summaryrefslogtreecommitdiffstats
path: root/drivers/spi/spi.c
diff options
context:
space:
mode:
authorJoel Becker <joel.becker@oracle.com>2010-10-15 22:03:09 +0200
committerJoel Becker <joel.becker@oracle.com>2010-10-15 22:03:09 +0200
commitfc3718918f13ad72827d62d36ea0f5fb55090644 (patch)
tree4f9551256e02d08be37bab137f3d94182a67504c /drivers/spi/spi.c
parentocfs2: Add a mount option "coherency=*" to handle cluster coherency for O_DIR... (diff)
parentocfs2/cluster: Release debugfs file elapsed_time_in_ms (diff)
downloadlinux-fc3718918f13ad72827d62d36ea0f5fb55090644.tar.xz
linux-fc3718918f13ad72827d62d36ea0f5fb55090644.zip
Merge branch 'globalheartbeat-2' of git://oss.oracle.com/git/smushran/linux-2.6 into ocfs2-merge-window
Conflicts: fs/ocfs2/ocfs2.h
Diffstat (limited to 'drivers/spi/spi.c')
-rw-r--r--drivers/spi/spi.c14
1 files changed, 8 insertions, 6 deletions
diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c
index a9e5c79ae52a..b5a78a1f4421 100644
--- a/drivers/spi/spi.c
+++ b/drivers/spi/spi.c
@@ -23,6 +23,7 @@
#include <linux/init.h>
#include <linux/cache.h>
#include <linux/mutex.h>
+#include <linux/of_device.h>
#include <linux/slab.h>
#include <linux/mod_devicetable.h>
#include <linux/spi/spi.h>
@@ -86,6 +87,10 @@ static int spi_match_device(struct device *dev, struct device_driver *drv)
const struct spi_device *spi = to_spi_device(dev);
const struct spi_driver *sdrv = to_spi_driver(drv);
+ /* Attempt an OF style match */
+ if (of_driver_match_device(dev, drv))
+ return 1;
+
if (sdrv->id_table)
return !!spi_match_id(sdrv->id_table, spi);
@@ -554,11 +559,9 @@ done:
EXPORT_SYMBOL_GPL(spi_register_master);
-static int __unregister(struct device *dev, void *master_dev)
+static int __unregister(struct device *dev, void *null)
{
- /* note: before about 2.6.14-rc1 this would corrupt memory: */
- if (dev != master_dev)
- spi_unregister_device(to_spi_device(dev));
+ spi_unregister_device(to_spi_device(dev));
return 0;
}
@@ -576,8 +579,7 @@ void spi_unregister_master(struct spi_master *master)
{
int dummy;
- dummy = device_for_each_child(master->dev.parent, &master->dev,
- __unregister);
+ dummy = device_for_each_child(&master->dev, NULL, __unregister);
device_unregister(&master->dev);
}
EXPORT_SYMBOL_GPL(spi_unregister_master);