Commit 55627c70 authored by Andy Shevchenko's avatar Andy Shevchenko
Browse files

platform/x86: intel_scu_wdt: Drop SCU notification 



Since SCU code along with the Intel MID watchdog driver has been refactored
in a way that latter will be probed only after the former has been come
to live, the notification code is bogus and not needed. Remove it for good.

Signed-off-by: default avatarAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: default avatarGuenter Roeck <linux@roeck-us.net>
Reviewed-by: default avatarHans de Goede <hdegoede@redhat.com>
Acked-by: default avatarLinus Walleij <linus.walleij@linaro.org>
parent 18365d68

drivers/platform/x86/intel_scu_wdt.c

+7 −24
Original line number Diff line number Diff line
@@ -12,7 +12,6 @@ 
#include <linux/platform_data/intel-mid_wdt.h>



#include <asm/intel-mid.h>

#include <asm/intel_scu_ipc.h>

#include <asm/io_apic.h>

#include <asm/hw_irq.h>
@@ -49,34 +48,18 @@ static struct intel_mid_wdt_pdata tangier_pdata = { 
	.probe = tangier_probe,

};



static int wdt_scu_status_change(struct notifier_block *nb,

				 unsigned long code, void *data)

{

	if (code == SCU_DOWN) {

		platform_device_unregister(&wdt_dev);

		return 0;

	}



	return platform_device_register(&wdt_dev);

}



static struct notifier_block wdt_scu_notifier = {

	.notifier_call	= wdt_scu_status_change,

};



static int __init register_mid_wdt(void)

{

	if (intel_mid_identify_cpu() != INTEL_MID_CPU_CHIP_TANGIER)

		return -ENODEV;



	wdt_dev.dev.platform_data = &tangier_pdata;



	/*

	 * We need to be sure that the SCU IPC is ready before watchdog device

	 * can be registered:

	 */

	intel_scu_notifier_add(&wdt_scu_notifier);



	return 0;

	return platform_device_register(&wdt_dev);

}

arch_initcall(register_mid_wdt);



static void __exit unregister_mid_wdt(void)

{

	platform_device_unregister(&wdt_dev);

}

__exitcall(unregister_mid_wdt);