diff options
Diffstat (limited to 'spiflash_n25q128.c')
| -rw-r--r-- | spiflash_n25q128.c | 21 |
1 files changed, 4 insertions, 17 deletions
diff --git a/spiflash_n25q128.c b/spiflash_n25q128.c index 35a2fcf..133ecb4 100644 --- a/spiflash_n25q128.c +++ b/spiflash_n25q128.c @@ -360,8 +360,10 @@ static int _n25q128_get_wel_flag(struct spiflash_ctx *ctx) } -/* This function performs erasure if needed, and then writing of a number of pages to the flash memory */ -int n25q128_write_data(struct spiflash_ctx *ctx, uint32_t offset, const uint8_t *buf, const uint32_t len, const int auto_erase) +/* This function writes of a number of pages to the flash memory. + * The caller is responsible for ensuring that the pages have been erased. + */ +int n25q128_write_data(struct spiflash_ctx *ctx, uint32_t offset, const uint8_t *buf, const uint32_t len) { uint32_t page; @@ -369,21 +371,6 @@ int n25q128_write_data(struct spiflash_ctx *ctx, uint32_t offset, const uint8_t if ((offset % N25Q128_PAGE_SIZE) != 0) return -1; if ((len % N25Q128_PAGE_SIZE) != 0) return -2; - if (auto_erase && (offset % N25Q128_SECTOR_SIZE) == 0) { - /* - * first page in sector, need to erase sector - * - * So why do we only do this when the buffer starts on the - * sector, as opposed to performing this check for every page? - * Also, might be better to do this by subsectors rather than - * sectors. - */ - - if (! n25q128_erase_sector(ctx, offset / N25Q128_SECTOR_SIZE)) { - return -4; - } - } - for (page = 0; page < len / N25Q128_PAGE_SIZE; page++) { if (! n25q128_write_page(ctx, offset / N25Q128_PAGE_SIZE, buf)) { return -6; |