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irqchip core changes for v4.8

Browse source 
- bcm283x avoid handle_IRQ
 
  - misc
    - Fix sparse warnings on __iomem
    - Fix static functions
    - Fix missing includes
    - Replace __raw IO accessors to support big endian
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Merge tag 'irqchip-core-4.8' of git://git.infradead.org/users/jcooper/linux into irq/core

Pull irqchip core changes from Jason Cooper:

 - bcm283x avoid handle_IRQ
 - Fix sparse warnings on __iomem
 - Fix static functions
 - Fix missing includes
 - Replace __raw IO accessors to support big endian
This commit is contained in:
Thomas Gleixner 2016-06-23 21:35:29 +02:00
commit 6589c1caa7
12 changed files with 53 additions and 45 deletions
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14
drivers/irqchip/exynos-combiner.c
View file

@ -55,14 +55,14 @@ static void combiner_mask_irq(struct irq_data *data)
{
u32 mask = 1 << (data->hwirq % 32);
__raw_writel(mask, combiner_base(data) + COMBINER_ENABLE_CLEAR);
writel_relaxed(mask, combiner_base(data) + COMBINER_ENABLE_CLEAR);
}
static void combiner_unmask_irq(struct irq_data *data)
{
u32 mask = 1 << (data->hwirq % 32);
__raw_writel(mask, combiner_base(data) + COMBINER_ENABLE_SET);
writel_relaxed(mask, combiner_base(data) + COMBINER_ENABLE_SET);
}
static void combiner_handle_cascade_irq(struct irq_desc *desc)
@ -75,7 +75,7 @@ static void combiner_handle_cascade_irq(struct irq_desc *desc)
chained_irq_enter(chip, desc);
spin_lock(&irq_controller_lock);
status = __raw_readl(chip_data->base + COMBINER_INT_STATUS);
status = readl_relaxed(chip_data->base + COMBINER_INT_STATUS);
spin_unlock(&irq_controller_lock);
status &= chip_data->irq_mask;
@ -135,7 +135,7 @@ static void __init combiner_init_one(struct combiner_chip_data *combiner_data,
combiner_data->parent_irq = irq;
/* Disable all interrupts */
__raw_writel(combiner_data->irq_mask, base + COMBINER_ENABLE_CLEAR);
writel_relaxed(combiner_data->irq_mask, base + COMBINER_ENABLE_CLEAR);
}
static int combiner_irq_domain_xlate(struct irq_domain *d,
@ -218,7 +218,7 @@ static int combiner_suspend(void)
for (i = 0; i < max_nr; i++)
combiner_data[i].pm_save =
__raw_readl(combiner_data[i].base + COMBINER_ENABLE_SET);
readl_relaxed(combiner_data[i].base + COMBINER_ENABLE_SET);
return 0;
}
@ -235,9 +235,9 @@ static void combiner_resume(void)
int i;
for (i = 0; i < max_nr; i++) {
__raw_writel(combiner_data[i].irq_mask,
writel_relaxed(combiner_data[i].irq_mask,
combiner_data[i].base + COMBINER_ENABLE_CLEAR);
__raw_writel(combiner_data[i].pm_save,
writel_relaxed(combiner_data[i].pm_save,
combiner_data[i].base + COMBINER_ENABLE_SET);
}
}

2
drivers/irqchip/irq-armada-370-xp.c
View file

@ -541,7 +541,7 @@ static void armada_370_xp_mpic_resume(void)
writel(1, per_cpu_int_base + ARMADA_370_XP_INT_CLEAR_MASK_OFFS);
}
struct syscore_ops armada_370_xp_mpic_syscore_ops = {
static struct syscore_ops armada_370_xp_mpic_syscore_ops = {
.suspend = armada_370_xp_mpic_suspend,
.resume = armada_370_xp_mpic_resume,
};

3
drivers/irqchip/irq-bcm2835.c
View file

@ -52,7 +52,6 @@
#include <linux/irqdomain.h>
#include <asm/exception.h>
#include <asm/mach/irq.h>
/* Put the bank and irq (32 bits) into the hwirq */
#define MAKE_HWIRQ(b, n) ((b << 5) | (n))
@ -242,7 +241,7 @@ static void __exception_irq_entry bcm2835_handle_irq(
u32 hwirq;
while ((hwirq = get_next_armctrl_hwirq()) != ~0)
handle_IRQ(irq_linear_revmap(intc.domain, hwirq), regs);
handle_domain_irq(intc.domain, hwirq, regs);
}
static void bcm2836_chained_handle_irq(struct irq_desc *desc)

6
drivers/irqchip/irq-bcm2836.c
View file

@ -180,7 +180,7 @@ __exception_irq_entry bcm2836_arm_irqchip_handle_irq(struct pt_regs *regs)
} else if (stat) {
u32 hwirq = ffs(stat) - 1;
handle_IRQ(irq_linear_revmap(intc.domain, hwirq), regs);
handle_domain_irq(intc.domain, hwirq, regs);
}
}
@ -224,8 +224,8 @@ static struct notifier_block bcm2836_arm_irqchip_cpu_notifier = {
};
#ifdef CONFIG_ARM
int __init bcm2836_smp_boot_secondary(unsigned int cpu,
struct task_struct *idle)
static int __init bcm2836_smp_boot_secondary(unsigned int cpu,
struct task_struct *idle)
{
unsigned long secondary_startup_phys =
(unsigned long)virt_to_phys((void *)secondary_startup);

10
drivers/irqchip/irq-bcm7120-l2.c
View file

@ -215,7 +215,7 @@ static int __init bcm7120_l2_intc_iomap_3380(struct device_node *dn,
return 0;
}
int __init bcm7120_l2_intc_probe(struct device_node *dn,
static int __init bcm7120_l2_intc_probe(struct device_node *dn,
struct device_node *parent,
int (*iomap_regs_fn)(struct device_node *,
struct bcm7120_l2_intc_data *),
@ -339,15 +339,15 @@ int __init bcm7120_l2_intc_probe(struct device_node *dn,
return ret;
}
int __init bcm7120_l2_intc_probe_7120(struct device_node *dn,
struct device_node *parent)
static int __init bcm7120_l2_intc_probe_7120(struct device_node *dn,
struct device_node *parent)
{
return bcm7120_l2_intc_probe(dn, parent, bcm7120_l2_intc_iomap_7120,
"BCM7120 L2");
}
int __init bcm7120_l2_intc_probe_3380(struct device_node *dn,
struct device_node *parent)
static int __init bcm7120_l2_intc_probe_3380(struct device_node *dn,
struct device_node *parent)
{
return bcm7120_l2_intc_probe(dn, parent, bcm7120_l2_intc_iomap_3380,
"BCM3380 L2");

4
drivers/irqchip/irq-brcmstb-l2.c
View file

@ -112,8 +112,8 @@ static void brcmstb_l2_intc_resume(struct irq_data *d)
irq_gc_unlock(gc);
}
int __init brcmstb_l2_intc_of_init(struct device_node *np,
struct device_node *parent)
static int __init brcmstb_l2_intc_of_init(struct device_node *np,
struct device_node *parent)
{
unsigned int clr = IRQ_NOREQUEST | IRQ_NOPROBE | IRQ_NOAUTOEN;
struct brcmstb_l2_intc_data *data;

1
drivers/irqchip/irq-gic-v2m.c
View file

@ -24,6 +24,7 @@
#include <linux/of_pci.h>
#include <linux/slab.h>
#include <linux/spinlock.h>
#include <linux/irqchip/arm-gic.h>
/*
* MSI_TYPER:

2
drivers/irqchip/irq-omap-intc.c
View file

@ -23,6 +23,8 @@
#include <linux/of_address.h>
#include <linux/of_irq.h>
#include <linux/irqchip/irq-omap-intc.h>
/* Define these here for now until we drop all board-files */
#define OMAP24XX_IC_BASE 0x480fe000
#define OMAP34XX_IC_BASE 0x48200000

36
drivers/irqchip/irq-s3c24xx.c
View file

@ -92,9 +92,9 @@ static void s3c_irq_mask(struct irq_data *data)
unsigned long mask;
unsigned int irqno;
mask = __raw_readl(intc->reg_mask);
mask = readl_relaxed(intc->reg_mask);
mask |= (1UL << irq_data->offset);
__raw_writel(mask, intc->reg_mask);
writel_relaxed(mask, intc->reg_mask);
if (parent_intc) {
parent_data = &parent_intc->irqs[irq_data->parent_irq];
@ -119,9 +119,9 @@ static void s3c_irq_unmask(struct irq_data *data)
unsigned long mask;
unsigned int irqno;
mask = __raw_readl(intc->reg_mask);
mask = readl_relaxed(intc->reg_mask);
mask &= ~(1UL << irq_data->offset);
__raw_writel(mask, intc->reg_mask);
writel_relaxed(mask, intc->reg_mask);
if (parent_intc) {
irqno = irq_find_mapping(parent_intc->domain,
@ -136,9 +136,9 @@ static inline void s3c_irq_ack(struct irq_data *data)
struct s3c_irq_intc *intc = irq_data->intc;
unsigned long bitval = 1UL << irq_data->offset;
__raw_writel(bitval, intc->reg_pending);
writel_relaxed(bitval, intc->reg_pending);
if (intc->reg_intpnd)
__raw_writel(bitval, intc->reg_intpnd);
writel_relaxed(bitval, intc->reg_intpnd);
}
static int s3c_irq_type(struct irq_data *data, unsigned int type)
@ -172,9 +172,9 @@ static int s3c_irqext_type_set(void __iomem *gpcon_reg,
unsigned long newvalue = 0, value;
/* Set the GPIO to external interrupt mode */
value = __raw_readl(gpcon_reg);
value = readl_relaxed(gpcon_reg);
value = (value & ~(3 << gpcon_offset)) | (0x02 << gpcon_offset);
__raw_writel(value, gpcon_reg);
writel_relaxed(value, gpcon_reg);
/* Set the external interrupt to pointed trigger type */
switch (type)
@ -208,9 +208,9 @@ static int s3c_irqext_type_set(void __iomem *gpcon_reg,
return -EINVAL;
}
value = __raw_readl(extint_reg);
value = readl_relaxed(extint_reg);
value = (value & ~(7 << extint_offset)) | (newvalue << extint_offset);
__raw_writel(value, extint_reg);
writel_relaxed(value, extint_reg);
return 0;
}
@ -315,8 +315,8 @@ static void s3c_irq_demux(struct irq_desc *desc)
chained_irq_enter(chip, desc);
src = __raw_readl(sub_intc->reg_pending);
msk = __raw_readl(sub_intc->reg_mask);
src = readl_relaxed(sub_intc->reg_pending);
msk = readl_relaxed(sub_intc->reg_mask);
src &= ~msk;
src &= irq_data->sub_bits;
@ -337,7 +337,7 @@ static inline int s3c24xx_handle_intc(struct s3c_irq_intc *intc,
int pnd;
int offset;
pnd = __raw_readl(intc->reg_intpnd);
pnd = readl_relaxed(intc->reg_intpnd);
if (!pnd)
return false;
@ -352,7 +352,7 @@ static inline int s3c24xx_handle_intc(struct s3c_irq_intc *intc,
*
* Thanks to Klaus, Shannon, et al for helping to debug this problem
*/
offset = __raw_readl(intc->reg_intpnd + 4);
offset = readl_relaxed(intc->reg_intpnd + 4);
/* Find the bit manually, when the offset is wrong.
* The pending register only ever contains the one bit of the next
@ -406,7 +406,7 @@ int s3c24xx_set_fiq(unsigned int irq, bool on)
intmod = 0;
}
__raw_writel(intmod, S3C2410_INTMOD);
writel_relaxed(intmod, S3C2410_INTMOD);
return 0;
}
@ -508,14 +508,14 @@ static void s3c24xx_clear_intc(struct s3c_irq_intc *intc)
last = 0;
for (i = 0; i < 4; i++) {
pend = __raw_readl(reg_source);
pend = readl_relaxed(reg_source);
if (pend == 0 || pend == last)
break;
__raw_writel(pend, intc->reg_pending);
writel_relaxed(pend, intc->reg_pending);
if (intc->reg_intpnd)
__raw_writel(pend, intc->reg_intpnd);
writel_relaxed(pend, intc->reg_intpnd);
pr_info("irq: clearing pending status %08x\n", (int)pend);
last = pend;

11
drivers/irqchip/irq-sirfsoc.c
View file

@ -29,6 +29,11 @@
static struct irq_domain *sirfsoc_irqdomain;
static void __iomem *sirfsoc_irq_get_regbase(void)
{
return (void __iomem __force *)sirfsoc_irqdomain->host_data;
}
static __init void sirfsoc_alloc_gc(void __iomem *base)
{
unsigned int clr = IRQ_NOREQUEST | IRQ_NOPROBE | IRQ_NOAUTOEN;
@ -53,7 +58,7 @@ static __init void sirfsoc_alloc_gc(void __iomem *base)
static void __exception_irq_entry sirfsoc_handle_irq(struct pt_regs *regs)
{
void __iomem *base = sirfsoc_irqdomain->host_data;
void __iomem *base = sirfsoc_irq_get_regbase();
u32 irqstat;
irqstat = readl_relaxed(base + SIRFSOC_INIT_IRQ_ID);
@ -94,7 +99,7 @@ static struct sirfsoc_irq_status sirfsoc_irq_st;
static int sirfsoc_irq_suspend(void)
{
void __iomem *base = sirfsoc_irqdomain->host_data;
void __iomem *base = sirfsoc_irq_get_regbase();
sirfsoc_irq_st.mask0 = readl_relaxed(base + SIRFSOC_INT_RISC_MASK0);
sirfsoc_irq_st.mask1 = readl_relaxed(base + SIRFSOC_INT_RISC_MASK1);
@ -106,7 +111,7 @@ static int sirfsoc_irq_suspend(void)
static void sirfsoc_irq_resume(void)
{
void __iomem *base = sirfsoc_irqdomain->host_data;
void __iomem *base = sirfsoc_irq_get_regbase();
writel_relaxed(sirfsoc_irq_st.mask0, base + SIRFSOC_INT_RISC_MASK0);
writel_relaxed(sirfsoc_irq_st.mask1, base + SIRFSOC_INT_RISC_MASK1);

4
drivers/irqchip/irq-tegra.c
View file

@ -90,7 +90,7 @@ static struct tegra_ictlr_info *lic;
static inline void tegra_ictlr_write_mask(struct irq_data *d, unsigned long reg)
{
void __iomem *base = d->chip_data;
void __iomem *base = (void __iomem __force *)d->chip_data;
u32 mask;
mask = BIT(d->hwirq % 32);
@ -266,7 +266,7 @@ static int tegra_ictlr_domain_alloc(struct irq_domain *domain,
irq_domain_set_hwirq_and_chip(domain, virq + i, hwirq + i,
&tegra_ictlr_chip,
info->base[ictlr]);
(void __force *)info->base[ictlr]);
}
parent_fwspec = *fwspec;

5
drivers/irqchip/irq-vic.c
View file

@ -167,7 +167,7 @@ static int vic_suspend(void)
return 0;
}
struct syscore_ops vic_syscore_ops = {
static struct syscore_ops vic_syscore_ops = {
.suspend = vic_suspend,
.resume = vic_resume,
};
@ -517,7 +517,8 @@ int __init vic_init_cascaded(void __iomem *base, unsigned int parent_irq,
EXPORT_SYMBOL_GPL(vic_init_cascaded);
#ifdef CONFIG_OF
int __init vic_of_init(struct device_node *node, struct device_node *parent)
static int __init vic_of_init(struct device_node *node,
struct device_node *parent)
{
void __iomem *regs;
u32 interrupt_mask = ~0;