diff options
| author | Vadim Bendebury <vbendeb@chromium.org> | 2011-09-11 20:26:21 -0700 |
|---|---|---|
| committer | Vadim Bendebury <vbendeb@chromium.org> | 2011-09-12 10:53:04 -0700 |
| commit | 9f73d3dd20e1eac2e27d56992d94dc3d4bdbb883 (patch) | |
| tree | 58a4f059c8c381e39be5712023592c5a6fd26e4d /drivers | |
| parent | 229b9ac840b06c99aedde5182d5c6ef6a28b7f21 (diff) | |
Use smaller erase units in Macronix SPI flash driver.
This change reduces the erase unit size to 4K from 64K, which
allows for more efficient use of the Macronix SPI flash.
BUG=chromium-os:20105
TEST=manual
. this change was tested combined with other modification, the
ability to read and save the 16KB environment in a Macronix SPI
flash was demonstrated.
Change-Id: Icb723673079d755ffd9d89ac8d1286592722aa52
Signed-off-by: Vadim Bendebury <vbendeb@chromium.org>
Reviewed-on: http://gerrit.chromium.org/gerrit/7533
Reviewed-by: Stefan Reinauer <reinauer@google.com>
Reviewed-by: Mike Frysinger <vapier@chromium.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/mtd/spi/macronix.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/mtd/spi/macronix.c b/drivers/mtd/spi/macronix.c index 186aea2981..ca0003ebc7 100644 --- a/drivers/mtd/spi/macronix.c +++ b/drivers/mtd/spi/macronix.c @@ -179,7 +179,7 @@ static int macronix_write(struct spi_flash *flash, static int macronix_erase(struct spi_flash *flash, u32 offset, size_t len) { - return spi_flash_cmd_erase(flash, CMD_MX25XX_BE, offset, len); + return spi_flash_cmd_erase(flash, CMD_MX25XX_SE, offset, len); } struct spi_flash *spi_flash_probe_macronix(struct spi_slave *spi, u8 *idcode) @@ -217,9 +217,9 @@ struct spi_flash *spi_flash_probe_macronix(struct spi_slave *spi, u8 *idcode) #else mcx->flash.read = spi_flash_cmd_read_fast; #endif - mcx->flash.sector_size = params->page_size * params->pages_per_sector - * params->sectors_per_block; - mcx->flash.size = mcx->flash.sector_size * params->nr_blocks; + mcx->flash.sector_size = params->page_size * params->pages_per_sector; + mcx->flash.size = mcx->flash.sector_size * params->sectors_per_block * + params->nr_blocks; return &mcx->flash; } |