Signed-off-by: Dave Young <[EMAIL PROTECTED]>
---
drivers/spi/spi.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff -upr linux/drivers/spi/spi.c linux.new/drivers/spi/spi.c
--- linux/drivers/spi/spi.c 2007-12-28 10:47:38.000000000 +0800
+++ linux.new/drivers/spi/spi.c 2007-12-28 10:48:22.000000000 +0800
@@ -494,7 +494,7 @@ struct spi_master *spi_busnum_to_master(
struct spi_master *master = NULL;
struct spi_master *m;
- down(&spi_master_class.sem);
+ mutex_lock(&spi_master_class.mutex);
list_for_each_entry(dev, &spi_master_class.children, node) {
m = container_of(dev, struct spi_master, dev);
if (m->bus_num == bus_num) {
@@ -502,7 +502,7 @@ struct spi_master *spi_busnum_to_master(
break;
}
}
- up(&spi_master_class.sem);
+ mutex_unlock(&spi_master_class.mutex);
return master;
}
EXPORT_SYMBOL_GPL(spi_busnum_to_master);
--
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