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Commit 5faf7cbb authored by Pawel Moll's avatar Pawel Moll Committed by Olof Johansson
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mfd: vexpress-sysreg: Remove LEDs code 



As the current LEDs code breaks other platform, remove it.

It shall be replaced by a generic "MMIO LEDs" driver.

Reported-by: default avatarStephen Warren <swarren@wwwdotorg.org>
Signed-off-by: default avatarPawel Moll <pawel.moll@arm.com>
Tested-by: default avatarStephen Warren <swarren@nvidia.com>
Signed-off-by: default avatarOlof Johansson <olof@lixom.net>
parent a5559a33

drivers/mfd/vexpress-sysreg.c

+0 −77
Original line number Diff line number Diff line
@@ -473,80 +473,3 @@ static int __init vexpress_sysreg_init(void) 
	return platform_driver_register(&vexpress_sysreg_driver);

}

core_initcall(vexpress_sysreg_init);
 




#if defined(CONFIG_LEDS_CLASS)



struct vexpress_sysreg_led {

	u32 mask;

	struct led_classdev cdev;

} vexpress_sysreg_leds[] = {

	{ .mask = 1 << 0, .cdev.name = "v2m:green:user1",

			.cdev.default_trigger = "heartbeat", },

	{ .mask = 1 << 1, .cdev.name = "v2m:green:user2",

			.cdev.default_trigger = "mmc0", },

	{ .mask = 1 << 2, .cdev.name = "v2m:green:user3",

			.cdev.default_trigger = "cpu0", },

	{ .mask = 1 << 3, .cdev.name = "v2m:green:user4",

			.cdev.default_trigger = "cpu1", },

	{ .mask = 1 << 4, .cdev.name = "v2m:green:user5",

			.cdev.default_trigger = "cpu2", },

	{ .mask = 1 << 5, .cdev.name = "v2m:green:user6",

			.cdev.default_trigger = "cpu3", },

	{ .mask = 1 << 6, .cdev.name = "v2m:green:user7",

			.cdev.default_trigger = "cpu4", },

	{ .mask = 1 << 7, .cdev.name = "v2m:green:user8",

			.cdev.default_trigger = "cpu5", },

};



static DEFINE_SPINLOCK(vexpress_sysreg_leds_lock);



static void vexpress_sysreg_led_brightness_set(struct led_classdev *cdev,

		enum led_brightness brightness)

{

	struct vexpress_sysreg_led *led = container_of(cdev,

			struct vexpress_sysreg_led, cdev);

	unsigned long flags;

	u32 val;



	spin_lock_irqsave(&vexpress_sysreg_leds_lock, flags);



	val = readl(vexpress_sysreg_base + SYS_LED);

	if (brightness == LED_OFF)

		val &= ~led->mask;

	else

		val |= led->mask;

	writel(val, vexpress_sysreg_base + SYS_LED);



	spin_unlock_irqrestore(&vexpress_sysreg_leds_lock, flags);

}



static int __init vexpress_sysreg_init_leds(void)

{

	struct vexpress_sysreg_led *led;

	int i;



	/* Clear all user LEDs */

	writel(0, vexpress_sysreg_base + SYS_LED);



	for (i = 0, led = vexpress_sysreg_leds;

			i < ARRAY_SIZE(vexpress_sysreg_leds); i++, led++) {

		int err;



		led->cdev.brightness_set = vexpress_sysreg_led_brightness_set;

		err = led_classdev_register(vexpress_sysreg_dev, &led->cdev);

		if (err) {

			dev_err(vexpress_sysreg_dev,

					"Failed to register LED %d! (%d)\n",

					i, err);

			while (led--, i--)

				led_classdev_unregister(&led->cdev);

			return err;

		}

	}



	return 0;

}

device_initcall(vexpress_sysreg_init_leds);



#endif