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authorWim Van Sebroeck <wim@iguana.be>2010-02-10 19:34:05 +0000
committerWim Van Sebroeck <wim@iguana.be>2010-03-06 15:12:40 +0000
commitf538ed9ea0a54ba2121f35f52d63e4025c534909 (patch)
treee8cd971f4924c7823f42fea2c5d0551d377a8db0 /drivers/watchdog
parent66aaa7a5592c0d8ca768c77d15d561bd43f514d8 (diff)
downloadop-kernel-dev-f538ed9ea0a54ba2121f35f52d63e4025c534909.zip
op-kernel-dev-f538ed9ea0a54ba2121f35f52d63e4025c534909.tar.gz
[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: Wim Van Sebroeck <wim@iguana.be>
Diffstat (limited to 'drivers/watchdog')
-rw-r--r--drivers/watchdog/ts72xx_wdt.c12
1 files changed, 8 insertions, 4 deletions
diff --git a/drivers/watchdog/ts72xx_wdt.c b/drivers/watchdog/ts72xx_wdt.c
index c4a4d37..565a2c3 100644
--- a/drivers/watchdog/ts72xx_wdt.c
+++ b/drivers/watchdog/ts72xx_wdt.c
@@ -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;
}
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