Gitweb:     
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=4276fd7349bfd4f557d9777100fdcf1140771b4e
Commit:     4276fd7349bfd4f557d9777100fdcf1140771b4e
Parent:     97da7aaf46fedcf1a38a88e5ffc2c40df23e8013
Author:     Yoichi Yuasa <[EMAIL PROTECTED]>
AuthorDate: Thu Sep 27 17:51:17 2007 +0900
Committer:  Richard Purdie <[EMAIL PROTECTED]>
CommitDate: Thu Oct 11 22:24:00 2007 +0100

    leds: Update Cobalt Qube series front LED support
    
    Update Cobalt Qube series front LED support.
    
    Signed-off-by: Yoichi Yuasa <[EMAIL PROTECTED]>
    Acked-by: Ralf Baechle <[EMAIL PROTECTED]>
    Signed-off-by: Richard Purdie <[EMAIL PROTECTED]>
---
 drivers/leds/leds-cobalt-qube.c |  145 +++++++++++++++++++++++++++------------
 1 files changed, 102 insertions(+), 43 deletions(-)

diff --git a/drivers/leds/leds-cobalt-qube.c b/drivers/leds/leds-cobalt-qube.c
dissimilarity index 63%
index d16439c..d2b54b5 100644
--- a/drivers/leds/leds-cobalt-qube.c
+++ b/drivers/leds/leds-cobalt-qube.c
@@ -1,43 +1,102 @@
-/*
- * Copyright 2006 - Florian Fainelli <[EMAIL PROTECTED]>
- *
- * Control the Cobalt Qube/RaQ front LED
- */
-
-#include <linux/module.h>
-#include <linux/types.h>
-#include <linux/kernel.h>
-#include <linux/device.h>
-#include <linux/leds.h>
-#include <asm/mach-cobalt/cobalt.h>
-
-static void cobalt_led_set(struct led_classdev *led_cdev, enum led_brightness 
brightness)
-{
-       if (brightness)
-               COBALT_LED_PORT = COBALT_LED_BAR_LEFT | COBALT_LED_BAR_RIGHT;
-       else
-               COBALT_LED_PORT = 0;
-}
-
-static struct led_classdev cobalt_led = {
-       .name = "cobalt-front-led",
-       .brightness_set = cobalt_led_set,
-       .default_trigger = "ide-disk",
-};
-
-static int __init cobalt_led_init(void)
-{
-       return led_classdev_register(NULL, &cobalt_led);
-}
-
-static void __exit cobalt_led_exit(void)
-{
-       led_classdev_unregister(&cobalt_led);
-}
-
-module_init(cobalt_led_init);
-module_exit(cobalt_led_exit);
-
-MODULE_LICENSE("GPL");
-MODULE_DESCRIPTION("Front LED support for Cobalt Server");
-MODULE_AUTHOR("Florian Fainelli <[EMAIL PROTECTED]>");
+/*
+ * Copyright 2006 - Florian Fainelli <[EMAIL PROTECTED]>
+ *
+ * Control the Cobalt Qube/RaQ front LED
+ */
+#include <linux/init.h>
+#include <linux/io.h>
+#include <linux/ioport.h>
+#include <linux/leds.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/types.h>
+
+#define LED_FRONT_LEFT 0x01
+#define LED_FRONT_RIGHT        0x02
+
+static void __iomem *led_port;
+static u8 led_value;
+
+static void qube_front_led_set(struct led_classdev *led_cdev,
+                               enum led_brightness brightness)
+{
+       if (brightness)
+               led_value = LED_FRONT_LEFT | LED_FRONT_RIGHT;
+       else
+               led_value = ~(LED_FRONT_LEFT | LED_FRONT_RIGHT);
+       writeb(led_value, led_port);
+}
+
+static struct led_classdev qube_front_led = {
+       .name                   = "qube-front",
+       .brightness             = LED_FULL,
+       .brightness_set         = qube_front_led_set,
+       .default_trigger        = "ide-disk",
+};
+
+static int __devinit cobalt_qube_led_probe(struct platform_device *pdev)
+{
+       struct resource *res;
+       int retval;
+
+       res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+       if (!res)
+               return -EBUSY;
+
+       led_port = ioremap(res->start, res->end - res->start + 1);
+       if (!led_port)
+               return -ENOMEM;
+
+       led_value = LED_FRONT_LEFT | LED_FRONT_RIGHT;
+       writeb(led_value, led_port);
+
+       retval = led_classdev_register(&pdev->dev, &qube_front_led);
+       if (retval)
+               goto err_iounmap;
+
+       return 0;
+
+err_iounmap:
+       iounmap(led_port);
+       led_port = NULL;
+
+       return retval;
+}
+
+static int __devexit cobalt_qube_led_remove(struct platform_device *pdev)
+{
+       led_classdev_unregister(&qube_front_led);
+
+       if (led_port) {
+               iounmap(led_port);
+               led_port = NULL;
+       }
+
+       return 0;
+}
+
+static struct platform_driver cobalt_qube_led_driver = {
+       .probe  = cobalt_qube_led_probe,
+       .remove = __devexit_p(cobalt_qube_led_remove),
+       .driver = {
+               .name   = "cobalt-qube-leds",
+               .owner  = THIS_MODULE,
+       },
+};
+
+static int __init cobalt_qube_led_init(void)
+{
+       return platform_driver_register(&cobalt_qube_led_driver);
+}
+
+static void __exit cobalt_qube_led_exit(void)
+{
+       platform_driver_unregister(&cobalt_qube_led_driver);
+}
+
+module_init(cobalt_qube_led_init);
+module_exit(cobalt_qube_led_exit);
+
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("Front LED support for Cobalt Server");
+MODULE_AUTHOR("Florian Fainelli <[EMAIL PROTECTED]>");
-
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