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| author | Miquel Raynal <miquel.raynal@bootlin.com> | 2018-09-29 12:58:24 +0200 |
|---|---|---|
| committer | Jagan Teki <jagan@amarulasolutions.com> | 2018-10-02 22:12:31 +0530 |
| commit | e9f62db64b55fa3451731781cc3b1d3bdd271d54 (patch) | |
| tree | 3081404419aad5fbb63267e564aec7c58ea9e8b3 /drivers/mtd | |
| parent | 739def7253c4b782bcb9cc816edf3b2f2aeafb4e (diff) | |
| download | u-boot-e9f62db64b55fa3451731781cc3b1d3bdd271d54.zip u-boot-e9f62db64b55fa3451731781cc3b1d3bdd271d54.tar.gz u-boot-e9f62db64b55fa3451731781cc3b1d3bdd271d54.tar.bz2 | |
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.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/mtd/mtd-uclass.c b/drivers/mtd/mtd-uclass.c index 9ca049c..5418217 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. |