = parent_irq;
+ goto err_remove_domain;
+ }
+
+ irq_set_chained_handler_and_data(parent_irq, starfive_intc_irq_handler,
+ irqc);
+
+ pr_info("Interrupt controller register, nr_irqs %d\n",
+ STARFIVE_INTC_SRC_IRQ_NUM);
+
+ return 0;
+
+err_remove_domain:
+ irq_domain_remove(irqc->domain);
+err_clk_disable:
+ clk_disable_unprepare(clk);
+err_reset_assert:
+ reset_control_assert(rst);
+err_clk_put:
+ clk_put(clk);
+err_reset_put:
+ reset_control_put(rst);
+err_unmap:
+ iounmap(irqc->base);
+err_free:
+ kfree(irqc);
+ return ret;
+}
+
+IRQCHIP_PLATFORM_DRIVER_BEGIN(starfive_intc)
+IRQCHIP_MATCH("starfive,jh8100-intc", starfive_intc_init)
+IRQCHIP_PLATFORM_DRIVER_END(starfive_intc)
+
+MODULE_DESCRIPTION("StarFive JH8100 External Interrupt Controller");
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Changhuang Liang <changhuang.liang@starfivetech.com>");
diff --git a/drivers/irqchip/irq-stm32-exti.c b/drivers/irqchip/irq-stm32-exti.c
index 971240e2e3..26a5193d0a 100644
--- a/drivers/irqchip/irq-stm32-exti.c
+++ b/drivers/irqchip/irq-stm32-exti.c
@@ -898,10 +898,9 @@ static void stm32_exti_remove_irq(void *data)
irq_domain_remove(domain);
}
-static int stm32_exti_remove(struct platform_device *pdev)
+static void stm32_exti_remove(struct platform_device *pdev)
{
stm32_exti_h_syscore_deinit();
- return 0;
}
static int stm32_exti_probe(struct platform_device *pdev)
@@ -991,10 +990,10 @@ MODULE_DEVICE_TABLE(of, stm32_exti_ids);
static struct platform_driver stm32_exti_driver = {
.probe = stm32_exti_probe,
- .remove = stm32_exti_remove,
+ .remove_new = stm32_exti_remove,
.driver = {
- .name = "stm32_exti",
- .of_match_table = stm32_exti_ids,
+ .name = "stm32_exti",
+ .of_match_table = stm32_exti_ids,
},
};
diff --git a/drivers/irqchip/irq-ts4800.c b/drivers/irqchip/irq-ts4800.c
index b2d61d4f6f..57f610dab6 100644
--- a/drivers/irqchip/irq-ts4800.c
+++ b/drivers/irqchip/irq-ts4800.c
@@ -139,13 +139,11 @@ static int ts4800_ic_probe(struct platform_device *pdev)
return 0;
}
-static int ts4800_ic_remove(struct platform_device *pdev)
+static void ts4800_ic_remove(struct platform_device *pdev)
{
struct ts4800_irq_data *data = platform_get_drvdata(pdev);
irq_domain_remove(data->domain);
-
- return 0;
}
static const struct of_device_id ts4800_ic_of_match[] = {
@@ -155,11 +153,11 @@ static const struct of_device_id ts4800_ic_of_match[] = {
MODULE_DEVICE_TABLE(of, ts4800_ic_of_match);
static struct platform_driver ts4800_ic_driver = {
- .probe = ts4800_ic_probe,
- .remove = ts4800_ic_remove,
+ .probe = ts4800_ic_probe,
+ .remove_new = ts4800_ic_remove,
.driver = {
- .name = "ts4800-irqc",
- .of_match_table = ts4800_ic_of_match,
+ .name = "ts4800-irqc",
+ .of_match_table = ts4800_ic_of_match,
},
};
module_platform_driver(ts4800_ic_driver);
diff --git a/drivers/irqchip/irq-vic.c b/drivers/irqchip/irq-vic.c
index 9e3d5561e0..ea93e7236c 100644
--- a/drivers/irqchip/irq-vic.c
+++ b/drivers/irqchip/irq-vic.c
@@ -47,9 +47,8 @@
/**
* struct vic_device - VIC PM device
- * @parent_irq: The parent IRQ number of the VIC if cascaded, or 0.
- * @irq: The IRQ number for the base of the VIC.
* @base: The register base for the VIC.
+ * @irq: The IRQ number for the base of the VIC.
* @valid_sources: A bitmask of valid interrupts
* @resume_sources: A bitmask of interrupts for resume.
* @resume_irqs: The IRQs enabled for resume.