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Commit f538ed9e authored by Wim Van Sebroeck's avatar Wim Van Sebroeck
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[WATCHDOG] ep93xx: watchdog timer driver for TS-72xx SBCs cleanup 



Clean-up driver:
* make release the reverse of probe so that both are consistent
* add WDIOC_GETSTATUS & WDIOC_GETBOOTSTATUS ioctls.

Signed-off-by: default avatarWim Van Sebroeck <wim@iguana.be>
parent 66aaa7a5

drivers/watchdog/ts72xx_wdt.c

+8 −4
Original line number Original line Diff line number Diff line
@@ -307,6 +307,10 @@ static long ts72xx_wdt_ioctl(struct file *file, unsigned int cmd, 
		error = copy_to_user(argp, &winfo, sizeof(winfo));

		error = copy_to_user(argp, &winfo, sizeof(winfo));

		break;

		break;





	case WDIOC_GETSTATUS:

	case WDIOC_GETBOOTSTATUS:

		return put_user(0, p);



	case WDIOC_KEEPALIVE:

	case WDIOC_KEEPALIVE:

		ts72xx_wdt_kick(wdt);

		ts72xx_wdt_kick(wdt);

		break;

		break;
@@ -477,14 +481,14 @@ static __devexit int ts72xx_wdt_remove(struct platform_device *pdev) 
	error = misc_deregister(&ts72xx_wdt_miscdev);

	error = misc_deregister(&ts72xx_wdt_miscdev);

	platform_set_drvdata(pdev, NULL);

	platform_set_drvdata(pdev, NULL);





	iounmap(wdt->control_reg);

	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);

	release_mem_region(res->start, resource_size(res));



	iounmap(wdt->feed_reg);

	iounmap(wdt->feed_reg);

	res = platform_get_resource(pdev, IORESOURCE_MEM, 1);

	res = platform_get_resource(pdev, IORESOURCE_MEM, 1);

	release_mem_region(res->start, resource_size(res));

	release_mem_region(res->start, resource_size(res));





	iounmap(wdt->control_reg);

	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);

	release_mem_region(res->start, resource_size(res));



	kfree(wdt);

	kfree(wdt);

	return error;

	return error;

}

}