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authorSascha Hauer <s.hauer@pengutronix.de>2015-05-06 21:36:13 +0200
committerSascha Hauer <s.hauer@pengutronix.de>2015-05-06 21:36:13 +0200
commit3975737a7d48b3c767f60be994d55884321d45f9 (patch)
tree8be2f56c4978420e6e4c4b3292e18c61b07a926e /drivers/of
parent10fb7853084356ef3c6b40ddf21dfb05dbd15691 (diff)
parent6d4afd96fc94a3f2d256ef4e8d7c9687a145a701 (diff)
downloadbarebox-3975737a7d48b3c767f60be994d55884321d45f9.tar.gz
barebox-3975737a7d48b3c767f60be994d55884321d45f9.tar.xz
Merge branch 'for-next/misc'
Diffstat (limited to 'drivers/of')
-rw-r--r--drivers/of/barebox.c29
-rw-r--r--drivers/of/of_path.c12
2 files changed, 11 insertions, 30 deletions
diff --git a/drivers/of/barebox.c b/drivers/of/barebox.c
index 224674240e..1b3078eb47 100644
--- a/drivers/of/barebox.c
+++ b/drivers/of/barebox.c
@@ -26,42 +26,15 @@
#include <envfs.h>
#include <linux/mtd/mtd.h>
-struct of_partition {
- struct list_head list;
- char *nodepath;
- struct device_d *dev;
- struct device_node *of_partitions;
-};
-
-static LIST_HEAD(of_partition_list);
-
static int environment_probe(struct device_d *dev)
{
char *path;
int ret;
- ret = of_find_path(dev->device_node, "device-path", &path);
+ ret = of_find_path(dev->device_node, "device-path", &path, OF_FIND_PATH_FLAGS_BB);
if (ret)
return ret;
- /*
- * The environment support is not bad block aware, hence we
- * have to use the .bb device. Test if we have a nand device
- * and if yes, append .bb to the filename.
- */
- if (!strncmp(path, "/dev/", 5)) {
- struct cdev *cdev;
- char *cdevname;
-
- cdevname = path + 5;
- cdev = cdev_by_name(cdevname);
- if (cdev && cdev->mtd && mtd_can_have_bb(cdev->mtd)) {
- char *bbpath = asprintf("%s.bb", path);
- free(path);
- path = bbpath;
- }
- }
-
dev_info(dev, "setting default environment path to %s\n", path);
default_environment_path_set(path);
diff --git a/drivers/of/of_path.c b/drivers/of/of_path.c
index df63c5782a..2dc784851d 100644
--- a/drivers/of/of_path.c
+++ b/drivers/of/of_path.c
@@ -21,6 +21,8 @@
#include <malloc.h>
#include <of.h>
+#include <linux/mtd/mtd.h>
+
struct of_path {
struct cdev *cdev;
struct device_d *dev;
@@ -112,6 +114,7 @@ out:
* @propname: the property name of the path description
* @outpath: if this function returns 0 outpath will contain the path belonging
* to the input path description. Must be freed with free().
+ * @flags: use OF_FIND_PATH_FLAGS_BB to return the .bb device if available
*
* paths in the devicetree have the form of a multistring property. The first
* string contains the full path to the physical device containing the path.
@@ -127,11 +130,12 @@ out:
* device-path = &mmc0, "partname:0";
* device-path = &norflash, "partname:barebox-environment";
*/
-int of_find_path(struct device_node *node, const char *propname, char **outpath)
+int of_find_path(struct device_node *node, const char *propname, char **outpath, unsigned flags)
{
struct of_path op = {};
struct device_node *rnode;
const char *path, *str;
+ bool add_bb = false;
int i, ret;
path = of_get_property(node, propname, NULL);
@@ -166,7 +170,11 @@ int of_find_path(struct device_node *node, const char *propname, char **outpath)
if (!op.cdev)
return -ENOENT;
- *outpath = asprintf("/dev/%s", op.cdev->name);
+ if ((flags & OF_FIND_PATH_FLAGS_BB) && op.cdev->mtd &&
+ mtd_can_have_bb(op.cdev->mtd))
+ add_bb = true;
+
+ *outpath = asprintf("/dev/%s%s", op.cdev->name, add_bb ? ".bb" : "");
return 0;
}