diff options
| author | Josh Boyer <jwboyer@linux.vnet.ibm.com> | 2007-04-30 22:38:11 +0200 |
|---|---|---|
| committer | Paul Mackerras <paulus@samba.org> | 2007-05-02 12:04:30 +0200 |
| commit | 5cddd2e355d0df400782dae80722945c8197b1c5 (patch) | |
| tree | b920ea2a7e1c8b57d6c6900699fbef0edfd0c187 /arch/powerpc/sysdev/mpic.c | |
| parent | [POWERPC] Use menuconfig objects II - Macintosh (diff) | |
| download | linux-5cddd2e355d0df400782dae80722945c8197b1c5.tar.xz linux-5cddd2e355d0df400782dae80722945c8197b1c5.zip | |
[POWERPC] Fix spurious vectors on weird MPIC
The weird TSI 10x MPIC needs an EOI after getting a spurious vector. This
patch uses the existing MPIC_SPV_EOI flag to fix this issue.
Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'arch/powerpc/sysdev/mpic.c')
| -rw-r--r-- | arch/powerpc/sysdev/mpic.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/arch/powerpc/sysdev/mpic.c b/arch/powerpc/sysdev/mpic.c index 0b84b7c775d8..57b1208ef1c3 100644 --- a/arch/powerpc/sysdev/mpic.c +++ b/arch/powerpc/sysdev/mpic.c @@ -1333,8 +1333,11 @@ unsigned int mpic_get_one_irq(struct mpic *mpic) #ifdef DEBUG_LOW DBG("%s: get_one_irq(): %d\n", mpic->name, src); #endif - if (unlikely(src == mpic->spurious_vec)) + if (unlikely(src == mpic->spurious_vec)) { + if (mpic->flags & MPIC_SPV_EOI) + mpic_eoi(mpic); return NO_IRQ; + } return irq_linear_revmap(mpic->irqhost, src); } |