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authorJeff Garzik <jeff@garzik.org>2007-07-27 21:00:48 +0400
committerJames Bottomley <jejb@mulgrave.localdomain>2007-10-12 22:50:48 +0400
commit24430458bb924e371ff894e26bfa9f73707f53fb (patch)
treea2daedb710c7f41a80efd33be16412bef719d91b /drivers/scsi/arcmsr
parent095862ab982a56fb4ea237420bb8fcf1393ca287 (diff)
downloadlinux-24430458bb924e371ff894e26bfa9f73707f53fb.tar.xz
[SCSI] arcmsr: Fix hardware wait loops
Remove _interruptible, since receiving a signal while waiting on a hardware condition will simply cause the driver to busy-wait. Using msleep_interruptible() is rarely the right thing to do, when waiting on a hardware condition to change. Also, replace msleep with ssleep while doing this, where appropriate. [jejb: fix up merge conflict] Signed-off-by: Jeff Garzik <jeff@garzik.org> Acked-by: Nick Cheng <nick.cheng@areca.com.tw> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Diffstat (limited to 'drivers/scsi/arcmsr')
-rw-r--r--drivers/scsi/arcmsr/arcmsr_hba.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/scsi/arcmsr/arcmsr_hba.c b/drivers/scsi/arcmsr/arcmsr_hba.c
index 50e1310ce983..7832a10dc47f 100644
--- a/drivers/scsi/arcmsr/arcmsr_hba.c
+++ b/drivers/scsi/arcmsr/arcmsr_hba.c
@@ -2092,8 +2092,10 @@ static void arcmsr_iop_reset(struct AdapterControlBlock *acb)
if (atomic_read(&acb->ccboutstandingcount) != 0) {
/* talk to iop 331 outstanding command aborted */
arcmsr_abort_allcmd(acb);
+
/* wait for 3 sec for all command aborted*/
ssleep(3);
+
/* disable all outbound interrupt */
intmask_org = arcmsr_disable_outbound_ints(acb);
/* clear all outbound posted Q */