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Commit 0d8c11c0 authored by Huang Shijie's avatar Huang Shijie Committed by Brian Norris
Browse files

mtd: spi-nor: add a helper to find the spi_device_id 



Add the spi_nor_match_id() to find the proper spi_device_id with the
NOR flash's name in the spi_nor_ids table.

Signed-off-by: default avatarHuang Shijie <b32955@freescale.com>
Acked-by: default avatarMarek Vasut <marex@denx.de>
Signed-off-by: default avatarBrian Norris <computersforpeace@gmail.com>
parent 03e296f6

drivers/mtd/spi-nor/spi-nor.c

+12 −0
Original line number Diff line number Diff line
@@ -1082,6 +1082,18 @@ int spi_nor_scan(struct spi_nor *nor, const struct spi_device_id *id, 
	return 0;

}



const struct spi_device_id *spi_nor_match_id(char *name)

{

	const struct spi_device_id *id = spi_nor_ids;



	while (id->name[0]) {

		if (!strcmp(name, id->name))

			return id;

		id++;

	}

	return NULL;

}



MODULE_LICENSE("GPL");

MODULE_AUTHOR("Huang Shijie <shijie8@gmail.com>");

MODULE_AUTHOR("Mike Lavender");

include/linux/mtd/spi-nor.h

+12 −0
Original line number Diff line number Diff line
@@ -182,4 +182,16 @@ int spi_nor_scan(struct spi_nor *nor, const struct spi_device_id *id, 
			enum read_mode mode);

extern const struct spi_device_id spi_nor_ids[];



/**

 * spi_nor_match_id() - find the spi_device_id by the name

 * @name:	the name of the spi_device_id

 *

 * The drivers use this function to find the spi_device_id

 * specified by the @name.

 *

 * Return: returns the right spi_device_id pointer on success,

 *         and returns NULL on failure.

 */

const struct spi_device_id *spi_nor_match_id(char *name);



#endif