diff options
Diffstat (limited to 'drivers/mtd/spi/winbond.c')
-rw-r--r-- | drivers/mtd/spi/winbond.c | 39 |
1 files changed, 13 insertions, 26 deletions
diff --git a/drivers/mtd/spi/winbond.c b/drivers/mtd/spi/winbond.c index 3db0cb0..45bd146 100644 --- a/drivers/mtd/spi/winbond.c +++ b/drivers/mtd/spi/winbond.c @@ -34,18 +34,6 @@ struct winbond_spi_flash_params { const char *name; }; -/* spi_flash needs to be first so upper layers can free() it */ -struct winbond_spi_flash { - struct spi_flash flash; - const struct winbond_spi_flash_params *params; -}; - -static inline struct winbond_spi_flash * -to_winbond_spi_flash(struct spi_flash *flash) -{ - return container_of(flash, struct winbond_spi_flash, flash); -} - static const struct winbond_spi_flash_params winbond_spi_flash_table[] = { { .id = 0x3015, @@ -113,9 +101,9 @@ static int winbond_erase(struct spi_flash *flash, u32 offset, size_t len) struct spi_flash *spi_flash_probe_winbond(struct spi_slave *spi, u8 *idcode) { const struct winbond_spi_flash_params *params; - unsigned page_size; - struct winbond_spi_flash *stm; + struct spi_flash *flash; unsigned int i; + unsigned page_size; for (i = 0; i < ARRAY_SIZE(winbond_spi_flash_table); i++) { params = &winbond_spi_flash_table[i]; @@ -129,27 +117,26 @@ struct spi_flash *spi_flash_probe_winbond(struct spi_slave *spi, u8 *idcode) return NULL; } - stm = malloc(sizeof(struct winbond_spi_flash)); - if (!stm) { + flash = malloc(sizeof(*flash)); + if (!flash) { debug("SF: Failed to allocate memory\n"); return NULL; } - stm->params = params; - stm->flash.spi = spi; - stm->flash.name = params->name; + flash->spi = spi; + flash->name = params->name; /* Assuming power-of-two page size initially. */ page_size = 1 << params->l2_page_size; - stm->flash.write = spi_flash_cmd_write_multi; - stm->flash.erase = winbond_erase; - stm->flash.read = spi_flash_cmd_read_fast; - stm->flash.page_size = page_size; - stm->flash.sector_size = page_size * stm->params->pages_per_sector; - stm->flash.size = page_size * params->pages_per_sector + flash->write = spi_flash_cmd_write_multi; + flash->erase = winbond_erase; + flash->read = spi_flash_cmd_read_fast; + flash->page_size = page_size; + flash->sector_size = page_size * params->pages_per_sector; + flash->size = page_size * params->pages_per_sector * params->sectors_per_block * params->nr_blocks; - return &stm->flash; + return flash; } |