From: Bjorn Helgaas <bjorn.helgaas@hp.com>
There's no need to wait for an isp2x00 to recognize a fabric if there's no
isp2x00. Probably nobody will notice the unnecessary slowdown on real
hardware, but it's a significant delay on a simulator.
Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
---
25-akpm/drivers/scsi/qlogicfc.c | 8 +++++---
1 files changed, 5 insertions(+), 3 deletions(-)
diff -puN drivers/scsi/qlogicfc.c~qlogic-isp2x00-remove-needless-busyloop drivers/scsi/qlogicfc.c
--- 25/drivers/scsi/qlogicfc.c~qlogic-isp2x00-remove-needless-busyloop Mon Aug 9 14:54:44 2004
+++ 25-akpm/drivers/scsi/qlogicfc.c Mon Aug 9 14:54:44 2004
@@ -815,9 +815,11 @@ int isp2x00_detect(Scsi_Host_Template *
some time before recognizing it is attached to a fabric */
#if ISP2x00_FABRIC
- for (wait_time = jiffies + 5 * HZ; time_before(jiffies, wait_time);) {
- barrier();
- cpu_relax();
+ if (hosts) {
+ for (wait_time = jiffies + 5 * HZ; time_before(jiffies, wait_time);) {
+ barrier();
+ cpu_relax();
+ }
}
#endif
_