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[WATCHDOG] ep93xx: watchdog timer driver for TS-72xx SBCs cleanup

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

Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
This commit is contained in:
Wim Van Sebroeck 2010-02-10 19:34:05 +00:00
parent 66aaa7a559
commit f538ed9ea0
1 changed files with 8 additions and 4 deletions
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12
drivers/watchdog/ts72xx_wdt.c
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@ -307,6 +307,10 @@ static long ts72xx_wdt_ioctl(struct file *file, unsigned int cmd,
error = copy_to_user(argp, &winfo, sizeof(winfo));
break;
case WDIOC_GETSTATUS:
case WDIOC_GETBOOTSTATUS:
return put_user(0, p);
case WDIOC_KEEPALIVE:
ts72xx_wdt_kick(wdt);
break;
@ -477,14 +481,14 @@ static __devexit int ts72xx_wdt_remove(struct platform_device *pdev)
error = misc_deregister(&ts72xx_wdt_miscdev);
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);
res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
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);
return error;
}