GPIO Patch to create device according to linux/documentation/gpio.txt

patch/gpio.patch

@@ -0,0 +1,17 @@
+--- a/drivers/gpio/gpio-sunxi.c
++++ b/drivers/gpio/gpio-sunxi.c
+@@ -182,11 +182,9 @@ static int sunxi_gpio_request(struct gpio_chip *chip, unsigned offset)
+ 	if ((offset > chip->ngpio - 1) || (offset < 0))
+ 		return -EINVAL;
+ 
+-	/* Set sysfs exported gpio name (example "gpio254_ph20") */
+-	sprintf((char *)(chip->names[offset]), "gpio%d_p%c%d",
+-		offset+chip->base,
+-		'a'+sgpio->data[offset].info.port-1,
+-		sgpio->data[offset].info.port_num);
++	/* Set sysfs exported gpio name (example "gpio254") */
++	sprintf((char *)(chip->names[offset]), "gpio%d",
++		offset+chip->base);
+ 
+ 	sgpio->data[offset].gpio_handler = gpio_request_ex("gpio_para",
+ 						sgpio->data[offset].pin_name);