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irqchip fixes for v3.17 

- gic-v3
     - SMP build fix
     - tag low level accessors __maybe_unused
     - declare rdist as __percpu
 
  - gic
     - staticize
 
  - crossbar
     - fix off-by-one bug
 
  - exynos-combiner
     - fix arm64 build error
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Merge tag 'irqchip-urgent-3.17' of git://git.infradead.org/users/jcooper/linux into irq/urgent

irqchip fixes for v3.17 from Jason Cooper

 - GIC/GICV3: Various fixlets
 - crossbar: Fix off-by-one bug
 - exynos-combiner: Fix arm64 build error
hifive-unleashed-5.1
Thomas Gleixner 2014-09-14 15:19:19 +02:00
parent 7cad45eea3 fea322d1df
commit 938c04a870
4 changed files with 23 additions and 22 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
drivers/irqchip/exynos-combiner.c
View File

@ -15,6 +15,7 @@
#include <linux/slab.h>
#include <linux/irqdomain.h>
#include <linux/irqchip/chained_irq.h>
#include <linux/interrupt.h>
#include <linux/of_address.h>
#include <linux/of_irq.h>

4
drivers/irqchip/irq-crossbar.c
View File

@ -220,7 +220,7 @@ static int __init crossbar_of_init(struct device_node *node)
of_property_read_u32_index(node,
"ti,irqs-reserved",
i, &entry);
if (entry > max) {
if (entry >= max) {
pr_err("Invalid reserved entry\n");
ret = -EINVAL;
goto err_irq_map;
@ -238,7 +238,7 @@ static int __init crossbar_of_init(struct device_node *node)
of_property_read_u32_index(node,
"ti,irqs-skip",
i, &entry);
if (entry > max) {
if (entry >= max) {
pr_err("Invalid skip entry\n");
ret = -EINVAL;
goto err_irq_map;

38
drivers/irqchip/irq-gic-v3.c
View File

@ -36,7 +36,7 @@
struct gic_chip_data {
void __iomem *dist_base;
void __iomem **redist_base;
void __percpu __iomem **rdist;
void __iomem * __percpu *rdist;
struct irq_domain *domain;
u64 redist_stride;
u32 redist_regions;
@ -104,7 +104,7 @@ static void gic_redist_wait_for_rwp(void)
}
/* Low level accessors */
static u64 gic_read_iar(void)
static u64 __maybe_unused gic_read_iar(void)
{
u64 irqstat;
@ -112,24 +112,24 @@ static u64 gic_read_iar(void)
return irqstat;
}
static void gic_write_pmr(u64 val)
static void __maybe_unused gic_write_pmr(u64 val)
{
asm volatile("msr_s " __stringify(ICC_PMR_EL1) ", %0" : : "r" (val));
}
static void gic_write_ctlr(u64 val)
static void __maybe_unused gic_write_ctlr(u64 val)
{
asm volatile("msr_s " __stringify(ICC_CTLR_EL1) ", %0" : : "r" (val));
isb();
}
static void gic_write_grpen1(u64 val)
static void __maybe_unused gic_write_grpen1(u64 val)
{
asm volatile("msr_s " __stringify(ICC_GRPEN1_EL1) ", %0" : : "r" (val));
isb();
}
static void gic_write_sgi1r(u64 val)
static void __maybe_unused gic_write_sgi1r(u64 val)
{
asm volatile("msr_s " __stringify(ICC_SGI1R_EL1) ", %0" : : "r" (val));
}
@ -200,19 +200,6 @@ static void gic_poke_irq(struct irq_data *d, u32 offset)
rwp_wait();
}
static int gic_peek_irq(struct irq_data *d, u32 offset)
{
u32 mask = 1 << (gic_irq(d) % 32);
void __iomem *base;
if (gic_irq_in_rdist(d))
base = gic_data_rdist_sgi_base();
else
base = gic_data.dist_base;
return !!(readl_relaxed(base + offset + (gic_irq(d) / 32) * 4) & mask);
}
static void gic_mask_irq(struct irq_data *d)
{
gic_poke_irq(d, GICD_ICENABLER);
@ -401,6 +388,19 @@ static void gic_cpu_init(void)
}
#ifdef CONFIG_SMP
static int gic_peek_irq(struct irq_data *d, u32 offset)
{
u32 mask = 1 << (gic_irq(d) % 32);
void __iomem *base;
if (gic_irq_in_rdist(d))
base = gic_data_rdist_sgi_base();
else
base = gic_data.dist_base;
return !!(readl_relaxed(base + offset + (gic_irq(d) / 32) * 4) & mask);
}
static int gic_secondary_init(struct notifier_block *nfb,
unsigned long action, void *hcpu)
{

2
drivers/irqchip/irq-gic.c
View File

@ -867,7 +867,7 @@ static int gic_routable_irq_domain_xlate(struct irq_domain *d,
return 0;
}
const struct irq_domain_ops gic_default_routable_irq_domain_ops = {
static const struct irq_domain_ops gic_default_routable_irq_domain_ops = {
.map = gic_routable_irq_domain_map,
.unmap = gic_routable_irq_domain_unmap,
.xlate = gic_routable_irq_domain_xlate,