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[U-Boot,11/11] imx: imx-common: power down lcdif before boot os

Message ID 1441880948-18201-12-git-send-email-Peng.Fan@freescale.com
State Changes Requested
Delegated to: Stefano Babic
Headers show

Commit Message

Peng Fan Sept. 10, 2015, 10:29 a.m. UTC 
Need to call lcdif_power_down to make lcdif in initial state
before kernel boot. Similar issue for uboot reset with lcdif
enabled, system will hang after serveral times resetting. Need
to let lcdif initial state to make all go well.

Signed-off-by: Peng Fan <Peng.Fan@freescale.com>
Cc: Stefano Babic <sbabic@denx.de>
Cc: Eric Nelson <eric.nelson@boundarydevices.com>
Cc: Nikita Kiryanov <nikita@compulab.co.il>
Cc: Tim Harvey <tharvey@gateworks.com>
Cc: Fabio Estevam <fabio.estevam@freescale.com>
---
 arch/arm/imx-common/cpu.c | 3 +++
 1 file changed, 3 insertions(+)
diff mbox

Patch

diff --git a/arch/arm/imx-common/cpu.c b/arch/arm/imx-common/cpu.c
index e27546c..f379b98 100644
--- a/arch/arm/imx-common/cpu.c
+++ b/arch/arm/imx-common/cpu.c
@@ -262,6 +262,9 @@  void arch_preboot_os(void)
 	/* disable video before launching O/S */
 	ipuv3_fb_shutdown();
 #endif
+#if defined(CONFIG_VIDEO_MXS)
+	lcdif_power_down();
+#endif
 }
 
 void set_chipselect_size(int const cs_size)