drivers: Remove explicit invocations of mmiowb()

[linux.git] / drivers / scsi / qla1280.c

diff --git a/drivers/scsi/qla1280.c b/drivers/scsi/qla1280.c
index 6856dfdfa47383d5e41141cccdc3826f2b7fd7bf..93acbc5094f0598319de8ec6d2142afa092bda3b 100644 (file)
--- a/drivers/scsi/qla1280.c
+++ b/drivers/scsi/qla1280.c
@@ -3004,8 +3004,6 @@ qla1280_64bit_start_scsi(struct scsi_qla_host *ha, struct srb * sp)
        sp->flags |= SRB_SENT;
        ha->actthreads++;
        WRT_REG_WORD(&reg->mailbox4, ha->req_ring_index);
-       /* Enforce mmio write ordering; see comment in qla1280_isp_cmd(). */
-       mmiowb();
 
  out:
        if (status)
@@ -3254,8 +3252,6 @@ qla1280_32bit_start_scsi(struct scsi_qla_host *ha, struct srb * sp)
        sp->flags |= SRB_SENT;
        ha->actthreads++;
        WRT_REG_WORD(&reg->mailbox4, ha->req_ring_index);
-       /* Enforce mmio write ordering; see comment in qla1280_isp_cmd(). */
-       mmiowb();
 
 out:
        if (status)
@@ -3379,7 +3375,6 @@ qla1280_isp_cmd(struct scsi_qla_host *ha)
         * See Documentation/driver-api/device-io.rst for more information.
         */
        WRT_REG_WORD(&reg->mailbox4, ha->req_ring_index);
-       mmiowb();
 
        LEAVE("qla1280_isp_cmd");
 }