From mboxrd@z Thu Jan 1 00:00:00 1970 From: tomasz.figa@gmail.com (Tomasz Figa) Date: Thu, 21 Jul 2011 14:57:35 +0200 Subject: [PATCH 3/5] ARM: s3c64xx: Save/restore S3C64XX_SDMA_SEL on suspend/resume. Message-ID: To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org This patch makes sure that S3C64XX_SDMA_SEL register is preserved during sleep mode, as it is critical for DMA operation and the DMA driver alone does not provide any power management facilities. --- arch/arm/mach-s3c64xx/pm.c | 2 ++ 1 files changed, 2 insertions(+), 0 deletions(-) diff --git a/arch/arm/mach-s3c64xx/pm.c b/arch/arm/mach-s3c64xx/pm.c index 799a212..9756321 100644 --- a/arch/arm/mach-s3c64xx/pm.c +++ b/arch/arm/mach-s3c64xx/pm.c @@ -86,6 +86,8 @@ static struct sleep_save misc_save[] = { SAVE_ITEM(S3C64XX_MEM0CONSLP0), SAVE_ITEM(S3C64XX_MEM0CONSLP1), SAVE_ITEM(S3C64XX_MEM1CONSLP), + + SAVE_ITEM(S3C64XX_SDMA_SEL), }; void s3c_pm_configure_extint(void) -- 1.7.6