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>

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 (file)
index 0000000..3be8dc7
--- /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
+

diff --git a/meta-agl-bsp/meta-ti/recipes-bsp/u-boot/u-boot-ti-staging_%.bbappend b/meta-agl-bsp/meta-ti/recipes-bsp/u-boot/u-boot-ti-staging_%.bbappend
index 77b84f9..8f4402b 100644 (file)
--- a/meta-agl-bsp/meta-ti/recipes-bsp/u-boot/u-boot-ti-staging_%.bbappend
+++ b/meta-agl-bsp/meta-ti/recipes-bsp/u-boot/u-boot-ti-staging_%.bbappend
@@ -1,12 +1,13 @@
 FILESEXTRAPATHS_prepend := "${THISDIR}/files:"
 
-SRCREV = "${AUTOREV}"
+SRCREV = "7e76f5e6781205bbdf4ec53aa6671b30856a33e7"
 BRANCH = "p-ti-u-boot-2016.05"
 
 SRC_URI = "git://git.omapzoom.org/repo/u-boot.git;protocol=git;branch=${BRANCH}"
 # This applies to the JACINTO 6 vayu board ... essentially it is dra7_evm.
 SRC_URI_vayu     += "file://fix_builderror_gcc5.patch"
 SRC_URI += " file://${UBOOT_ENV_BINARY}"
+SRC_URI += " file://0001-mmc-disable-the-mmc-clock-during-power-off.patch"
 
 UBOOT_ENV = "uEnv"