From dcb615aef988b57deef3d9b4557ff20f681a82b0 Mon Sep 17 00:00:00 2001 From: Alexander Gordeev Date: Mon, 13 May 2013 00:57:49 +0000 Subject: powerpc: Fix irq_set_affinity() return values Signed-off-by: Alexander Gordeev Signed-off-by: Benjamin Herrenschmidt --- arch/powerpc/sysdev/mpic.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'arch/powerpc/sysdev/mpic.c') diff --git a/arch/powerpc/sysdev/mpic.c b/arch/powerpc/sysdev/mpic.c index ee21b5e71ae..0a13ecb270c 100644 --- a/arch/powerpc/sysdev/mpic.c +++ b/arch/powerpc/sysdev/mpic.c @@ -836,7 +836,7 @@ int mpic_set_affinity(struct irq_data *d, const struct cpumask *cpumask, mpic_physmask(mask)); } - return 0; + return IRQ_SET_MASK_OK; } static unsigned int mpic_type_to_vecpri(struct mpic *mpic, unsigned int type) -- cgit v1.2.3 From e242114afff0a41550e174cd787cdbafd34625de Mon Sep 17 00:00:00 2001 From: chenhui zhao Date: Mon, 27 May 2013 21:59:43 +0000 Subject: powerpc/mpic: Fix irq distribution problem when MPIC_SINGLE_DEST_CPU For the mpic with a flag MPIC_SINGLE_DEST_CPU, only one bit should be set in interrupt destination registers. The code is applicable to 64-bit platforms as well as 32-bit. Signed-off-by: Zhao Chenhui Signed-off-by: Benjamin Herrenschmidt --- arch/powerpc/sysdev/mpic.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'arch/powerpc/sysdev/mpic.c') diff --git a/arch/powerpc/sysdev/mpic.c b/arch/powerpc/sysdev/mpic.c index 0a13ecb270c..3cc2f9159ab 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 @@ -1703,7 +1703,7 @@ 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); -- cgit v1.2.3