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authorLinus Torvalds <torvalds@linux-foundation.org>2010-05-19 11:36:03 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-05-19 11:36:03 -0700
commit7c7cbaf5b82c418cd3b1dcf718f71d0e6057e639 (patch)
treeda9aaa5a246af464b1e10d88618c1cad07b76314 /arch/sh/include/asm/irq.h
parentba0234ec35127fe21d373db53cbaf9fe20620cb6 (diff)
parent4d0956b8f597aac10208ca763f8fe641fde16aab (diff)
downloadlinux-7c7cbaf5b82c418cd3b1dcf718f71d0e6057e639.tar.bz2
Merge git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6: (127 commits) sh: update defconfigs. sh: Fix up the NUMA build for recent LMB changes. sh64: provide a stub per_cpu_trap_init() definition. sh: fix up CONFIG_KEXEC=n build. sh: fixup the docbook paths for clock framework shuffling. driver core: Early dev_name() depends on slab_is_available(). sh: simplify WARN usage in SH clock driver sh: Check return value of clk_get on ms7724 sh: Check return value of clk_get on ecovec24 sh: move sh clock-cpg.c contents to drivers/sh/clk-cpg.c sh: move sh clock.c contents to drivers/sh/clk. sh: move sh asm/clock.h contents to linux/sh_clk.h V2 sh: remove unused clock lookup sh: switch boards to clkdev sh: switch sh4-202 to clkdev sh: switch shx3 to clkdev sh: switch sh7757 to clkdev sh: switch sh7763 to clkdev sh: switch sh7780 to clkdev sh: switch sh7786 to clkdev ...
Diffstat (limited to 'arch/sh/include/asm/irq.h')
-rw-r--r--arch/sh/include/asm/irq.h19
1 files changed, 19 insertions, 0 deletions
diff --git a/arch/sh/include/asm/irq.h b/arch/sh/include/asm/irq.h
index df8e1500527c..02c2f0102cfa 100644
--- a/arch/sh/include/asm/irq.h
+++ b/arch/sh/include/asm/irq.h
@@ -1,6 +1,7 @@
#ifndef __ASM_SH_IRQ_H
#define __ASM_SH_IRQ_H
+#include <linux/cpumask.h>
#include <asm/machvec.h>
/*
@@ -12,6 +13,14 @@
#define NR_IRQS_LEGACY 8 /* Legacy external IRQ0-7 */
/*
+ * This is a special IRQ number for indicating that no IRQ has been
+ * triggered and to simply ignore the IRQ dispatch. This is a special
+ * case that can happen with IRQ auto-distribution when multiple CPUs
+ * are woken up and signalled in parallel.
+ */
+#define NO_IRQ_IGNORE ((unsigned int)-1)
+
+/*
* Convert back and forth between INTEVT and IRQ values.
*/
#ifdef CONFIG_CPU_HAS_INTEVT
@@ -42,6 +51,8 @@ static inline int generic_irq_demux(int irq)
#define irq_demux(irq) sh_mv.mv_irq_demux(irq)
void init_IRQ(void);
+void migrate_irqs(void);
+
asmlinkage int do_IRQ(unsigned int irq, struct pt_regs *regs);
#ifdef CONFIG_IRQSTACKS
@@ -53,6 +64,14 @@ extern void irq_ctx_exit(int cpu);
# define irq_ctx_exit(cpu) do { } while (0)
#endif
+#ifdef CONFIG_INTC_BALANCING
+extern unsigned int irq_lookup(unsigned int irq);
+extern void irq_finish(unsigned int irq);
+#else
+#define irq_lookup(irq) (irq)
+#define irq_finish(irq) do { } while (0)
+#endif
+
#include <asm-generic/irq.h>
#ifdef CONFIG_CPU_SH5
#include <cpu/irq.h>