diff options
| author | Zhao Chenhui <chenhui.zhao@freescale.com> | 2013-05-15 06:40:41 (GMT) |
|---|---|---|
| committer | Fleming Andrew-AFLEMING <AFLEMING@freescale.com> | 2013-05-22 13:24:52 (GMT) |
| commit | fa7ba988b278e1d4ac5a414071b6bdaf138228a3 (patch) | |
| tree | f61fed026a6a7d36692781da113a3e17b87db3bc /arch | |
| parent | 2627e0bb46a97406abdf6528f66c50b997b77b40 (diff) | |
| download | linux-fsl-qoriq-fa7ba988b278e1d4ac5a414071b6bdaf138228a3.tar.xz | |
powerpc/mpic: fix interrupts distribution problem on 64-bit platforms
For the mpic with a flag MPIC_SINGLE_DEST_CPU, only one bit should be
set in interrupt destination registers.
This change is applicable to 32-bit and 64-bit platforms.
Change-Id: If573a1911eca4465f253f427fa141e42fdceabae
Signed-off-by: Zhao Chenhui <chenhui.zhao@freescale.com>
Reviewed-on: http://git.am.freescale.net:8181/2504
Reviewed-by: Wood Scott-B07421 <scottwood@freescale.com>
Reviewed-by: Fleming Andrew-AFLEMING <AFLEMING@freescale.com>
Tested-by: Fleming Andrew-AFLEMING <AFLEMING@freescale.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/powerpc/sysdev/mpic.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/powerpc/sysdev/mpic.c b/arch/powerpc/sysdev/mpic.c index 5af0ff9..c8e41c0 100644 --- a/arch/powerpc/sysdev/mpic.c +++ b/arch/powerpc/sysdev/mpic.c @@ -54,7 +54,7 @@ static DEFINE_RAW_SPINLOCK(mpic_lock); #ifdef CONFIG_PPC32 /* XXX for now */ #ifdef CONFIG_IRQ_ALL_CPUS -#define distribute_irqs (!(mpic->flags & MPIC_SINGLE_DEST_CPU)) +#define distribute_irqs (1) #else #define distribute_irqs (0) #endif @@ -1728,7 +1728,7 @@ void mpic_setup_this_cpu(void) * it differently, then we should make sure we also change the default * values of irq_desc[].affinity in irq.c. */ - if (distribute_irqs) { + if (distribute_irqs && !(mpic->flags & MPIC_SINGLE_DEST_CPU)) { for (i = 0; i < mpic->num_sources ; i++) mpic_irq_write(i, MPIC_INFO(IRQ_DESTINATION), mpic_irq_read(i, MPIC_INFO(IRQ_DESTINATION)) | msk); |