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[SCSI] ips: fix soft lockup during reset initialization

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Resetting the adapter causes the ServeRAID driver to exceed the max time
  allowed by the softlock watchdog.  Resetting the hardware can easily require
  30 or more seconds.  To avoid the

	"BUG: soft lockup detected on CPU#0!"

  result, this patch adds a touch_nmi_watchdog() to the driver's MDELAY macro.

Cc: Nishanth Aravamudan <nacc@us.ibm.com>
Cc: Nick Piggin <nickpiggin@yahoo.com.au>
Acked-by: Jack Hammer <jack_hammer@adaptec.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
This commit is contained in:
Andrew Morton 2006-11-08 19:56:26 -08:00 committed by James Bottomley
parent e5f82ab834
commit 297295ae66
1 changed files with 6 additions and 3 deletions
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9
drivers/scsi/ips.h
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@ -51,6 +51,7 @@
#define _IPS_H_
#include <linux/version.h>
#include <linux/nmi.h>
#include <asm/uaccess.h>
#include <asm/io.h>
@ -116,9 +117,11 @@
dev_printk(level , &((pcidev)->dev) , format , ## arg)
#endif
#ifndef MDELAY
#define MDELAY mdelay
#endif
#define MDELAY(n) \
do { \
mdelay(n); \
touch_nmi_watchdog(); \
} while (0)
#ifndef min
#define min(x,y) ((x) < (y) ? x : y)