From 647f022e0243cb7bef39696c7b038b4e6da8c7b7 Mon Sep 17 00:00:00 2001 From: Prasanna Mumbai Date: Thu, 8 Dec 2011 10:59:35 +0530 Subject: [PATCH] qla4xxx: clear the SCSI COMPLETION INTERRUPT bit during firmware init Fix for the kdump kernel panic issue on 40xx adapters. JIRA Key: IUEKR2ISCSI-10 Signed-off-by: Nilesh Javali Signed-off-by: Prasanna Mumbai Signed-off-by: Tej Parkash --- drivers/scsi/qla4xxx/ql4_init.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/scsi/qla4xxx/ql4_init.c b/drivers/scsi/qla4xxx/ql4_init.c index 204138111d5ac..cf2ab4e2d16cd 100644 --- a/drivers/scsi/qla4xxx/ql4_init.c +++ b/drivers/scsi/qla4xxx/ql4_init.c @@ -697,6 +697,9 @@ int qla4xxx_start_firmware(struct scsi_qla_host *ha) writel(set_rmask(CSR_SCSI_PROCESSOR_INTR), &ha->reg->ctrl_status); readl(&ha->reg->ctrl_status); + writel(set_rmask(CSR_SCSI_COMPLETION_INTR), + &ha->reg->ctrl_status); + readl(&ha->reg->ctrl_status); spin_unlock_irqrestore(&ha->hardware_lock, flags); if (qla4xxx_get_firmware_state(ha) == QLA_SUCCESS) { DEBUG2(printk("scsi%ld: %s: Get firmware " -- 2.50.1