[src/trunk]: src/sys/dev/spi Fix the while condition: sleep while the SPI_F_D...

[jym <jym%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/5f76dae4a708
branches:  trunk
changeset: 757102:5f76dae4a708
user:      jym <jym%NetBSD.org@localhost>
date:      Sat Aug 14 20:49:21 2010 +0000

description:
Fix the while condition: sleep while the SPI_F_DONE bit is not set.

'!' takes precedence over bitwise operation '&', so use parenthesis.

diffstat:

 sys/dev/spi/spi.c |  6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diffs (27 lines):

diff -r 40a582d5066f -r 5f76dae4a708 sys/dev/spi/spi.c
--- a/sys/dev/spi/spi.c Sat Aug 14 18:28:59 2010 +0000
+++ b/sys/dev/spi/spi.c Sat Aug 14 20:49:21 2010 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: spi.c,v 1.3 2008/05/04 14:21:56 xtraeme Exp $ */
+/* $NetBSD: spi.c,v 1.4 2010/08/14 20:49:21 jym Exp $ */
 
 /*-
  * Copyright (c) 2006 Urbana-Champaign Independent Media Center.
@@ -42,7 +42,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: spi.c,v 1.3 2008/05/04 14:21:56 xtraeme Exp $");
+__KERNEL_RCSID(0, "$NetBSD: spi.c,v 1.4 2010/08/14 20:49:21 jym Exp $");
 
 #include "locators.h"
 
@@ -271,7 +271,7 @@
 
        s = splserial();
        simple_lock(&st->st_lock);
-       while (!st->st_flags & SPI_F_DONE) {
+       while (!(st->st_flags & SPI_F_DONE)) {
                ltsleep(st, PWAIT, "spi_wait", 0, &st->st_lock);
        }
        simple_unlock(&st->st_lock);