diff options
Diffstat (limited to 'drivers/dfu/dfu_sf.c')
| -rw-r--r-- | drivers/dfu/dfu_sf.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/drivers/dfu/dfu_sf.c b/drivers/dfu/dfu_sf.c index 448d95d382e..7646c6b7270 100644 --- a/drivers/dfu/dfu_sf.c +++ b/drivers/dfu/dfu_sf.c @@ -23,17 +23,25 @@ static int dfu_read_medium_sf(struct dfu_entity *dfu, u64 offset, void *buf, return spi_flash_read(dfu->data.sf.dev, offset, *len, buf); } +static u64 find_sector(struct dfu_entity *dfu, u64 start, u64 offset) +{ + return (lldiv((start + offset), dfu->data.sf.dev->sector_size)) * + dfu->data.sf.dev->sector_size; +} + static int dfu_write_medium_sf(struct dfu_entity *dfu, u64 offset, void *buf, long *len) { int ret; - ret = spi_flash_erase(dfu->data.sf.dev, offset, + ret = spi_flash_erase(dfu->data.sf.dev, + find_sector(dfu, dfu->data.sf.start, offset), dfu->data.sf.dev->sector_size); if (ret) return ret; - ret = spi_flash_write(dfu->data.sf.dev, offset, *len, buf); + ret = spi_flash_write(dfu->data.sf.dev, dfu->data.sf.start + offset, + *len, buf); if (ret) return ret; |