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ixp4xx: fix gpio_line_set() logic, fixes #18986

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Signed-off-by: John Crispin <blogic@openwrt.org>

SVN-Revision: 44439
This commit is contained in:
John Crispin 2015-02-13 10:54:01 +00:00
parent 8f3e9c91a8
commit 285348e086
1 changed files with 13 additions and 5 deletions
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18
target/linux/ixp4xx/patches-3.18/030-gpio_line_config.patch
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@ -1,6 +1,6 @@
--- a/arch/arm/mach-ixp4xx/common.c
+++ b/arch/arm/mach-ixp4xx/common.c
@@ -84,22 +84,7 @@ void __init ixp4xx_map_io(void)
@@ -93,22 +93,7 @@
/*
* GPIO-functions
*/
@ -24,7 +24,7 @@
{
if (direction == IXP4XX_GPIO_IN)
*IXP4XX_GPIO_GPOER |= (1 << line);
@@ -107,12 +92,12 @@ static void gpio_line_config(u8 line, u3
@@ -116,17 +101,17 @@
*IXP4XX_GPIO_GPOER &= ~(1 << line);
}
@ -37,11 +37,19 @@
-static void gpio_line_set(u8 line, int value)
+void gpio_line_set(u8 line, int value)
{
if (value == IXP4XX_GPIO_HIGH)
*IXP4XX_GPIO_GPOUTR |= (1 << line);
- if (value == IXP4XX_GPIO_HIGH)
- *IXP4XX_GPIO_GPOUTR |= (1 << line);
- else if (value == IXP4XX_GPIO_LOW)
+ if (value == IXP4XX_GPIO_LOW)
*IXP4XX_GPIO_GPOUTR &= ~(1 << line);
+ else
+ *IXP4XX_GPIO_GPOUTR |= (1 << line);
}
/*************************************************************************
--- a/arch/arm/mach-ixp4xx/include/mach/platform.h
+++ b/arch/arm/mach-ixp4xx/include/mach/platform.h
@@ -131,5 +131,21 @@ struct pci_sys_data;
@@ -131,5 +131,21 @@
extern int ixp4xx_setup(int nr, struct pci_sys_data *sys);
extern struct pci_ops ixp4xx_ops;