From mboxrd@z Thu Jan 1 00:00:00 1970 From: eric.y.miao@gmail.com (Eric Miao) Date: Mon, 11 Jan 2010 22:04:22 +0800 Subject: [PATCH 14/16] [ARM] pxa: fix irq suspend/resume for pxa25x In-Reply-To: <1263218664-11546-1-git-send-email-eric.y.miao@gmail.com> References: <1263218664-11546-1-git-send-email-eric.y.miao@gmail.com> Message-ID: <1263218664-11546-15-git-send-email-eric.y.miao@gmail.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org PXA25x does not have IPR registers, saving and restoring should happen only for pxa27x and pxa3xx. Signed-off-by: Eric Miao --- 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 6112af4..1beb40f 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; -- 1.6.3.3