diff options
| author |   Boris Brezillon <bbrezillon@kernel.org> | 2020-03-13 19:42:39 +0000 |
|---|---|---|
| committer |   Tudor Ambarus <tudor.ambarus@microchip.com> | 2020-03-17 09:28:02 +0200 |
| commit | 9ec4bbcb2044ea1f380c9feceb10654dd5a35a95 (patch) | |
| tree | 6a518fe2544869bfbcb73343e3790d55adacdd31 /include/linux/mtd | |
| parent | mtd: spi-nor: Expose stuctures and functions to manufacturer drivers (diff) | |
| download | wireguard-linux-9ec4bbcb2044ea1f380c9feceb10654dd5a35a95.tar.xz wireguard-linux-9ec4bbcb2044ea1f380c9feceb10654dd5a35a95.zip | |
mtd: spi-nor: Add the concept of SPI NOR manufacturer driver
Declare a spi_nor_manufacturer struct and add basic building blocks to
move manufacturer specific code outside of the core.
Signed-off-by: Boris Brezillon <bbrezillon@kernel.org>
Signed-off-by: Tudor Ambarus <tudor.ambarus@microchip.com>
Reviewed-by: Vignesh Raghavendra <vigneshr@ti.com>
Diffstat (limited to 'include/linux/mtd')
| -rw-r--r-- | include/linux/mtd/spi-nor.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/include/linux/mtd/spi-nor.h b/include/linux/mtd/spi-nor.h index 2b9717b0cd62..bf37bfc68797 100644 --- a/include/linux/mtd/spi-nor.h +++ b/include/linux/mtd/spi-nor.h @@ -555,6 +555,12 @@ struct spi_nor_flash_parameter { struct flash_info; /** + * struct spi_nor_manufacturer - Forward declaration of a structure used + * internally by the core and manufacturer drivers. + */ +struct spi_nor_manufacturer; + +/** * struct spi_nor - Structure for defining a the SPI NOR layer * @mtd: point to a mtd_info structure * @lock: the lock for the read/write/erase/lock/unlock operations @@ -564,6 +570,7 @@ struct flash_info; * layer is not DMA-able * @bouncebuf_size: size of the bounce buffer * @info: spi-nor part JDEC MFR id and other info + * @manufacturer: spi-nor manufacturer * @page_size: the page size of the SPI NOR * @addr_width: number of address bytes * @erase_opcode: the opcode for erasing a sector @@ -591,6 +598,7 @@ struct spi_nor { u8 *bouncebuf; size_t bouncebuf_size; const struct flash_info *info; + const struct spi_nor_manufacturer *manufacturer; u32 page_size; u8 addr_width; u8 erase_opcode; |