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authorDaniel Vetter <daniel.vetter@ffwll.ch>2013-03-19 09:47:30 +0100
committerDaniel Vetter <daniel.vetter@ffwll.ch>2013-03-19 09:47:30 +0100
commit0d4a42f6bd298e826620585e766a154ab460617a (patch)
tree406d8f7778691d858dbe3e48e4bbb10e99c0a58a /arch/arm/mach-tegra/irq.c
parentd62b4892f3d9f7dd2002e5309be10719d6805b0f (diff)
parenta937536b868b8369b98967929045f1df54234323 (diff)
Merge tag 'v3.9-rc3' into drm-intel-next-queued
Backmerge so that I can merge Imre Deak's coalesced sg entries fixes, which depend upon the new for_each_sg_page introduce in commit a321e91b6d73ed011ffceed384c40d2785cf723b Author: Imre Deak <imre.deak@intel.com> Date: Wed Feb 27 17:02:56 2013 -0800 lib/scatterlist: add simple page iterator The merge itself is just two trivial conflicts: Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'arch/arm/mach-tegra/irq.c')
-rw-r--r--arch/arm/mach-tegra/irq.c18
1 files changed, 16 insertions, 2 deletions
diff --git a/arch/arm/mach-tegra/irq.c b/arch/arm/mach-tegra/irq.c
index b7886f183511..1952e82797cc 100644
--- a/arch/arm/mach-tegra/irq.c
+++ b/arch/arm/mach-tegra/irq.c
@@ -22,8 +22,7 @@
#include <linux/irq.h>
#include <linux/io.h>
#include <linux/of.h>
-
-#include <asm/hardware/gic.h>
+#include <linux/irqchip/arm-gic.h>
#include "board.h"
#include "iomap.h"
@@ -45,6 +44,8 @@
#define FIRST_LEGACY_IRQ 32
+#define SGI_MASK 0xFFFF
+
static int num_ictlrs;
static void __iomem *ictlr_reg_base[] = {
@@ -55,6 +56,19 @@ static void __iomem *ictlr_reg_base[] = {
IO_ADDRESS(TEGRA_QUINARY_ICTLR_BASE),
};
+bool tegra_pending_sgi(void)
+{
+ u32 pending_set;
+ void __iomem *distbase = IO_ADDRESS(TEGRA_ARM_INT_DIST_BASE);
+
+ pending_set = readl_relaxed(distbase + GIC_DIST_PENDING_SET);
+
+ if (pending_set & SGI_MASK)
+ return true;
+
+ return false;
+}
+
static inline void tegra_irq_write_mask(unsigned int irq, unsigned long reg)
{
void __iomem *base;