[U-Boot] [PATCH v4 25/27] mtd: uclass: add probe function

Miquel Raynal
2018-07-13T12:32:11Z

The user might want to trigger the probe of any MTD device, export these
functions so they can be called from a command source file.

Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
---
drivers/mtd/mtd-uclass.c | 9 +++++++++
include/linux/mtd/mtd.h | 3 +++
2 files changed, 12 insertions(+)

diff --git a/drivers/mtd/mtd-uclass.c b/drivers/mtd/mtd-uclass.c
index 9ca049c437..9a9470410c 100644
--- a/drivers/mtd/mtd-uclass.c
+++ b/drivers/mtd/mtd-uclass.c
@@ -5,6 +5,7 @@

#include <common.h>
#include <dm.h>
+#include <dm/device-internal.h>
#include <errno.h>
#include <mtd.h>

@@ -13,6 +14,14 @@
* The uclass private is pointed to mtd_info.
*/

+int mtd_probe(struct udevice *dev)
+{
+ if (device_active(dev))
+ return 0;
+
+ return device_probe(dev);
+}
+
UCLASS_DRIVER(mtd) = {
.id = UCLASS_MTD,
.name = "mtd",
diff --git a/include/linux/mtd/mtd.h b/include/linux/mtd/mtd.h
index cba1b9e875..285875f4cf 100644
--- a/include/linux/mtd/mtd.h
+++ b/include/linux/mtd/mtd.h
@@ -537,5 +537,8 @@ int mtd_arg_off_size(int argc, char *const argv[], int *idx, loff_t *off,
void mtd_get_len_incl_bad(struct mtd_info *mtd, uint64_t offset,
const uint64_t length, uint64_t *len_incl_bad,
int *truncated);
+
+int mtd_probe(struct udevice *dev);
+
#endif
#endif /* __MTD_MTD_H__ */
--
2.14.1