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| author | Brian Norris | 2015-11-10 21:15:27 +0100 |
|---|---|---|
| committer | Brian Norris | 2015-11-19 22:34:44 +0100 |
| commit | c67cbb839da9cc2757eabfa128556db6a2baf160 (patch) | |
| tree | 1a8f6a07ef4ec5af82bb9af9d04c309ca34bb7bb /include/linux/mtd/spi-nor.h | |
| parent | doc: mtd: nand: update examples to use mtd_to_nand() (diff) | |
| download | kernel-qcow2-linux-c67cbb839da9cc2757eabfa128556db6a2baf160.tar.gz kernel-qcow2-linux-c67cbb839da9cc2757eabfa128556db6a2baf160.tar.xz kernel-qcow2-linux-c67cbb839da9cc2757eabfa128556db6a2baf160.zip | |
mtd: spi-nor: provide default erase_sector implementation
Some spi-nor drivers perform sector erase by duplicating their
write_reg() command. Let's not require that the driver fill this out,
and provide a default instead.
Tested on m25p80.c and Medatek's MT8173 SPI NOR flash driver.
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Diffstat (limited to 'include/linux/mtd/spi-nor.h')
| -rw-r--r-- | include/linux/mtd/spi-nor.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/include/linux/mtd/spi-nor.h b/include/linux/mtd/spi-nor.h index 955f268d159a..7bed97471e53 100644 --- a/include/linux/mtd/spi-nor.h +++ b/include/linux/mtd/spi-nor.h @@ -143,7 +143,8 @@ struct mtd_info; * @read: [DRIVER-SPECIFIC] read data from the SPI NOR * @write: [DRIVER-SPECIFIC] write data to the SPI NOR * @erase: [DRIVER-SPECIFIC] erase a sector of the SPI NOR - * at the offset @offs + * at the offset @offs; if not provided by the driver, + * spi-nor will send the erase opcode via write_reg() * @flash_lock: [FLASH-SPECIFIC] lock a region of the SPI NOR * @flash_unlock: [FLASH-SPECIFIC] unlock a region of the SPI NOR * @flash_is_locked: [FLASH-SPECIFIC] check if a region of the SPI NOR is |