From d68b2906870f459c1ef1dcbcc5be7e0643f3a656 Mon Sep 17 00:00:00 2001 From: Karthik Ramanan Date: Fri, 18 Nov 2016 13:23:25 +0530 Subject: dra7xx-evm: u-boot: Fix SRCREV + mmc stability fix The latest u-boot has included some patches that is causing an instability with certain MMC cards This patch fixes the SRCREV to a known commit and includes a stability fix for the MMC Change-Id: I7ba99d36bd713d81409d528e8067e012415b33f0 Signed-off-by: Karthik Ramanan --- ...mc-disable-the-mmc-clock-during-power-off.patch | 29 ++++++++++++++++++++++ 1 file changed, 29 insertions(+) create mode 100644 meta-agl-bsp/meta-ti/recipes-bsp/u-boot/files/0001-mmc-disable-the-mmc-clock-during-power-off.patch (limited to 'meta-agl-bsp/meta-ti/recipes-bsp/u-boot/files/0001-mmc-disable-the-mmc-clock-during-power-off.patch') diff --git a/meta-agl-bsp/meta-ti/recipes-bsp/u-boot/files/0001-mmc-disable-the-mmc-clock-during-power-off.patch b/meta-agl-bsp/meta-ti/recipes-bsp/u-boot/files/0001-mmc-disable-the-mmc-clock-during-power-off.patch new file mode 100644 index 000000000..3be8dc744 --- /dev/null +++ b/meta-agl-bsp/meta-ti/recipes-bsp/u-boot/files/0001-mmc-disable-the-mmc-clock-during-power-off.patch @@ -0,0 +1,29 @@ +From 96d42df4e7cb700bde4bdf5106cfd2753749c4e7 Mon Sep 17 00:00:00 2001 +From: Kishon Vijay Abraham I +Date: Fri, 11 Nov 2016 19:59:22 +0530 +Subject: [PATCH] mmc: disable the mmc clock during power off + +There is no point in having the mmc clock enabled during +power off. Disable the mmc clock. This is similar to how it's +programmed in Linux Kernel. + +Signed-off-by: Kishon Vijay Abraham I +--- + drivers/mmc/mmc.c | 1 + + 1 file changed, 1 insertion(+) + +diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c +index c929a1e..84515a7 100644 +--- a/drivers/mmc/mmc.c ++++ b/drivers/mmc/mmc.c +@@ -2058,6 +2058,7 @@ static void mmc_power_off(struct mmc *mmc) + { + mmc_set_signal_voltage(mmc, 0); + mmc_set_vdd(mmc, false); ++ mmc_set_clock(mmc, 1, true); + } + + static void mmc_power_cycle(struct mmc *mmc) +-- +1.9.1 + -- cgit 1.2.3-korg