diff options
Diffstat (limited to 'drivers/mtd/spi-nor')
| -rw-r--r-- | drivers/mtd/spi-nor/core.c | 3 | ||||
| -rw-r--r-- | drivers/mtd/spi-nor/core.h | 3 |
2 files changed, 5 insertions, 1 deletions
diff --git a/drivers/mtd/spi-nor/core.c b/drivers/mtd/spi-nor/core.c index 7b4850f94223..ae991ff458a0 100644 --- a/drivers/mtd/spi-nor/core.c +++ b/drivers/mtd/spi-nor/core.c @@ -2885,6 +2885,7 @@ static void spi_nor_info_init_params(struct spi_nor *nor) nor->flags |= SNOR_F_HAS_16BIT_SR; /* Set SPI NOR sizes. */ + params->writesize = 1; params->size = (u64)info->sector_size * info->n_sectors; params->page_size = info->page_size; @@ -3430,7 +3431,7 @@ int spi_nor_scan(struct spi_nor *nor, const char *name, mtd->name = dev_name(dev); mtd->priv = nor; mtd->type = MTD_NORFLASH; - mtd->writesize = 1; + mtd->writesize = nor->params->writesize; mtd->flags = MTD_CAP_NORFLASH; mtd->size = nor->params->size; mtd->_erase = spi_nor_erase; diff --git a/drivers/mtd/spi-nor/core.h b/drivers/mtd/spi-nor/core.h index 0a775a7b5606..5ab3f269a23c 100644 --- a/drivers/mtd/spi-nor/core.h +++ b/drivers/mtd/spi-nor/core.h @@ -193,6 +193,8 @@ struct spi_nor_locking_ops { * Serial Flash Discoverable Parameters (SFDP) tables. * * @size: the flash memory density in bytes. + * @writesize Minimal writable flash unit size. Defaults to 1. Set to + * ECC unit size for ECC-ed flashes. * @page_size: the page size of the SPI NOR flash memory. * @rdsr_dummy: dummy cycles needed for Read Status Register command. * @rdsr_addr_nbytes: dummy address bytes needed for Read Status Register @@ -219,6 +221,7 @@ struct spi_nor_locking_ops { */ struct spi_nor_flash_parameter { u64 size; + u32 writesize; u32 page_size; u8 rdsr_dummy; u8 rdsr_addr_nbytes; |