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Date: Sun, 14 Sep 2014 16:33:06 +0200 (CEST)
From: Thomas Gleixner <tglx@...utronix.de>
To: Linus Torvalds <torvalds@...ux-foundation.org>
cc: Andrew Morton <akpm@...ux-foundation.org>,
LKML <linux-kernel@...r.kernel.org>,
Ingo Molnar <mingo@...nel.org>,
"H. Peter Anvin" <hpa@...or.com>
Subject: [GIT pull] irq fixes for 3.17
Linus,
please pull the latest irq-urgent-for-linus git tree from:
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git irq-urgent-for-linus
Another pile of ARM specific irq chip fixlets:
- Off by one bugs in the crossbar driver
- Missing annotations
- A bunch of "make it compile" updates
I pulled the lot today from Jason, but it has been in -next for at
least a week.
Thanks,
tglx
------------------>
Dan Carpenter (1):
irqchip: crossbar: Off by one bugs in init
Mark Brown (2):
irqchip: gic-v3: Only define gic_peek_irq() when building SMP
irqchip: gic-v3: Tag all low level accessors __maybe_unused
Naveen Krishna Chatradhi (1):
irqchip: exynos-combiner: Fix compilation error on ARM64
Will Deacon (2):
irqchip: gic: Make gic_default_routable_irq_domain_ops static
irqchip: gic-v3: Declare rdist as __percpu pointer to __iomem pointer
drivers/irqchip/exynos-combiner.c | 1 +
drivers/irqchip/irq-crossbar.c | 4 ++--
drivers/irqchip/irq-gic-v3.c | 38 +++++++++++++++++++-------------------
drivers/irqchip/irq-gic.c | 2 +-
4 files changed, 23 insertions(+), 22 deletions(-)
diff --git a/drivers/irqchip/exynos-combiner.c b/drivers/irqchip/exynos-combiner.c
index f8636a650cf6..5945223b73fa 100644
--- a/drivers/irqchip/exynos-combiner.c
+++ b/drivers/irqchip/exynos-combiner.c
@@ -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>
diff --git a/drivers/irqchip/irq-crossbar.c b/drivers/irqchip/irq-crossbar.c
index 85c2985d8bcb..bbbaf5de65d2 100644
--- a/drivers/irqchip/irq-crossbar.c
+++ b/drivers/irqchip/irq-crossbar.c
@@ -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;
diff --git a/drivers/irqchip/irq-gic-v3.c b/drivers/irqchip/irq-gic-v3.c
index 57eaa5a0b1e3..a0698b4f0303 100644
--- a/drivers/irqchip/irq-gic-v3.c
+++ b/drivers/irqchip/irq-gic-v3.c
@@ -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)
{
diff --git a/drivers/irqchip/irq-gic.c b/drivers/irqchip/irq-gic.c
index 4b959e606fe8..dda6dbc23565 100644
--- a/drivers/irqchip/irq-gic.c
+++ b/drivers/irqchip/irq-gic.c
@@ -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,
--
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