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authorIngo Molnar <mingo@elte.hu>2008-10-12 12:43:21 +0200
committerIngo Molnar <mingo@elte.hu>2008-10-12 12:43:21 +0200
commitacbaa41a780490c791492c41144c774c04875af1 (patch)
tree31f1f046875eb071e2aed031e5d9d1584742314f /arch/mips/txx9/rbtx4927/irq.c
parent8d89adf44cf750e49691ba5b744b2ad77a05e997 (diff)
parentfd048088306656824958e7783ffcee27e241b361 (diff)
Merge branch 'linus' into x86/quirks
Conflicts: arch/x86/kernel/early-quirks.c
Diffstat (limited to 'arch/mips/txx9/rbtx4927/irq.c')
-rw-r--r--arch/mips/txx9/rbtx4927/irq.c11
1 files changed, 8 insertions, 3 deletions
diff --git a/arch/mips/txx9/rbtx4927/irq.c b/arch/mips/txx9/rbtx4927/irq.c
index 00cd5231da3..9c14ebb26cb 100644
--- a/arch/mips/txx9/rbtx4927/irq.c
+++ b/arch/mips/txx9/rbtx4927/irq.c
@@ -133,15 +133,20 @@ static int toshiba_rbtx4927_irq_nested(int sw_irq)
u8 level3;
level3 = readb(rbtx4927_imstat_addr) & 0x1f;
- if (level3)
- sw_irq = RBTX4927_IRQ_IOC + fls(level3) - 1;
- return sw_irq;
+ if (unlikely(!level3))
+ return -1;
+ return RBTX4927_IRQ_IOC + __fls8(level3);
}
static void __init toshiba_rbtx4927_irq_ioc_init(void)
{
int i;
+ /* mask all IOC interrupts */
+ writeb(0, rbtx4927_imask_addr);
+ /* clear SoftInt interrupts */
+ writeb(0, rbtx4927_softint_addr);
+
for (i = RBTX4927_IRQ_IOC;
i < RBTX4927_IRQ_IOC + RBTX4927_NR_IRQ_IOC; i++)
set_irq_chip_and_handler(i, &toshiba_rbtx4927_irq_ioc_type,