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authorLen Brown <len.brown@intel.com>2009-09-19 00:06:59 -0400
committerLen Brown <len.brown@intel.com>2009-09-19 00:06:59 -0400
commit71fd68e7d234f6b7d8407c8f486764d24f8411f4 (patch)
tree6dc2a4c356b4f454fc85d0c7cb019986f6f4993b /arch/powerpc/sysdev/mpic.c
parent8ff0e082f0833d32c7523a6cd72b6cf6a2142ce8 (diff)
parent78f28b7c555359c67c2a0d23f7436e915329421e (diff)
downloadtalos-op-linux-71fd68e7d234f6b7d8407c8f486764d24f8411f4.tar.gz
talos-op-linux-71fd68e7d234f6b7d8407c8f486764d24f8411f4.zip
Merge branch 'linus' into release
Diffstat (limited to 'arch/powerpc/sysdev/mpic.c')
-rw-r--r--arch/powerpc/sysdev/mpic.c13
1 files changed, 8 insertions, 5 deletions
diff --git a/arch/powerpc/sysdev/mpic.c b/arch/powerpc/sysdev/mpic.c
index 3981ae4cb58e..30c44e6b0413 100644
--- a/arch/powerpc/sysdev/mpic.c
+++ b/arch/powerpc/sysdev/mpic.c
@@ -230,14 +230,16 @@ static inline u32 _mpic_irq_read(struct mpic *mpic, unsigned int src_no, unsigne
{
unsigned int isu = src_no >> mpic->isu_shift;
unsigned int idx = src_no & mpic->isu_mask;
+ unsigned int val;
+ val = _mpic_read(mpic->reg_type, &mpic->isus[isu],
+ reg + (idx * MPIC_INFO(IRQ_STRIDE)));
#ifdef CONFIG_MPIC_BROKEN_REGREAD
if (reg == 0)
- return mpic->isu_reg0_shadow[idx];
- else
+ val = (val & (MPIC_VECPRI_MASK | MPIC_VECPRI_ACTIVITY)) |
+ mpic->isu_reg0_shadow[src_no];
#endif
- return _mpic_read(mpic->reg_type, &mpic->isus[isu],
- reg + (idx * MPIC_INFO(IRQ_STRIDE)));
+ return val;
}
static inline void _mpic_irq_write(struct mpic *mpic, unsigned int src_no,
@@ -251,7 +253,8 @@ static inline void _mpic_irq_write(struct mpic *mpic, unsigned int src_no,
#ifdef CONFIG_MPIC_BROKEN_REGREAD
if (reg == 0)
- mpic->isu_reg0_shadow[idx] = value;
+ mpic->isu_reg0_shadow[src_no] =
+ value & ~(MPIC_VECPRI_MASK | MPIC_VECPRI_ACTIVITY);
#endif
}
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