xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

mtd: spi-nor: make spi_nor_scan() take a chip type name, not spi_device_id

Browse Source 
Drivers currently call spi_nor_match_id() and then spi_nor_scan().
This adds a dependency on struct spi_device_id which we want to
avoid.  Make spi_nor_scan() do it for them.

Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
This commit is contained in:
Ben Hutchings
2014-09-29 11:47:54 +02:00
committed by Brian Norris
parent 90e55b3812
commit 70f3ce0510
4 changed files with 14 additions and 30 deletions
Download Patch File Download Diff File Expand all files Collapse all files

20
include/linux/mtd/spi-nor.h
View File

@@ -187,32 +187,18 @@ struct spi_nor {
/**
* spi_nor_scan() - scan the SPI NOR
* @nor: the spi_nor structure
* @id: the spi_device_id provided by the driver
* @name: the chip type name
* @mode: the read mode supported by the driver
*
* The drivers can use this fuction to scan the SPI NOR.
* In the scanning, it will try to get all the necessary information to
* fill the mtd_info{} and the spi_nor{}.
*
* The board may assigns a spi_device_id with @id which be used to compared with
* the spi_device_id detected by the scanning.
* The chip type name can be provided through the @name parameter.
*
* Return: 0 for success, others for failure.
*/
int spi_nor_scan(struct spi_nor *nor, const struct spi_device_id *id,
enum read_mode mode);
int spi_nor_scan(struct spi_nor *nor, const char *name, 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