diff options
Diffstat (limited to 'drivers/mtd/spi')
| -rw-r--r-- | drivers/mtd/spi/sf_dataflash.c | 19 |
1 files changed, 10 insertions, 9 deletions
diff --git a/drivers/mtd/spi/sf_dataflash.c b/drivers/mtd/spi/sf_dataflash.c index 6a9dfef..7c6c8d2 100644 --- a/drivers/mtd/spi/sf_dataflash.c +++ b/drivers/mtd/spi/sf_dataflash.c @@ -501,9 +501,10 @@ static struct flash_info dataflash_data[] = { { "at45db642d", 0x1f2800, 8192, 1024, 10, SUP_POW2PS | IS_POW2PS}, }; -static struct flash_info *jedec_probe(struct spi_slave *spi, u8 *id) +static struct flash_info *jedec_probe(struct spi_slave *spi) { int tmp; + uint8_t id[5]; uint32_t jedec; struct flash_info *info; int status; @@ -517,6 +518,11 @@ static struct flash_info *jedec_probe(struct spi_slave *spi, u8 *id) * That's not an error; only rev C and newer chips handle it, and * only Atmel sells these chips. */ + tmp = spi_flash_cmd(spi, CMD_READ_ID, id, sizeof(id)); + if (tmp < 0) { + printf("dataflash: error %d reading JEDEC ID\n", tmp); + return ERR_PTR(tmp); + } if (id[0] != 0x1f) return NULL; @@ -580,7 +586,6 @@ static int spi_dataflash_probe(struct udevice *dev) struct spi_slave *spi = dev_get_parent_priv(dev); struct spi_flash *spi_flash; struct flash_info *info; - u8 idcode[5]; int ret, status = 0; spi_flash = dev_get_uclass_priv(dev); @@ -591,12 +596,6 @@ static int spi_dataflash_probe(struct udevice *dev) if (ret) return ret; - ret = spi_flash_cmd(spi, CMD_READ_ID, idcode, sizeof(idcode)); - if (ret) { - printf("SPI DataFlash: Failed to get idcodes\n"); - goto err_read_cmd; - } - /* * Try to detect dataflash by JEDEC ID. * If it succeeds we know we have either a C or D part. @@ -604,7 +603,9 @@ static int spi_dataflash_probe(struct udevice *dev) * Both support the security register, though with different * write procedures. */ - info = jedec_probe(spi, idcode); + info = jedec_probe(spi); + if (IS_ERR(info)) + return PTR_ERR(info); if (info != NULL) add_dataflash(dev, info->name, info->nr_pages, info->pagesize, info->pageoffset, |