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| author |   Michael Walle <michael@walle.cc> | 2021-05-03 17:56:50 +0200 |
|---|---|---|
| committer |   Vignesh Raghavendra <vigneshr@ti.com> | 2021-06-15 23:18:31 +0530 |
| commit | 65b6d89d45a77256b743f421d109d469baefa688 (patch) | |
| tree | 209a48895a388127b37bf12f39babd4eb83d14d2 /include/linux/mtd | |
| parent | mtd: spi-nor: otp: implement erase for Winbond and similar flashes (diff) | |
| download | linux-dev-65b6d89d45a77256b743f421d109d469baefa688.tar.xz linux-dev-65b6d89d45a77256b743f421d109d469baefa688.zip | |
mtd: spi-nor: sfdp: save a copy of the SFDP data
Due to possible mode switching to 8D-8D-8D, it might not be possible to
read the SFDP after the initial probe. To be able to dump the SFDP via
sysfs afterwards, make a complete copy of it.
Signed-off-by: Michael Walle <michael@walle.cc>
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
Tested-by: Heiko Thiery <heiko.thiery@gmail.com>
Reviewed-by: Pratyush Yadav <p.yadav@ti.com>
Diffstat (limited to 'include/linux/mtd')
| -rw-r--r-- | include/linux/mtd/spi-nor.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/mtd/spi-nor.h b/include/linux/mtd/spi-nor.h index 98ed91b529ea..f67457748ed8 100644 --- a/include/linux/mtd/spi-nor.h +++ b/include/linux/mtd/spi-nor.h @@ -383,6 +383,7 @@ struct spi_nor_flash_parameter; * @read_proto: the SPI protocol for read operations * @write_proto: the SPI protocol for write operations * @reg_proto: the SPI protocol for read_reg/write_reg/erase operations + * @sfdp: the SFDP data of the flash * @controller_ops: SPI NOR controller driver specific operations. * @params: [FLASH-SPECIFIC] SPI NOR flash parameters and settings. * The structure includes legacy flash parameters and @@ -412,6 +413,7 @@ struct spi_nor { bool sst_write_second; u32 flags; enum spi_nor_cmd_ext cmd_ext_type; + struct sfdp *sfdp; const struct spi_nor_controller_ops *controller_ops; |