Openwrt/target/linux/ixp4xx/patches-3.18/030-gpio_line_config.patch
Jonas Gorski 76d079204d kernel: update 3.18 to 3.18.14
Changelogs:

* https://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.18.12
* https://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.18.13
* https://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.18.14

Build tested on brcm63xx and ipq806x, runtested on brcm63xx.

Signed-off-by: Jonas Gorski <jogo@openwrt.org>

SVN-Revision: 45711
2015-05-21 19:32:46 +00:00

74 lines
1.9 KiB
Diff

--- a/arch/arm/mach-ixp4xx/common.c
+++ b/arch/arm/mach-ixp4xx/common.c
@@ -93,22 +93,7 @@ void __init ixp4xx_map_io(void)
/*
* GPIO-functions
*/
-/*
- * The following converted to the real HW bits the gpio_line_config
- */
-/* GPIO pin types */
-#define IXP4XX_GPIO_OUT 0x1
-#define IXP4XX_GPIO_IN 0x2
-
-/* GPIO signal types */
-#define IXP4XX_GPIO_LOW 0
-#define IXP4XX_GPIO_HIGH 1
-
-/* GPIO Clocks */
-#define IXP4XX_GPIO_CLK_0 14
-#define IXP4XX_GPIO_CLK_1 15
-
-static void gpio_line_config(u8 line, u32 direction)
+void gpio_line_config(u8 line, u32 direction)
{
if (direction == IXP4XX_GPIO_IN)
*IXP4XX_GPIO_GPOER |= (1 << line);
@@ -116,17 +101,17 @@ static void gpio_line_config(u8 line, u3
*IXP4XX_GPIO_GPOER &= ~(1 << line);
}
-static void gpio_line_get(u8 line, int *value)
+void gpio_line_get(u8 line, int *value)
{
*value = (*IXP4XX_GPIO_GPINR >> line) & 0x1;
}
-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);
- 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;
extern int ixp4xx_setup(int nr, struct pci_sys_data *sys);
extern struct pci_ops ixp4xx_ops;
+/* GPIO pin types */
+#define IXP4XX_GPIO_OUT 0x1
+#define IXP4XX_GPIO_IN 0x2
+
+/* GPIO signal types */
+#define IXP4XX_GPIO_LOW 0
+#define IXP4XX_GPIO_HIGH 1
+
+/* GPIO Clocks */
+#define IXP4XX_GPIO_CLK_0 14
+#define IXP4XX_GPIO_CLK_1 15
+
+void gpio_line_config(u8 line, u32 direction);
+void gpio_line_get(u8 line, int *value);
+void gpio_line_set(u8 line, int value);
+
#endif // __ASSEMBLY__