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spi-nor: Remove spi_nor::read_id operation 

There is currently no useful way to override the default
implementation of this operation.  The returned struct spi_device_id
must have a pointer to struct flash_info in its private data, but this
structure is defined inside spi-nor.

Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
This commit is contained in:
Ben Hutchings 2014-09-30 03:15:04 +01:00 committed by Brian Norris
parent 8c98d2554f
commit e66fcf722a
2 changed files with 1 additions and 6 deletions
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4
drivers/mtd/spi-nor/spi-nor.c
View File

@ -904,8 +904,6 @@ static int spi_nor_check(struct spi_nor *nor)
return -EINVAL;
}
if (!nor->read_id)
nor->read_id = spi_nor_read_id;
if (!nor->wait_till_ready)
nor->wait_till_ready = spi_nor_wait_till_ready;
@ -935,7 +933,7 @@ int spi_nor_scan(struct spi_nor *nor, const char *name, enum read_mode mode)
if (info->jedec_id) {
const struct spi_device_id *jid;
jid = nor->read_id(nor);
jid = spi_nor_read_id(nor);
if (IS_ERR(jid)) {
return PTR_ERR(jid);
} else if (jid != id) {

3
include/linux/mtd/spi-nor.h
View File

@ -139,8 +139,6 @@ enum spi_nor_ops {
* @write_xfer: [OPTIONAL] the writefundamental primitive
* @read_reg: [DRIVER-SPECIFIC] read out the register
* @write_reg: [DRIVER-SPECIFIC] write data to the register
* @read_id: [REPLACEABLE] read out the ID data, and find
* the proper spi_device_id
* @wait_till_ready: [REPLACEABLE] wait till the NOR becomes ready
* @read: [DRIVER-SPECIFIC] read data from the SPI NOR
* @write: [DRIVER-SPECIFIC] write data to the SPI NOR
@ -172,7 +170,6 @@ struct spi_nor {
int (*read_reg)(struct spi_nor *nor, u8 opcode, u8 *buf, int len);
int (*write_reg)(struct spi_nor *nor, u8 opcode, u8 *buf, int len,
int write_enable);
const struct spi_device_id *(*read_id)(struct spi_nor *nor);
int (*wait_till_ready)(struct spi_nor *nor);
int (*read)(struct spi_nor *nor, loff_t from,