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authorPaul Mundt <lethal@linux-sh.org>2007-03-14 13:03:35 +0900
committerPaul Mundt <lethal@linux-sh.org>2007-03-14 13:03:35 +0900
commit3afb209a43a4216ad4f1411922d47a44252926c6 (patch)
tree8c91a9edad3b09181bd290f33f3e14e3d7c01e2c /arch/sh/kernel/irq.c
parentffe1b4e9f436fd7bb784f3bf7ee963c149fbca5f (diff)
sh: Fix bogus regs pointer in do_IRQ().
SH-3 and SH-4 were trampling the register, and SH-2 wasn't even setting it in the first place. This ended up with some rather broken behaviour in the sysrq show_regs(). Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch/sh/kernel/irq.c')
-rw-r--r--arch/sh/kernel/irq.c15
1 files changed, 2 insertions, 13 deletions
diff --git a/arch/sh/kernel/irq.c b/arch/sh/kernel/irq.c
index 67be2b6e8cd..9bdd8a00cd4 100644
--- a/arch/sh/kernel/irq.c
+++ b/arch/sh/kernel/irq.c
@@ -11,7 +11,6 @@
#include <linux/module.h>
#include <linux/kernel_stat.h>
#include <linux/seq_file.h>
-#include <linux/io.h>
#include <linux/irq.h>
#include <asm/processor.h>
#include <asm/uaccess.h>
@@ -82,13 +81,9 @@ static union irq_ctx *hardirq_ctx[NR_CPUS] __read_mostly;
static union irq_ctx *softirq_ctx[NR_CPUS] __read_mostly;
#endif
-asmlinkage int do_IRQ(unsigned long r4, unsigned long r5,
- unsigned long r6, unsigned long r7,
- struct pt_regs __regs)
+asmlinkage int do_IRQ(unsigned int irq, struct pt_regs *regs)
{
- struct pt_regs *regs = RELOC_HIDE(&__regs, 0);
struct pt_regs *old_regs = set_irq_regs(regs);
- int irq;
#ifdef CONFIG_4KSTACKS
union irq_ctx *curctx, *irqctx;
#endif
@@ -111,13 +106,7 @@ asmlinkage int do_IRQ(unsigned long r4, unsigned long r5,
}
#endif
-#ifdef CONFIG_CPU_HAS_INTEVT
- irq = evt2irq(ctrl_inl(INTEVT));
-#else
- irq = r4;
-#endif
-
- irq = irq_demux(irq);
+ irq = irq_demux(evt2irq(irq));
#ifdef CONFIG_4KSTACKS
curctx = (union irq_ctx *)current_thread_info();