From 2657c800dbb24761097ef341dfa43672c08a7a9e Mon Sep 17 00:00:00 2001 From: Shyam Sundar Date: Wed, 6 Oct 2010 22:50:29 -0700 Subject: [SCSI] qla4xxx: use CRB Register for Request Queue in-pointer Switching from doorbell mechanism to CRB register based Signed-off-by: Vikas Chaudhary Signed-off-by: Shyam Sundar Signed-off-by: Ravi Anand Reviewed-by: Mike Christie Signed-off-by: James Bottomley --- drivers/scsi/qla4xxx/ql4_iocb.c | 10 +--------- 1 file changed, 1 insertion(+), 9 deletions(-) (limited to 'drivers/scsi/qla4xxx/ql4_iocb.c') diff --git a/drivers/scsi/qla4xxx/ql4_iocb.c b/drivers/scsi/qla4xxx/ql4_iocb.c index 4ef9ba112ee..5ae49fd8784 100644 --- a/drivers/scsi/qla4xxx/ql4_iocb.c +++ b/drivers/scsi/qla4xxx/ql4_iocb.c @@ -202,19 +202,11 @@ static void qla4xxx_build_scsi_iocbs(struct srb *srb, void qla4_8xxx_queue_iocb(struct scsi_qla_host *ha) { uint32_t dbval = 0; - unsigned long wtime; dbval = 0x14 | (ha->func_num << 5); dbval = dbval | (0 << 8) | (ha->request_in << 16); - writel(dbval, (unsigned long __iomem *)ha->nx_db_wr_ptr); - wmb(); - wtime = jiffies + (2 * HZ); - while (readl((void __iomem *)ha->nx_db_rd_ptr) != dbval && - !time_after_eq(jiffies, wtime)) { - writel(dbval, (unsigned long __iomem *)ha->nx_db_wr_ptr); - wmb(); - } + qla4_8xxx_wr_32(ha, ha->nx_db_wr_ptr, ha->request_in); } /** -- cgit v1.2.3-70-g09d2