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| author | Claudio Mignanti <c.mignanti@gmail.com> | 2009-10-01 15:44:28 +0000 |
|---|---|---|
| committer | Claudio Mignanti <c.mignanti@gmail.com> | 2009-10-01 15:44:28 +0000 |
| commit | ef368dfc0573e03b9e58c806c1668d6762f4f799 (patch) | |
| tree | 52aefba1b99e11ba12fe48d9f362e25465b37bff /target/linux/etrax/patches-2.6.30/610-create-the-gpio-devices.patch | |
| parent | 054c54512f1120f037142964b0e51190d11b8904 (diff) | |
| download | upstream-ef368dfc0573e03b9e58c806c1668d6762f4f799.tar.gz upstream-ef368dfc0573e03b9e58c806c1668d6762f4f799.tar.bz2 upstream-ef368dfc0573e03b9e58c806c1668d6762f4f799.zip | |
Implement sysfs interface for some specific cris driver
SVN-Revision: 17805
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.patch | 50 |
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; + } + |