summaryrefslogtreecommitdiff
path: root/drivers/irqchip
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/irqchip')
-rw-r--r--drivers/irqchip/irq-bcm7038-l1.c8
-rw-r--r--drivers/irqchip/irq-gic-v3-its.c19
-rw-r--r--drivers/irqchip/irq-loongson-htvec.c10
-rw-r--r--drivers/irqchip/irq-loongson-liointc.c11
-rw-r--r--drivers/irqchip/irq-loongson-pch-pic.c30
-rw-r--r--drivers/irqchip/irq-mtk-sysirq.c8
-rw-r--r--drivers/irqchip/irq-ti-sci-inta.c2
7 files changed, 53 insertions, 35 deletions
diff --git a/drivers/irqchip/irq-bcm7038-l1.c b/drivers/irqchip/irq-bcm7038-l1.c
index fd7c537fb42a..4127eeab10af 100644
--- a/drivers/irqchip/irq-bcm7038-l1.c
+++ b/drivers/irqchip/irq-bcm7038-l1.c
@@ -327,7 +327,11 @@ static int bcm7038_l1_suspend(void)
u32 val;
/* Wakeup interrupt should only come from the boot cpu */
+#ifdef CONFIG_SMP
boot_cpu = cpu_logical_map(0);
+#else
+ boot_cpu = 0;
+#endif
list_for_each_entry(intc, &bcm7038_l1_intcs_list, list) {
for (word = 0; word < intc->n_words; word++) {
@@ -347,7 +351,11 @@ static void bcm7038_l1_resume(void)
struct bcm7038_l1_chip *intc;
int boot_cpu, word;
+#ifdef CONFIG_SMP
boot_cpu = cpu_logical_map(0);
+#else
+ boot_cpu = 0;
+#endif
list_for_each_entry(intc, &bcm7038_l1_intcs_list, list) {
for (word = 0; word < intc->n_words; word++) {
diff --git a/drivers/irqchip/irq-gic-v3-its.c b/drivers/irqchip/irq-gic-v3-its.c
index beac4caefad9..95f097448f97 100644
--- a/drivers/irqchip/irq-gic-v3-its.c
+++ b/drivers/irqchip/irq-gic-v3-its.c
@@ -2814,7 +2814,7 @@ static int allocate_vpe_l1_table(void)
if (val & GICR_VPROPBASER_4_1_VALID)
goto out;
- gic_data_rdist()->vpe_table_mask = kzalloc(sizeof(cpumask_t), GFP_KERNEL);
+ gic_data_rdist()->vpe_table_mask = kzalloc(sizeof(cpumask_t), GFP_ATOMIC);
if (!gic_data_rdist()->vpe_table_mask)
return -ENOMEM;
@@ -2881,7 +2881,7 @@ static int allocate_vpe_l1_table(void)
pr_debug("np = %d, npg = %lld, psz = %d, epp = %d, esz = %d\n",
np, npg, psz, epp, esz);
- page = alloc_pages(GFP_KERNEL | __GFP_ZERO, get_order(np * PAGE_SIZE));
+ page = alloc_pages(GFP_ATOMIC | __GFP_ZERO, get_order(np * PAGE_SIZE));
if (!page)
return -ENOMEM;
@@ -3523,6 +3523,7 @@ static int its_irq_domain_alloc(struct irq_domain *domain, unsigned int virq,
msi_alloc_info_t *info = args;
struct its_device *its_dev = info->scratchpad[0].ptr;
struct its_node *its = its_dev->its;
+ struct irq_data *irqd;
irq_hw_number_t hwirq;
int err;
int i;
@@ -3542,7 +3543,9 @@ static int its_irq_domain_alloc(struct irq_domain *domain, unsigned int virq,
irq_domain_set_hwirq_and_chip(domain, virq + i,
hwirq + i, &its_irq_chip, its_dev);
- irqd_set_single_target(irq_desc_get_irq_data(irq_to_desc(virq + i)));
+ irqd = irq_get_irq_data(virq + i);
+ irqd_set_single_target(irqd);
+ irqd_set_affinity_on_activate(irqd);
pr_debug("ID:%d pID:%d vID:%d\n",
(int)(hwirq + i - its_dev->event_map.lpi_base),
(int)(hwirq + i), virq + i);
@@ -4087,18 +4090,22 @@ static void its_vpe_4_1_deschedule(struct its_vpe *vpe,
static void its_vpe_4_1_invall(struct its_vpe *vpe)
{
void __iomem *rdbase;
+ unsigned long flags;
u64 val;
+ int cpu;
val = GICR_INVALLR_V;
val |= FIELD_PREP(GICR_INVALLR_VPEID, vpe->vpe_id);
/* Target the redistributor this vPE is currently known on */
- raw_spin_lock(&gic_data_rdist_cpu(vpe->col_idx)->rd_lock);
- rdbase = per_cpu_ptr(gic_rdists->rdist, vpe->col_idx)->rd_base;
+ cpu = vpe_to_cpuid_lock(vpe, &flags);
+ raw_spin_lock(&gic_data_rdist_cpu(cpu)->rd_lock);
+ rdbase = per_cpu_ptr(gic_rdists->rdist, cpu)->rd_base;
gic_write_lpir(val, rdbase + GICR_INVALLR);
wait_for_syncr(rdbase);
- raw_spin_unlock(&gic_data_rdist_cpu(vpe->col_idx)->rd_lock);
+ raw_spin_unlock(&gic_data_rdist_cpu(cpu)->rd_lock);
+ vpe_to_cpuid_unlock(vpe, flags);
}
static int its_vpe_4_1_set_vcpu_affinity(struct irq_data *d, void *vcpu_info)
diff --git a/drivers/irqchip/irq-loongson-htvec.c b/drivers/irqchip/irq-loongson-htvec.c
index 1ece9337c78d..720cf96ae90e 100644
--- a/drivers/irqchip/irq-loongson-htvec.c
+++ b/drivers/irqchip/irq-loongson-htvec.c
@@ -109,11 +109,14 @@ static struct irq_chip htvec_irq_chip = {
static int htvec_domain_alloc(struct irq_domain *domain, unsigned int virq,
unsigned int nr_irqs, void *arg)
{
+ int ret;
unsigned long hwirq;
unsigned int type, i;
struct htvec *priv = domain->host_data;
- irq_domain_translate_onecell(domain, arg, &hwirq, &type);
+ ret = irq_domain_translate_onecell(domain, arg, &hwirq, &type);
+ if (ret)
+ return ret;
for (i = 0; i < nr_irqs; i++) {
irq_domain_set_info(domain, virq + i, hwirq + i, &htvec_irq_chip,
@@ -192,7 +195,7 @@ static int htvec_of_init(struct device_node *node,
if (!priv->htvec_domain) {
pr_err("Failed to create IRQ domain\n");
err = -ENOMEM;
- goto iounmap_base;
+ goto irq_dispose;
}
htvec_reset(priv);
@@ -203,6 +206,9 @@ static int htvec_of_init(struct device_node *node,
return 0;
+irq_dispose:
+ for (; i > 0; i--)
+ irq_dispose_mapping(parent_irq[i - 1]);
iounmap_base:
iounmap(priv->base);
free_priv:
diff --git a/drivers/irqchip/irq-loongson-liointc.c b/drivers/irqchip/irq-loongson-liointc.c
index 63b61474a0cc..9ed1bc473663 100644
--- a/drivers/irqchip/irq-loongson-liointc.c
+++ b/drivers/irqchip/irq-loongson-liointc.c
@@ -60,7 +60,7 @@ static void liointc_chained_handle_irq(struct irq_desc *desc)
if (!pending) {
/* Always blame LPC IRQ if we have that bug */
if (handler->priv->has_lpc_irq_errata &&
- (handler->parent_int_map & ~gc->mask_cache &
+ (handler->parent_int_map & gc->mask_cache &
BIT(LIOINTC_ERRATA_IRQ)))
pending = BIT(LIOINTC_ERRATA_IRQ);
else
@@ -114,6 +114,7 @@ static int liointc_set_type(struct irq_data *data, unsigned int type)
liointc_set_bit(gc, LIOINTC_REG_INTC_POL, mask, false);
break;
default:
+ irq_gc_unlock_irqrestore(gc, flags);
return -EINVAL;
}
irq_gc_unlock_irqrestore(gc, flags);
@@ -131,11 +132,11 @@ static void liointc_resume(struct irq_chip_generic *gc)
irq_gc_lock_irqsave(gc, flags);
/* Disable all at first */
writel(0xffffffff, gc->reg_base + LIOINTC_REG_INTC_DISABLE);
- /* Revert map cache */
+ /* Restore map cache */
for (i = 0; i < LIOINTC_CHIP_IRQ; i++)
writeb(priv->map_cache[i], gc->reg_base + i);
- /* Revert mask cache */
- writel(~gc->mask_cache, gc->reg_base + LIOINTC_REG_INTC_ENABLE);
+ /* Restore mask cache */
+ writel(gc->mask_cache, gc->reg_base + LIOINTC_REG_INTC_ENABLE);
irq_gc_unlock_irqrestore(gc, flags);
}
@@ -243,7 +244,7 @@ int __init liointc_of_init(struct device_node *node,
ct->chip.irq_mask_ack = irq_gc_mask_disable_reg;
ct->chip.irq_set_type = liointc_set_type;
- gc->mask_cache = 0xffffffff;
+ gc->mask_cache = 0;
priv->gc = gc;
for (i = 0; i < LIOINTC_NUM_PARENT; i++) {
diff --git a/drivers/irqchip/irq-loongson-pch-pic.c b/drivers/irqchip/irq-loongson-pch-pic.c
index 2a05b9305012..9bf6b9a5f734 100644
--- a/drivers/irqchip/irq-loongson-pch-pic.c
+++ b/drivers/irqchip/irq-loongson-pch-pic.c
@@ -64,15 +64,6 @@ static void pch_pic_bitclr(struct pch_pic *priv, int offset, int bit)
raw_spin_unlock(&priv->pic_lock);
}
-static void pch_pic_eoi_irq(struct irq_data *d)
-{
- u32 idx = PIC_REG_IDX(d->hwirq);
- struct pch_pic *priv = irq_data_get_irq_chip_data(d);
-
- writel(BIT(PIC_REG_BIT(d->hwirq)),
- priv->base + PCH_PIC_CLR + idx * 4);
-}
-
static void pch_pic_mask_irq(struct irq_data *d)
{
struct pch_pic *priv = irq_data_get_irq_chip_data(d);
@@ -85,6 +76,9 @@ static void pch_pic_unmask_irq(struct irq_data *d)
{
struct pch_pic *priv = irq_data_get_irq_chip_data(d);
+ writel(BIT(PIC_REG_BIT(d->hwirq)),
+ priv->base + PCH_PIC_CLR + PIC_REG_IDX(d->hwirq) * 4);
+
irq_chip_unmask_parent(d);
pch_pic_bitclr(priv, PCH_PIC_MASK, d->hwirq);
}
@@ -124,7 +118,6 @@ static struct irq_chip pch_pic_irq_chip = {
.irq_mask = pch_pic_mask_irq,
.irq_unmask = pch_pic_unmask_irq,
.irq_ack = irq_chip_ack_parent,
- .irq_eoi = pch_pic_eoi_irq,
.irq_set_affinity = irq_chip_set_affinity_parent,
.irq_set_type = pch_pic_set_type,
};
@@ -135,22 +128,25 @@ static int pch_pic_alloc(struct irq_domain *domain, unsigned int virq,
int err;
unsigned int type;
unsigned long hwirq;
- struct irq_fwspec fwspec;
+ struct irq_fwspec *fwspec = arg;
+ struct irq_fwspec parent_fwspec;
struct pch_pic *priv = domain->host_data;
- irq_domain_translate_twocell(domain, arg, &hwirq, &type);
+ err = irq_domain_translate_twocell(domain, fwspec, &hwirq, &type);
+ if (err)
+ return err;
- fwspec.fwnode = domain->parent->fwnode;
- fwspec.param_count = 1;
- fwspec.param[0] = hwirq + priv->ht_vec_base;
+ parent_fwspec.fwnode = domain->parent->fwnode;
+ parent_fwspec.param_count = 1;
+ parent_fwspec.param[0] = hwirq + priv->ht_vec_base;
- err = irq_domain_alloc_irqs_parent(domain, virq, 1, &fwspec);
+ err = irq_domain_alloc_irqs_parent(domain, virq, 1, &parent_fwspec);
if (err)
return err;
irq_domain_set_info(domain, virq, hwirq,
&pch_pic_irq_chip, priv,
- handle_fasteoi_ack_irq, NULL, NULL);
+ handle_level_irq, NULL, NULL);
irq_set_probe(virq);
return 0;
diff --git a/drivers/irqchip/irq-mtk-sysirq.c b/drivers/irqchip/irq-mtk-sysirq.c
index 73eae5966a40..6ff98b87e5c0 100644
--- a/drivers/irqchip/irq-mtk-sysirq.c
+++ b/drivers/irqchip/irq-mtk-sysirq.c
@@ -15,7 +15,7 @@
#include <linux/spinlock.h>
struct mtk_sysirq_chip_data {
- spinlock_t lock;
+ raw_spinlock_t lock;
u32 nr_intpol_bases;
void __iomem **intpol_bases;
u32 *intpol_words;
@@ -37,7 +37,7 @@ static int mtk_sysirq_set_type(struct irq_data *data, unsigned int type)
reg_index = chip_data->which_word[hwirq];
offset = hwirq & 0x1f;
- spin_lock_irqsave(&chip_data->lock, flags);
+ raw_spin_lock_irqsave(&chip_data->lock, flags);
value = readl_relaxed(base + reg_index * 4);
if (type == IRQ_TYPE_LEVEL_LOW || type == IRQ_TYPE_EDGE_FALLING) {
if (type == IRQ_TYPE_LEVEL_LOW)
@@ -53,7 +53,7 @@ static int mtk_sysirq_set_type(struct irq_data *data, unsigned int type)
data = data->parent_data;
ret = data->chip->irq_set_type(data, type);
- spin_unlock_irqrestore(&chip_data->lock, flags);
+ raw_spin_unlock_irqrestore(&chip_data->lock, flags);
return ret;
}
@@ -212,7 +212,7 @@ static int __init mtk_sysirq_of_init(struct device_node *node,
ret = -ENOMEM;
goto out_free_which_word;
}
- spin_lock_init(&chip_data->lock);
+ raw_spin_lock_init(&chip_data->lock);
return 0;
diff --git a/drivers/irqchip/irq-ti-sci-inta.c b/drivers/irqchip/irq-ti-sci-inta.c
index 7e3ebf6ed2cd..be0a35d91796 100644
--- a/drivers/irqchip/irq-ti-sci-inta.c
+++ b/drivers/irqchip/irq-ti-sci-inta.c
@@ -572,7 +572,7 @@ static int ti_sci_inta_irq_domain_probe(struct platform_device *pdev)
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
inta->base = devm_ioremap_resource(dev, res);
if (IS_ERR(inta->base))
- return -ENODEV;
+ return PTR_ERR(inta->base);
domain = irq_domain_add_linear(dev_of_node(dev),
ti_sci_get_num_resources(inta->vint),