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

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'!' takes precedence over bitwise operation '&', so use parenthesis.
This commit is contained in:
jym 2010-08-14 20:49:21 +00:00
parent f3fb0a5620
commit c44a6702cd
1 changed files with 3 additions and 3 deletions
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6
sys/dev/spi/spi.c
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@ -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. * Copyright (c) 2006 Urbana-Champaign Independent Media Center.
@ -42,7 +42,7 @@
*/ */
#include <sys/cdefs.h> #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" #include "locators.h"
@ -271,7 +271,7 @@ spi_wait(struct spi_transfer *st)
s = splserial(); s = splserial();
simple_lock(&st->st_lock); 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); ltsleep(st, PWAIT, "spi_wait", 0, &st->st_lock);
} }
simple_unlock(&st->st_lock); simple_unlock(&st->st_lock);