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authorSaurav Kashyap <saurav.kashyap@qlogic.com>2011-02-23 15:27:16 -0800
committerJames Bottomley <James.Bottomley@suse.de>2011-02-25 13:00:38 -0500
commite46ef004f8938eb7bc80f350d8efed9bf57f04b3 (patch)
tree64ec76ec146d00f60413290c17eb7b8271521ae3 /drivers/scsi/qla2xxx
parentff2fc42e74e43721310bff710416230aae6ce0b9 (diff)
downloadop-kernel-dev-e46ef004f8938eb7bc80f350d8efed9bf57f04b3.zip
op-kernel-dev-e46ef004f8938eb7bc80f350d8efed9bf57f04b3.tar.gz
[SCSI] qla2xxx: The ISP82XX should be online while waiting for commands completion.
If adapter is not online, the driver will not process the response queue, even on getting an interrupt. Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: Madhuranath Iyengar <Madhu.Iyengar@qlogic.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
Diffstat (limited to 'drivers/scsi/qla2xxx')
-rw-r--r--drivers/scsi/qla2xxx/qla_init.c19
1 files changed, 16 insertions, 3 deletions
diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c
index 9b6e39d..85b86b8 100644
--- a/drivers/scsi/qla2xxx/qla_init.c
+++ b/drivers/scsi/qla2xxx/qla_init.c
@@ -3945,7 +3945,11 @@ qla2x00_abort_isp_cleanup(scsi_qla_host_t *vha)
unsigned long flags;
fc_port_t *fcport;
- vha->flags.online = 0;
+ /* For ISP82XX, driver waits for completion of the commands.
+ * online flag should be set.
+ */
+ if (!IS_QLA82XX(ha))
+ vha->flags.online = 0;
ha->flags.chip_reset_done = 0;
clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
ha->qla_stats.total_isp_aborts++;
@@ -3953,7 +3957,10 @@ qla2x00_abort_isp_cleanup(scsi_qla_host_t *vha)
qla_printk(KERN_INFO, ha,
"Performing ISP error recovery - ha= %p.\n", ha);
- /* Chip reset does not apply to 82XX */
+ /* For ISP82XX, reset_chip is just disabling interrupts.
+ * Driver waits for the completion of the commands.
+ * the interrupts need to be enabled.
+ */
if (!IS_QLA82XX(ha))
ha->isp_ops->reset_chip(vha);
@@ -3997,9 +4004,15 @@ qla2x00_abort_isp_cleanup(scsi_qla_host_t *vha)
if (!ha->flags.eeh_busy) {
/* Make sure for ISP 82XX IO DMA is complete */
- if (IS_QLA82XX(ha))
+ if (IS_QLA82XX(ha)) {
qla82xx_chip_reset_cleanup(vha);
+ /* Done waiting for pending commands.
+ * Reset the online flag.
+ */
+ vha->flags.online = 0;
+ }
+
/* Requeue all commands in outstanding command list. */
qla2x00_abort_all_cmds(vha, DID_RESET << 16);
}
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