[U-Boot] [PATCH v7 06/13] mtd: uclass: add probe function
Stefan Roese
sr at denx.de
Sat Sep 1 08:51:41 UTC 2018
On 31.08.2018 16:57, Miquel Raynal wrote:
> 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 at bootlin.com>
> Acked-by: Jagan Teki <jagan at openedev.com>
> ---
> drivers/mtd/mtd-uclass.c | 16 ++++++++++++++++
> include/mtd.h | 2 ++
> 2 files changed, 18 insertions(+)
>
> 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.
> diff --git a/include/mtd.h b/include/mtd.h
> index 548e7f191b..6e6da3002f 100644
> --- a/include/mtd.h
> +++ b/include/mtd.h
> @@ -19,4 +19,6 @@ static inline struct mtd_info *mtd_get_info(struct udevice *dev)
> return dev_get_uclass_priv(dev);
> }
>
> +int mtd_probe(struct udevice *dev);
> +
> #endif /* _MTD_H_ */
>
Reviewed-by: Stefan Roese <sr at denx.de>
Thanks,
Stefan
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