make ifxmips led driver a platform device
authorJohn Crispin <john@openwrt.org>
Tue, 25 Dec 2007 12:04:08 +0000 (12:04 +0000)
committerJohn Crispin <john@openwrt.org>
Tue, 25 Dec 2007 12:04:08 +0000 (12:04 +0000)
SVN-Revision: 9920

target/linux/ifxmips/files/drivers/char/ifxmips_led.c

index b0b8e82..15c173b 100644 (file)
@@ -24,6 +24,7 @@
 #include <linux/types.h>
 #include <linux/fs.h>
 #include <linux/init.h>
+#include <linux/platform_device.h>
 #include <asm/uaccess.h>
 #include <asm/unistd.h>
 #include <linux/errno.h>
 #include <asm/ifxmips/ifxmips_gpio.h>
 #include <asm/ifxmips/ifxmips_pmu.h>
 
-#define IFXMIPS_LED_CLK_EDGE                           IFXMIPS_LED_FALLING
+#define DRVNAME                                                        "ifxmips_led" 
+
+#define IFXMIPS_LED_CLK_EDGE                   IFXMIPS_LED_FALLING
 //#define IFXMIPS_LED_CLK_EDGE                 IFXMIPS_LED_RISING
 
 #define IFXMIPS_LED_SPEED                              IFXMIPS_LED_8HZ
 
-#define IFXMIPS_LED_GPIO_PORT  0
+#define IFXMIPS_LED_GPIO_PORT                  0
 
 static int ifxmips_led_major;
 
@@ -118,27 +121,8 @@ static struct file_operations ifxmips_led_fops = {
        .release = led_release
 };
 
-
-/*
-Map for LED on reference board
-       WLAN_READ     LED11   OUT1    15
-       WARNING       LED12   OUT2    14
-       FXS1_LINK     LED13   OUT3    13
-       FXS2_LINK     LED14   OUT4    12
-       FXO_ACT       LED15   OUT5    11
-       USB_LINK      LED16   OUT6    10
-       ADSL2_LINK    LED19   OUT7    9
-       BT_LINK       LED17   OUT8    8
-       SD_LINK       LED20   OUT9    7
-       ADSL2_TRAFFIC LED31   OUT16   0
-Map for hardware relay on reference board
-       USB Power On          OUT11   5
-       RELAY                 OUT12   4
-*/
-
-
-int __init
-ifxmips_led_init (void)
+static int
+ifxmips_led_probe(struct platform_device *dev)
 {
        int ret = 0;
 
@@ -181,16 +165,60 @@ ifxmips_led_init (void)
                goto out;
        }
 
-       printk(KERN_INFO "ifxmips_led : device registered on major %d\n", ifxmips_led_major);
+       printk(KERN_INFO "ifxmips_led: device successfully initialized #%d.\n", ifxmips_led_major);
 
 out:
        return ret;
 }
 
+static int
+ifxmips_led_remove(struct platform_device *pdev)
+{
+       unregister_chrdev(ifxmips_led_major, "ifxmips_led");
+       return 0;
+}
+
+static struct
+platform_driver ifxmips_led_driver = {
+       .probe = ifxmips_led_probe,
+       .remove = ifxmips_led_remove,
+       .driver = {
+               .name = DRVNAME,
+               .owner = THIS_MODULE,
+       },
+};
+
+/*
+Map for LED on reference board
+       WLAN_READ     LED11   OUT1    15
+       WARNING       LED12   OUT2    14
+       FXS1_LINK     LED13   OUT3    13
+       FXS2_LINK     LED14   OUT4    12
+       FXO_ACT       LED15   OUT5    11
+       USB_LINK      LED16   OUT6    10
+       ADSL2_LINK    LED19   OUT7    9
+       BT_LINK       LED17   OUT8    8
+       SD_LINK       LED20   OUT9    7
+       ADSL2_TRAFFIC LED31   OUT16   0
+Map for hardware relay on reference board
+       USB Power On          OUT11   5
+       RELAY                 OUT12   4
+*/
+
+int __init
+ifxmips_led_init (void)
+{
+       int ret = platform_driver_register(&ifxmips_led_driver);
+       if (ret)
+               printk(KERN_INFO "ifxmips_led: Error registering platfom driver!");
+
+       return ret;
+}
+
 void __exit
 ifxmips_led_exit (void)
 {
-       unregister_chrdev(ifxmips_led_major, "ifxmips_led");
+       platform_driver_unregister(&ifxmips_led_driver);
 }
 
 module_init(ifxmips_led_init);