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Diffstat (limited to 'target/linux/etrax/patches-2.6.30/610-create-the-gpio-devices.patch')
-rw-r--r--target/linux/etrax/patches-2.6.30/610-create-the-gpio-devices.patch50
1 files changed, 50 insertions, 0 deletions
diff --git a/target/linux/etrax/patches-2.6.30/610-create-the-gpio-devices.patch b/target/linux/etrax/patches-2.6.30/610-create-the-gpio-devices.patch
new file mode 100644
index 0000000000..27e13c2baf
--- /dev/null
+++ b/target/linux/etrax/patches-2.6.30/610-create-the-gpio-devices.patch
@@ -0,0 +1,50 @@
+--- a/arch/cris/arch-v10/drivers/gpio.c
++++ b/arch/cris/arch-v10/drivers/gpio.c
+@@ -21,6 +21,7 @@
+ #include <linux/poll.h>
+ #include <linux/init.h>
+ #include <linux/interrupt.h>
++#include <linux/device.h>
+
+ #include <asm/etraxgpio.h>
+ #include <arch/svinto.h>
+@@ -771,6 +772,8 @@ static void ioif_watcher(const unsigned
+
+ /* main driver initialization routine, called from mem.c */
+
++static struct class *gp_class;
++
+ static int __init gpio_init(void)
+ {
+ int res;
+@@ -784,6 +787,8 @@ static int __init gpio_init(void)
+ return res;
+ }
+
++ gp_class = class_create(THIS_MODULE, "gpio_etrax");
++
+ /* Clear all leds */
+ #if defined (CONFIG_ETRAX_CSP0_LEDS) || defined (CONFIG_ETRAX_PA_LEDS) || defined (CONFIG_ETRAX_PB_LEDS)
+ CRIS_LED_NETWORK_SET(0);
+@@ -796,6 +801,8 @@ static int __init gpio_init(void)
+ CRIS_LED_BIT_SET(i);
+ #endif
+
++ device_create(gp_class, NULL,
++ MKDEV(GPIO_MAJOR, 2), NULL, "leds");
+ #endif
+ /* The I/O interface allocation watcher will be called when
+ * registering it. */
+@@ -822,6 +829,12 @@ static int __init gpio_init(void)
+ if (res)
+ printk(KERN_CRIT "err: PA irq for gpio\n");
+
++ device_create(gp_class, NULL,
++ MKDEV(GPIO_MAJOR, 0), NULL, "gpioa");
++ device_create(gp_class, NULL,
++ MKDEV(GPIO_MAJOR, 1), NULL, "gpiob");
++ device_create(gp_class, NULL,
++ MKDEV(GPIO_MAJOR, 3), NULL, "gpiog");
+ return res;
+ }
+