[SCSI] qla2xxx: use kthread_ API

Use the kthread_ API instead of opencoding lots of hairy code for kernel
thread creation and teardown.

Also switch from semaphore-based thread wakeup to wake_up_process.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-By: Andrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>

1 files changed, 1 insertions, 3 deletions

diff --git a/drivers/scsi/qla2xxx/qla_mbx.c b/drivers/scsi/qla2xxx/qla_mbx.c
index 363dfdd042b0..584cc2f6dd35 100644
--- a/drivers/scsi/qla2xxx/qla_mbx.c
+++ b/drivers/scsi/qla2xxx/qla_mbx.c
@@ -284,9 +284,7 @@ qla2x00_mailbox_command(scsi_qla_host_t *ha, mbx_cmd_t *mcp)
                             "Mailbox command timeout occured. Scheduling ISP "
                             "abort.\n");
                         set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
-                        if (ha->dpc_wait && !ha->dpc_active)
-                                up(ha->dpc_wait);
-
+                        qla2xxx_wake_dpc(ha);
                 } else if (!abort_active) {
                         /* call abort directly since we are in the DPC thread */
                         DEBUG(printk("%s(%ld): timeout calling abort_isp\n",