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path: root/drivers/scsi/qla4xxx/ql4_mbx.c
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Diffstat (limited to 'drivers/scsi/qla4xxx/ql4_mbx.c')
-rw-r--r--drivers/scsi/qla4xxx/ql4_mbx.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/scsi/qla4xxx/ql4_mbx.c b/drivers/scsi/qla4xxx/ql4_mbx.c
index 160d3369721..446511d5812 100644
--- a/drivers/scsi/qla4xxx/ql4_mbx.c
+++ b/drivers/scsi/qla4xxx/ql4_mbx.c
@@ -1129,6 +1129,7 @@ int qla4xxx_reset_lun(struct scsi_qla_host * ha, struct ddb_entry * ddb_entry,
{
uint32_t mbox_cmd[MBOX_REG_COUNT];
uint32_t mbox_sts[MBOX_REG_COUNT];
+ uint32_t scsi_lun[2];
int status = QLA_SUCCESS;
DEBUG2(printk("scsi%ld:%d:%d: lun reset issued\n", ha->host_no,
@@ -1140,10 +1141,16 @@ int qla4xxx_reset_lun(struct scsi_qla_host * ha, struct ddb_entry * ddb_entry,
*/
memset(&mbox_cmd, 0, sizeof(mbox_cmd));
memset(&mbox_sts, 0, sizeof(mbox_sts));
+ int_to_scsilun(lun, (struct scsi_lun *) scsi_lun);
mbox_cmd[0] = MBOX_CMD_LUN_RESET;
mbox_cmd[1] = ddb_entry->fw_ddb_index;
- mbox_cmd[2] = lun << 8;
+ /* FW expects LUN bytes 0-3 in Incoming Mailbox 2
+ * (LUN byte 0 is LSByte, byte 3 is MSByte) */
+ mbox_cmd[2] = cpu_to_le32(scsi_lun[0]);
+ /* FW expects LUN bytes 4-7 in Incoming Mailbox 3
+ * (LUN byte 4 is LSByte, byte 7 is MSByte) */
+ mbox_cmd[3] = cpu_to_le32(scsi_lun[1]);
mbox_cmd[5] = 0x01; /* Immediate Command Enable */
qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 1, &mbox_cmd[0], &mbox_sts[0]);