[U-Boot] [PATCH v2] tegra20: tamonten: Fix the early gpio init

Alban Bedel alban.bedel at avionic-design.de
Tue Feb 24 18:50:42 CET 2015


As the GPIO driver isn't ready when gpio_early_init() is called the
normal GPIO API can't be used. Fix this like on seaboard by using the
lower level function tegra_spl_gpio_direction_output().

Signed-off-by: Alban Bedel <alban.bedel at avionic-design.de>
---
v2: Updated the log message to better describe the problem
---
 board/avionic-design/common/tamonten.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/board/avionic-design/common/tamonten.c b/board/avionic-design/common/tamonten.c
index 9c86779..ea2425a 100644
--- a/board/avionic-design/common/tamonten.c
+++ b/board/avionic-design/common/tamonten.c
@@ -23,8 +23,10 @@
 #ifdef CONFIG_BOARD_EARLY_INIT_F
 void gpio_early_init(void)
 {
+#ifndef CONFIG_SPL_BUILD
 	gpio_request(GPIO_PI4, NULL);
-	gpio_direction_output(GPIO_PI4, 1);
+#endif
+	tegra_spl_gpio_direction_output(GPIO_PI4, 1);
 }
 #endif
 
-- 
2.3.0



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