[patch] IDE: Touch NMI watchdog during resume from STR

Michal Schmidt
2006-07-13T10:14:54Z

When resuming from suspend-to-RAM, the NMI watchdog detects a lockup in
ide_wait_not_busy.
Here's a screenshot of the trace taken by a digital camera:
http://www.uamt.feec.vutbr.cz/rizeni/pom/DSC03510-2.JPG

Let's touch the NMI watchdog in ide_wait_not_busy. The system then
resumes correctly from STR.

Signed-off-by: Michal Schmidt <xschmi00@stud.feec.vutbr.cz>

diff --git a/drivers/ide/ide-iops.c b/drivers/ide/ide-iops.c
index 6571652..77703ac 100644
--- a/drivers/ide/ide-iops.c
+++ b/drivers/ide/ide-iops.c
@@ -23,6 +23,7 @@ #include <linux/delay.h>
#include <linux/hdreg.h>
#include <linux/ide.h>
#include <linux/bitops.h>
+#include <linux/nmi.h>

#include <asm/byteorder.h>
#include <asm/irq.h>
@@ -1243,6 +1244,7 @@ int ide_wait_not_busy(ide_hwif_t *hwif,
if (stat == 0xff)
return -ENODEV;
touch_softlockup_watchdog();
+ touch_nmi_watchdog();
}
return -EBUSY;
}