On Thu, Sep 20, 2007 at 11:03:22PM +0900, Yoichi Yuasa wrote:
> diff -pruN -X mips/Documentation/dontdiff mips-orig/drivers/leds/leds-cobalt-raq.c mips/drivers/leds/leds-cobalt-raq.c
> --- mips-orig/drivers/leds/leds-cobalt-raq.c 1970-01-01 09:00:00.000000000 +0900
> +++ mips/drivers/leds/leds-cobalt-raq.c 2007-09-14 13:06:03.900173500 +0900
> @@ -0,0 +1,135 @@
> +/*
> + * LEDs driver for the Cobalt Raq series.
> + *
> + * Copyright (C) 2007 Yoichi Yuasa <yoichi_yuasa@xxxxxxxxxxxxxx>
> + *
> + * This program is free software; you can redistribute it and/or modify
> + * it under the terms of the GNU General Public License as published by
> + * the Free Software Foundation; either version 2 of the License, or
> + * (at your option) any later version.
Do you really want to allow version 2 or newer? (Just checking)
> + *
> + * This program is distributed in the hope that it will be useful,
> + * but WITHOUT ANY WARRANTY; without even the implied warranty of
> + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
> + * GNU General Public License for more details.
> + *
> + * You should have received a copy of the GNU General Public License
> + * along with this program; if not, write to the Free Software
> + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
> + */
> +#include <linux/init.h>
> +#include <linux/ioport.h>
> +#include <linux/leds.h>
> +#include <linux/platform_device.h>
> +#include <linux/spinlock.h>
> +#include <linux/types.h>
> +
> +#include <asm/io.h>
This should be <linux/io.h>
> +
> +#define LED_WEB 0x04
> +#define LED_POWER_OFF 0x08
> +
> +static void __iomem *led_port;
> +static u8 led_value;
> +static DEFINE_SPINLOCK(led_value_lock);
> +
> +static void raq_web_led_set(struct led_classdev *led_cdev,
> + enum led_brightness brightness)
> +{
> + spin_lock_irq(&led_value_lock);
> +
> + if (brightness)
> + led_value |= LED_WEB;
> + else
> + led_value &= ~LED_WEB;
> + writeb(led_value, led_port);
> +
> + spin_unlock_irq(&led_value_lock);
> +}
> +
> +static struct led_classdev raq_web_led = {
> + .name = "raq-web",
> + .brightness_set = raq_web_led_set,
> +};
> +
> +static void raq_power_off_led_set(struct led_classdev *led_cdev,
> + enum led_brightness brightness)
> +{
> + spin_lock_irq(&led_value_lock);
> +
> + if (brightness)
> + led_value |= LED_POWER_OFF;
> + else
> + led_value &= ~LED_POWER_OFF;
> + writeb(led_value, led_port);
> +
> + spin_unlock_irq(&led_value_lock);
> +}
> +
> +static struct led_classdev raq_power_off_led = {
> + .name = "raq-power-off",
> + .brightness_set = raq_power_off_led_set,
> + .default_trigger = "power-off",
> +};
> +
> +static int __devinit cobalt_raq_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;
> +
> + retval = led_classdev_register(&pdev->dev, &raq_power_off_led);
> + if (retval)
> + goto err_iounmap;
> +
> + retval = led_classdev_register(&pdev->dev, &raq_web_led);
> + if (retval)
> + goto err_unregister;
> +
> + return 0;
> +
> +err_unregister:
> + led_classdev_unregister(&raq_power_off_led);
> +
> +err_iounmap:
> + iounmap(led_port);
> + led_port = NULL;
> +
> + return retval;
> +}
> +
> +static int __devexit cobalt_raq_led_remove(struct platform_device *pdev)
> +{
> + led_classdev_unregister(&raq_power_off_led);
> + led_classdev_unregister(&raq_web_led);
> +
> + if (led_port) {
> + iounmap(led_port);
> + led_port = NULL;
> + }
> +
> + return 0;
> +}
> +
> +static struct platform_driver cobalt_raq_led_driver = {
> + .probe = cobalt_raq_led_probe,
> + .remove = __devexit_p(cobalt_raq_led_remove),
> + .driver = {
> + .name = "Cobalt Raq LEDs",
> + .owner = THIS_MODULE,
> + },
> +};
> +
> +static int __init cobalt_raq_led_init(void)
> +{
> + return platform_driver_register(&cobalt_raq_led_driver);
> +}
> +
> +module_init(cobalt_raq_led_init);
Ralf
