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authorJeff Garzik <jgarzik@pobox.com>2005-05-28 07:57:14 -0400
committerJeff Garzik <jgarzik@pobox.com>2005-06-17 12:05:18 -0500
commitdf0ae2497ddefd72a87f3a3b34ff32455d7d4ae0 (patch)
tree552e02a44a21bd38db91729c85219542c2930ae2 /drivers/scsi/eata.c
parent68b3aa7c9805aee9005a8ca53c5e99177961fbb9 (diff)
downloadop-kernel-dev-df0ae2497ddefd72a87f3a3b34ff32455d7d4ae0.zip
op-kernel-dev-df0ae2497ddefd72a87f3a3b34ff32455d7d4ae0.tar.gz
[SCSI] allow sleeping in ->eh_host_reset_handler()
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Diffstat (limited to 'drivers/scsi/eata.c')
-rw-r--r--drivers/scsi/eata.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/scsi/eata.c b/drivers/scsi/eata.c
index 8394529..1bb8727 100644
--- a/drivers/scsi/eata.c
+++ b/drivers/scsi/eata.c
@@ -1948,16 +1948,20 @@ static int eata2x_eh_host_reset(struct scsi_cmnd *SCarg)
ha->board_name, SCarg->device->channel, SCarg->device->id,
SCarg->device->lun, SCarg->pid);
+ spin_lock_irq(shost->host_lock);
+
if (SCarg->host_scribble == NULL)
printk("%s: reset, pid %ld inactive.\n", ha->board_name, SCarg->pid);
if (ha->in_reset) {
printk("%s: reset, exit, already in reset.\n", ha->board_name);
+ spin_unlock_irq(shost->host_lock);
return FAILED;
}
if (wait_on_busy(shost->io_port, MAXLOOP)) {
printk("%s: reset, exit, timeout error.\n", ha->board_name);
+ spin_unlock_irq(shost->host_lock);
return FAILED;
}
@@ -2012,6 +2016,7 @@ static int eata2x_eh_host_reset(struct scsi_cmnd *SCarg)
if (do_dma(shost->io_port, 0, RESET_PIO)) {
printk("%s: reset, cannot reset, timeout error.\n", ha->board_name);
+ spin_unlock_irq(shost->host_lock);
return FAILED;
}
@@ -2024,9 +2029,12 @@ static int eata2x_eh_host_reset(struct scsi_cmnd *SCarg)
ha->in_reset = 1;
spin_unlock_irq(shost->host_lock);
+
+ /* FIXME: use a sleep instead */
time = jiffies;
while ((jiffies - time) < (10 * HZ) && limit++ < 200000)
udelay(100L);
+
spin_lock_irq(shost->host_lock);
printk("%s: reset, interrupts disabled, loops %d.\n", ha->board_name, limit);
@@ -2076,6 +2084,7 @@ static int eata2x_eh_host_reset(struct scsi_cmnd *SCarg)
else
printk("%s: reset, exit.\n", ha->board_name);
+ spin_unlock_irq(shost->host_lock);
return SUCCESS;
}
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