From e6bd0ebd4a8ba9118e970c0214e912e35895c92b Mon Sep 17 00:00:00 2001 From: Giridhar Malavali Date: Wed, 11 Jan 2012 02:44:16 -0800 Subject: [SCSI] qla4xxx: Disable generating pause frames in case of FW hung In case of FW hung ISP82xx generates continuous pause frames which causes switch to disable port. Added fix to disable generating pause frames in case of FW hung Signed-off-by: Giridhar Malavali Signed-off-by: Vikas Chaudhary Reviewed-by: Mike Christie Signed-off-by: James Bottomley --- drivers/scsi/qla4xxx/ql4_mbx.c | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'drivers/scsi/qla4xxx/ql4_mbx.c') diff --git a/drivers/scsi/qla4xxx/ql4_mbx.c b/drivers/scsi/qla4xxx/ql4_mbx.c index c259378..e1e66a4 100644 --- a/drivers/scsi/qla4xxx/ql4_mbx.c +++ b/drivers/scsi/qla4xxx/ql4_mbx.c @@ -219,6 +219,13 @@ int qla4xxx_mailbox_command(struct scsi_qla_host *ha, uint8_t inCount, ha->mailbox_timeout_count++; mbx_sts[0] = (-1); set_bit(DPC_RESET_HA, &ha->dpc_flags); + if (is_qla8022(ha)) { + ql4_printk(KERN_INFO, ha, + "disabling pause transmit on port 0 & 1.\n"); + qla4_8xxx_wr_32(ha, QLA82XX_CRB_NIU + 0x98, + CRB_NIU_XG_PAUSE_CTL_P0 | + CRB_NIU_XG_PAUSE_CTL_P1); + } goto mbox_exit; } -- cgit v1.1