[ARM] 5300/1: fixup spitz reset during boot

Some machines don't have the pullup/down on their reset
pin, so configuring the reset generating pin as input makes
them reset immediately. Fix that by making reset pin direction
configurable.

Signed-off-by: Dmitry Baryshkov <dbaryshkov@gmail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

1 files changed, 6 insertions, 3 deletions

diff --git a/arch/arm/mach-pxa/include/mach/reset.h b/arch/arm/mach-pxa/include/mach/reset.h
index 9489a48871a8..7b8842cfa5fc 100644
--- a/arch/arm/mach-pxa/include/mach/reset.h
+++ b/arch/arm/mach-pxa/include/mach/reset.h
@@ -10,9 +10,12 @@
 extern unsigned int reset_status;
 extern void clear_reset_status(unsigned int mask);
 
-/*
- * register GPIO as reset generator
+/**
+ * init_gpio_reset() - register GPIO as reset generator
+ *
+ * @gpio - gpio nr
+ * @output - set gpio as out/low instead of input during normal work
  */
-extern int init_gpio_reset(int gpio);
+extern int init_gpio_reset(int gpio, int output);
 
 #endif /* __ASM_ARCH_RESET_H */