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| author | Maciej W. Rozycki <macro@linux-mips.org> | 2006-10-03 12:42:02 +0100 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2006-10-03 17:59:17 +0100 |
| commit | d599def5cd81439e7da04dc6754b257043f5e584 (patch) | |
| tree | 6790e93dc16327c8acc4dfccdfd8c11124988482 /arch | |
| parent | af8b128719f5248e542036ea994610a29d0642a6 (diff) | |
| download | linux-d599def5cd81439e7da04dc6754b257043f5e584.tar.gz linux-d599def5cd81439e7da04dc6754b257043f5e584.tar.bz2 linux-d599def5cd81439e7da04dc6754b257043f5e584.zip | |
[MIPS] SB1250: Interrupt handler fixes
Mask cp0.status against cp0.cause. Additionally, spurious interrupts are
not recorded.
Signed-off-by: Maciej W. Rozycki <macro@linux-mips.org>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/mips/sibyte/sb1250/irq.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/arch/mips/sibyte/sb1250/irq.c b/arch/mips/sibyte/sb1250/irq.c index a451b4c7732d..f9bd9f074517 100644 --- a/arch/mips/sibyte/sb1250/irq.c +++ b/arch/mips/sibyte/sb1250/irq.c @@ -442,7 +442,7 @@ asmlinkage void plat_irq_dispatch(struct pt_regs *regs) * blasting the high 32 bits. */ - pending = read_c0_cause(); + pending = read_c0_cause() & read_c0_status(); #ifdef CONFIG_SIBYTE_SB1250_PROF if (pending & CAUSEF_IP7) /* Cpu performance counter interrupt */ @@ -476,5 +476,8 @@ asmlinkage void plat_irq_dispatch(struct pt_regs *regs) R_IMR_INTERRUPT_STATUS_BASE))); if (mask) do_IRQ(fls64(mask) - 1, regs); - } + else + spurious_interrupt(regs); + } else + spurious_interrupt(regs); } |