svn commit: r262572 - head/sys/dev/tws

[Xin LI]

Author: delphij
Date: Thu Feb 27 21:41:52 2014
New Revision: 262572
URL: http://svnweb.freebsd.org/changeset/base/262572

Log:
  Get rid of the 'chan' from softc structure and use the latter
  directly as sleep channel.
  
  PR:		kern/174684
  Submitted by:	jmg
  MFC after:	2 weeks

Modified:
  head/sys/dev/tws/tws.h
  head/sys/dev/tws/tws_cam.c
  head/sys/dev/tws/tws_user.c

Modified: head/sys/dev/tws/tws.h
==============================================================================
--- head/sys/dev/tws/tws.h	Thu Feb 27 21:01:10 2014	(r262571)
+++ head/sys/dev/tws/tws.h	Thu Feb 27 21:41:52 2014	(r262572)
@@ -248,7 +248,6 @@ struct tws_softc {
     struct mtx io_lock;                   /* IO  lock */
     struct tws_ioctl_lock ioctl_lock;     /* ioctl lock */ 
     u_int32_t seq_id;                     /* Sequence id */
-    void *chan;                           /* IOCTL req wait channel */
     struct tws_circular_q aen_q;          /* aen q */
     struct tws_circular_q trace_q;        /* trace q */
     struct tws_stats stats;               /* I/O stats */

Modified: head/sys/dev/tws/tws_cam.c
==============================================================================
--- head/sys/dev/tws/tws_cam.c	Thu Feb 27 21:01:10 2014	(r262571)
+++ head/sys/dev/tws/tws_cam.c	Thu Feb 27 21:41:52 2014	(r262572)
@@ -1297,7 +1297,7 @@ tws_reinit(void *arg)
 
     tws_turn_on_interrupts(sc);
 
-    wakeup_one(sc->chan);
+    wakeup_one(sc);
 }
 
 

Modified: head/sys/dev/tws/tws_user.c
==============================================================================
--- head/sys/dev/tws/tws_user.c	Thu Feb 27 21:01:10 2014	(r262571)
+++ head/sys/dev/tws/tws_user.c	Thu Feb 27 21:41:52 2014	(r262572)
@@ -103,8 +103,7 @@ tws_passthru(struct tws_softc *sc, void 
     do {
         req = tws_get_request(sc, TWS_REQ_TYPE_PASSTHRU);
         if ( !req ) {
-            sc->chan = (void *)sc;
-            error = tsleep(sc->chan,  0, "tws_sleep", TWS_IOCTL_TIMEOUT*hz);
+            error = tsleep(sc,  0, "tws_sleep", TWS_IOCTL_TIMEOUT*hz);
             if ( error == EWOULDBLOCK ) {
                 return(ETIMEDOUT);
             }
@@ -203,7 +202,7 @@ out_data:
     //
     req->state = TWS_REQ_STATE_FREE;
 
-    wakeup_one(sc->chan);
+    wakeup_one(sc);
 
     return(error);
 }