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| author | Victor Gallardo <vgallardo@amcc.com> | 2008-08-28 16:03:28 -0700 |
|---|---|---|
| committer | Stefan Roese <sr@denx.de> | 2008-08-29 10:13:59 +0200 |
| commit | 5bc542a593abc9e974fbd34704af85c37c366c60 (patch) | |
| tree | bda6cef0f5311a81ea0e6cb5522b755853b1efd7 /cpu/ppc4xx/uic.c | |
| parent | 04737d5ffd16248cb80ab3dd4f3765057a803f18 (diff) | |
| download | u-boot-midas-5bc542a593abc9e974fbd34704af85c37c366c60.tar.gz u-boot-midas-5bc542a593abc9e974fbd34704af85c37c366c60.tar.bz2 u-boot-midas-5bc542a593abc9e974fbd34704af85c37c366c60.zip | |
ppc4xx: fix UIC external_interrupt hang on UIC0
This patch fixes a UIC external_interrupt hang if critical or non-critical
interrupt is set at the same time as a normal interrupt is set on UIC0.
Signed-off-by: Victor Gallardo <vgallardo@amcc.com>
Signed-off-by: Stefan Roese <sr@denx.de>
Diffstat (limited to 'cpu/ppc4xx/uic.c')
| -rw-r--r-- | cpu/ppc4xx/uic.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/cpu/ppc4xx/uic.c b/cpu/ppc4xx/uic.c index 7944c6c3c2..a95d1cb17d 100644 --- a/cpu/ppc4xx/uic.c +++ b/cpu/ppc4xx/uic.c @@ -129,11 +129,11 @@ void external_interrupt(struct pt_regs *regs) uic_interrupt(UIC3_DCR_BASE, 96); #endif + mtdcr(uic0sr, (uic_msr & UICB0_ALL)); + if (uic_msr & ~(UICB0_ALL)) uic_interrupt(UIC0_DCR_BASE, 0); - mtdcr(uic0sr, uic_msr); - return; } |