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| author | Steffen Trumtrar <s.trumtrar@pengutronix.de> | 2019-05-03 11:33:59 +0200 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2019-05-08 10:52:51 +0200 |
| commit | b90c959f5cb71d53c3ecaf4ffe39424aaf346b51 (patch) | |
| tree | d25e83dcc9c506f8fdd7a12dbe97a0dd28fab4a8 /include | |
| parent | 8e3318b5bc593c5366edda37cde717c4f4a36ad5 (diff) | |
| download | barebox-b90c959f5cb71d53c3ecaf4ffe39424aaf346b51.tar.gz barebox-b90c959f5cb71d53c3ecaf4ffe39424aaf346b51.tar.xz | |
mtd: spi-nor: provide default erase_sector implementation
Based on the Linux v4.4 patch
commit c67cbb839da9cc2757eabfa128556db6a2baf160
Author: Brian Norris <computersforpeace@gmail.com>
AuthorDate: Tue Nov 10 12:15:27 2015 -0800
Commit: Brian Norris <computersforpeace@gmail.com>
CommitDate: Thu Nov 19 13:34:44 2015 -0800
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>
Signed-off-by: Steffen Trumtrar <s.trumtrar@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'include')
| -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 eec5a890eb..33413ff955 100644 --- a/include/linux/mtd/spi-nor.h +++ b/include/linux/mtd/spi-nor.h @@ -214,7 +214,8 @@ enum spi_nor_option_flags { * @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() * @priv: the private data */ struct spi_nor { |