diff options
| author | Arjan van de Ven <arjan@linux.intel.com> | 2008-10-17 09:20:26 -0700 |
|---|---|---|
| committer | Arjan van de Ven <arjan@linux.intel.com> | 2008-10-17 09:20:26 -0700 |
| commit | 651dab4264e4ba0e563f5ff56f748127246e9065 (patch) | |
| tree | 016630974bdcb00fe529b673f96d389e0fd6dc94 /arch/mips/txx9/rbtx4927/irq.c | |
| parent | 40b8606253552109815786e5d4b0de98782d31f5 (diff) | |
| parent | 2e532d68a2b3e2aa6b19731501222069735c741c (diff) | |
Merge commit 'linus/master' into merge-linus
Conflicts:
arch/x86/kvm/i8254.c
Diffstat (limited to 'arch/mips/txx9/rbtx4927/irq.c')
| -rw-r--r-- | arch/mips/txx9/rbtx4927/irq.c | 11 |
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, |