[SCSI] qla4xxx: Stop firmware before doing init firmware.

If BIOS is enabled then drivers init firmware fails since
BIOS has done the init once.

Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com>
Signed-off-by: Ravi Anand <ravi.anand@qlogic.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>

1 files changed, 6 insertions, 0 deletions

diff --git a/drivers/scsi/qla4xxx/ql4_init.c b/drivers/scsi/qla4xxx/ql4_init.c
index b69c5736cb43..39048d9339ac 100644
--- a/drivers/scsi/qla4xxx/ql4_init.c
+++ b/drivers/scsi/qla4xxx/ql4_init.c
@@ -445,6 +445,12 @@ static int qla4xxx_init_firmware(struct scsi_qla_host *ha)
 {
         int status = QLA_ERROR;
 
+        /* For 82xx, stop firmware before initializing because if BIOS
+         * has previously initialized firmware, then driver's initialize
+         * firmware will fail. */
+        if (is_qla8022(ha))
+                qla4_8xxx_stop_firmware(ha);
+
         ql4_printk(KERN_INFO, ha, "Initializing firmware..\n");
         if (qla4xxx_initialize_fw_cb(ha) == QLA_ERROR) {
                 DEBUG2(printk("scsi%ld: %s: Failed to initialize firmware "