diff options
Diffstat (limited to 'arch/sh/kernel/irq.c')
| -rw-r--r-- | arch/sh/kernel/irq.c | 23 |
1 files changed, 7 insertions, 16 deletions
diff --git a/arch/sh/kernel/irq.c b/arch/sh/kernel/irq.c index 3b93682bf18..acf2602569c 100644 --- a/arch/sh/kernel/irq.c +++ b/arch/sh/kernel/irq.c @@ -11,6 +11,7 @@ #include <linux/module.h> #include <linux/kernel_stat.h> #include <linux/seq_file.h> +#include <linux/io.h> #include <asm/irq.h> #include <asm/processor.h> #include <asm/uaccess.h> @@ -26,6 +27,7 @@ atomic_t irq_err_count; */ void ack_bad_irq(unsigned int irq) { + atomic_inc(&irq_err_count); printk("unexpected IRQ trap at vector %02x\n", irq); } @@ -85,7 +87,7 @@ asmlinkage int do_IRQ(unsigned long r4, unsigned long r5, struct pt_regs regs) { struct pt_regs *old_regs = set_irq_regs(®s); - int irq = r4; + int irq; #ifdef CONFIG_4KSTACKS union irq_ctx *curctx, *irqctx; #endif @@ -109,20 +111,9 @@ asmlinkage int do_IRQ(unsigned long r4, unsigned long r5, #endif #ifdef CONFIG_CPU_HAS_INTEVT - __asm__ __volatile__ ( -#ifdef CONFIG_CPU_HAS_SR_RB - "stc r2_bank, %0\n\t" + irq = (ctrl_inl(INTEVT) >> 5) - 16; #else - "mov.l @%1, %0\n\t" -#endif - "shlr2 %0\n\t" - "shlr2 %0\n\t" - "shlr %0\n\t" - "add #-16, %0\n\t" - : "=z" (irq), "=r" (r4) - : "1" (INTEVT) - : "memory" - ); + irq = r4; #endif irq = irq_demux(irq); @@ -147,9 +138,9 @@ asmlinkage int do_IRQ(unsigned long r4, unsigned long r5, __asm__ __volatile__ ( "mov %0, r4 \n" "mov r15, r9 \n" - "jsr @%2 \n" + "jsr @%1 \n" /* swith to the irq stack */ - " mov %3, r15 \n" + " mov %2, r15 \n" /* restore the stack (ring zero) */ "mov r9, r15 \n" : /* no outputs */ |