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authorKarthik Ramanan <a0393906@ti.com>2016-11-18 13:23:25 +0530
committerJan-Simon Moeller <jsmoeller@linuxfoundation.org>2016-11-21 11:39:46 +0000
commitd68b2906870f459c1ef1dcbcc5be7e0643f3a656 (patch)
tree89d06ea1888059da6fddb71b276de1cb0ff564b7 /meta-agl-bsp/meta-ti/recipes-bsp/u-boot/files/0001-mmc-disable-the-mmc-clock-during-power-off.patch
parent698aed6cc037a47d6f709b18881e4ba41a3044e7 (diff)
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 <a0393906@ti.com>
Diffstat (limited to 'meta-agl-bsp/meta-ti/recipes-bsp/u-boot/files/0001-mmc-disable-the-mmc-clock-during-power-off.patch')
-rw-r--r--meta-agl-bsp/meta-ti/recipes-bsp/u-boot/files/0001-mmc-disable-the-mmc-clock-during-power-off.patch29
1 files changed, 29 insertions, 0 deletions
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 <kishon@ti.com>
+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 <kishon@ti.com>
+---
+ 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
+