diff options
| -rw-r--r-- | board/calao/snowball/linux-3.4.patch | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/board/calao/snowball/linux-3.4.patch b/board/calao/snowball/linux-3.4.patch new file mode 100644 index 000000000..4e6fb518f --- /dev/null +++ b/board/calao/snowball/linux-3.4.patch @@ -0,0 +1,45 @@ +From 3d1a9b44b9dcd2c0f5d54c09596c96c0524d8340 Mon Sep 17 00:00:00 2001 +From: Gregory Hermant <gregory.hermant@calao-systems.com> +Date: Tue, 13 Nov 2012 11:47:41 +0100 +Subject: [PATCH] trace-debug[stm]: Fix for BT/WLAN instability + +Pins under mop500_ske_pins array are used for different +functionalities in snowball. Ex: GPIO161 pin configured +for keypad here must stay configured as GPIO alternate +function for operating PMU_EN pin of BT/WLAN chip in snowball. +So forbid configuring these pins, for snowball + +Signed-off-by: Rajanikanth H.V <rajanikanth.hv@stericsson.com> +Signed-off-by: Gregory Hermant <gregory.hermant@calao-systems.com> +--- + arch/arm/mach-ux500/board-mop500-stm.c | 7 +++++-- + 1 file changed, 5 insertions(+), 2 deletions(-) + +diff --git a/arch/arm/mach-ux500/board-mop500-stm.c b/arch/arm/mach-ux500/board-mop500-stm.c +index 1bef2a0..532fb9e 100644 +--- a/arch/arm/mach-ux500/board-mop500-stm.c ++++ b/arch/arm/mach-ux500/board-mop500-stm.c +@@ -121,7 +121,9 @@ static int stm_ste_disable_ape_on_mipi60(void) + if (retval) + STM_ERR("Failed to disable MIPI60\n"); + else { +- retval = nmk_config_pins(ARRAY_AND_SIZE(mop500_ske_pins)); ++ if (!machine_is_snowball()) ++ retval = nmk_config_pins( ++ ARRAY_AND_SIZE(mop500_ske_pins)); + if (retval) + STM_ERR("Failed to enable SKE gpio\n"); + } +@@ -314,7 +316,8 @@ static int stm_ste_connection(enum stm_connection_type con_type) + /* Enable altC3 on GPIO70-74 (STMMOD) and GPIO75-76 (UARTMOD) */ + prcmu_enable_stm_mod_uart(); + /* Enable APE on MIPI60 */ +- retval = nmk_config_pins_sleep(ARRAY_AND_SIZE(mop500_ske_pins)); ++ if (!machine_is_snowball()) ++ retval = nmk_config_pins_sleep(ARRAY_AND_SIZE(mop500_ske_pins)); + if (retval) + STM_ERR("Failed to disable SKE GPIO\n"); + else { +-- +1.7.9.5 + |