From: Sekhar Nori Date: Wed, 14 Jul 2010 11:39:45 +0000 (+0530) Subject: davinci: dm365: disable pulldowns for all MMC/SD1 pins. X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=0a477f6b8c1849701981f6e00e7afcd35af75546;p=linux-beck.git davinci: dm365: disable pulldowns for all MMC/SD1 pins. This patch disables internal pulldowns for all MMC/SD1 pins. Presently only MMCSD1_CMD pin's pull down is disabled, but with this some MMC/SD cards do not get detected on MMC/SD1 slot of the EVM. The problem was reproducible with SanDisk 4GB SDHC card. Reported-by: Stephane Bovagne Signed-off-by: Sekhar Nori Signed-off-by: Kevin Hilman --- diff --git a/arch/arm/mach-davinci/devices.c b/arch/arm/mach-davinci/devices.c index 8b7201e4c79c..2a9a252327d8 100644 --- a/arch/arm/mach-davinci/devices.c +++ b/arch/arm/mach-davinci/devices.c @@ -213,7 +213,7 @@ void __init davinci_setup_mmc(int module, struct davinci_mmc_config *config) IO_ADDRESS(DAVINCI_SYSTEM_MODULE_BASE + 0x7c); /* Configure pull down control */ - __raw_writel((__raw_readl(pupdctl1) & ~0x400), + __raw_writel((__raw_readl(pupdctl1) & ~0xfc0), pupdctl1); mmcsd1_resources[0].start = DM365_MMCSD1_BASE;