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watchdog: booke_wdt: fix ioctl status flags

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The WDIOC_GETSTATUS & WDIOC_GETBOOTSTATUS ioctl calls return the WDIOF_* flags
and nothing else.

Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
This commit is contained in:
Wim Van Sebroeck 2010-04-27 08:24:11 +00:00
parent 76550d3292
commit 8b18085a92
1 changed files with 3 additions and 3 deletions
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6
drivers/watchdog/booke_wdt.c
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@ -137,12 +137,12 @@ static long booke_wdt_ioctl(struct file *file,
if (copy_to_user((void *)arg, &ident, sizeof(ident)))
return -EFAULT;
case WDIOC_GETSTATUS:
return put_user(ident.options, p);
return put_user(0, p);
case WDIOC_GETBOOTSTATUS:
/* XXX: something is clearing TSR */
tmp = mfspr(SPRN_TSR) & TSR_WRS(3);
/* returns 1 if last reset was caused by the WDT */
return (tmp ? 1 : 0);
/* returns CARDRESET if last reset was caused by the WDT */
return (tmp ? WDIOF_CARDRESET : 0);
case WDIOC_SETOPTIONS:
if (get_user(tmp, p))
return -EINVAL;