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| author | Eric Miao <eric.y.miao@gmail.com> | 2010-01-11 20:39:37 +0800 |
|---|---|---|
| committer | Eric Miao <eric.y.miao@gmail.com> | 2010-01-13 21:01:09 +0800 |
| commit | c70f5a60994058895384f593989a9fbe6fe6adee (patch) | |
| tree | 57e9b11fdc73b3e0178d6dbe56c738aab1aa763f /arch/arm/mach-pxa/irq.c | |
| parent | 463de2096d8040af2f79f8c4f6a61c965a5109f0 (diff) | |
| download | lwn-c70f5a60994058895384f593989a9fbe6fe6adee.tar.gz lwn-c70f5a60994058895384f593989a9fbe6fe6adee.zip | |
[ARM] pxa: fix irq suspend/resume for pxa25x
PXA25x does not have IPR registers, saving and restoring should happen
only for pxa27x and pxa3xx.
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
Diffstat (limited to 'arch/arm/mach-pxa/irq.c')
| -rw-r--r-- | arch/arm/mach-pxa/irq.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/arch/arm/mach-pxa/irq.c b/arch/arm/mach-pxa/irq.c index 6112af431fa4..1beb40f692fc 100644 --- a/arch/arm/mach-pxa/irq.c +++ b/arch/arm/mach-pxa/irq.c @@ -164,8 +164,11 @@ static int pxa_irq_suspend(struct sys_device *dev, pm_message_t state) saved_icmr[i] = _ICMR(irq); _ICMR(irq) = 0; } - for (i = 0; i < pxa_internal_irq_nr; i++) - saved_ipr[i] = IPR(i); + + if (cpu_is_pxa27x() || cpu_is_pxa3xx()) { + for (i = 0; i < pxa_internal_irq_nr; i++) + saved_ipr[i] = IPR(i); + } return 0; } @@ -174,12 +177,15 @@ static int pxa_irq_resume(struct sys_device *dev) { int i, irq = PXA_IRQ(0); + if (cpu_is_pxa27x() || cpu_is_pxa3xx()) { + for (i = 0; i < pxa_internal_irq_nr; i++) + IPR(i) = saved_ipr[i]; + } + for (i = 0; irq < PXA_IRQ(pxa_internal_irq_nr); i++, irq += 32) { _ICMR(irq) = saved_icmr[i]; _ICLR(irq) = 0; } - for (i = 0; i < pxa_internal_irq_nr; i++) - IPR(i) = saved_ipr[i]; ICCR = 1; return 0; |