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authorJustin T. Gibbs <gibbs@FreeBSD.org>1999-01-28 03:30:02 +0000
committerJustin T. Gibbs <gibbs@FreeBSD.org>1999-01-28 03:30:02 +0000
commitdd3afbd452edbceb2e9ee1b21db2fa79f8c49811 (patch)
tree17548c064126ac3a6bd4a7cb2e419e41184a57d7 /sys/dev/ahb
parente3870274b450051e212d9eb4689fdcd52d48775e (diff)
downloadsrc-dd3afbd452edbceb2e9ee1b21db2fa79f8c49811.tar.gz
src-dd3afbd452edbceb2e9ee1b21db2fa79f8c49811.zip
Correct test in poll loop for determining that the mailbox is free to
accept a new command.
Notes
Notes: svn path=/head/; revision=43316
Diffstat (limited to 'sys/dev/ahb')
-rw-r--r--sys/dev/ahb/ahb.c9
1 files changed, 2 insertions, 7 deletions
diff --git a/sys/dev/ahb/ahb.c b/sys/dev/ahb/ahb.c
index 8a790670b462..21edd2ea9b1b 100644
--- a/sys/dev/ahb/ahb.c
+++ b/sys/dev/ahb/ahb.c
@@ -25,7 +25,7 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
- * $Id: ahb.c,v 1.4 1998/10/09 21:38:31 gibbs Exp $
+ * $Id: ahb.c,v 1.5 1999/01/28 01:33:02 dillon Exp $
*/
#include "eisa.h"
@@ -171,14 +171,9 @@ ahbqueuembox(struct ahb_softc *ahb, u_int32_t mboxval, u_int attn_code)
while (--loopmax) {
u_int status;
- /*
- * XXX - this still looks wrong, even after fixing the
- * parenthesization.
- */
-
status = ahb_inb(ahb, HOSTSTAT);
if ((status & (HOSTSTAT_MBOX_EMPTY|HOSTSTAT_BUSY))
- != HOSTSTAT_MBOX_EMPTY)
+ == HOSTSTAT_MBOX_EMPTY)
break;
DELAY(20);
}