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authorMiquel Raynal <miquel.raynal@bootlin.com>2018-09-29 12:58:24 +0200
committerJagan Teki <jagan@amarulasolutions.com>2018-10-02 22:12:31 +0530
commite9f62db64b55fa3451731781cc3b1d3bdd271d54 (patch)
tree3081404419aad5fbb63267e564aec7c58ea9e8b3 /drivers/mtd
parent739def7253c4b782bcb9cc816edf3b2f2aeafb4e (diff)
mtd: uclass: add probe function
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> Acked-by: Jagan Teki <jagan@openedev.com> Reviewed-by: Stefan Roese <sr@denx.de> Reviewed-by: Boris Brezillon <boris.brezillon@bootlin.com>
Diffstat (limited to 'drivers/mtd')
-rw-r--r--drivers/mtd/mtd-uclass.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/mtd/mtd-uclass.c b/drivers/mtd/mtd-uclass.c
index 9ca049c437..5418217431 100644
--- a/drivers/mtd/mtd-uclass.c
+++ b/drivers/mtd/mtd-uclass.c
@@ -5,9 +5,25 @@
#include <common.h>
#include <dm.h>
+#include <dm/device-internal.h>
#include <errno.h>
#include <mtd.h>
+/**
+ * mtd_probe - Probe the device @dev if not already done
+ *
+ * @dev: U-Boot device to probe
+ *
+ * @return 0 on success, an error otherwise.
+ */
+int mtd_probe(struct udevice *dev)
+{
+ if (device_active(dev))
+ return 0;
+
+ return device_probe(dev);
+}
+
/*
* Implement a MTD uclass which should include most flash drivers.
* The uclass private is pointed to mtd_info.