From 1e90d9fd3148cebcd6f87cbbaed564b878e2b24a Mon Sep 17 00:00:00 2001 From: Jagan Teki Date: Tue, 29 Sep 2015 18:06:04 +0530 Subject: sf: Move read_id code to sf_ops read_id code is related to spi_flash stuff hence moved to sf_ops. Tested-by: Jagan Teki Tested-by: Bin Meng Reviewed-by: Bin Meng Reviewed-by: Simon Glass Signed-off-by: Jagan Teki --- drivers/mtd/spi/sf_ops.c | 21 ++++++++++++++++++--- 1 file changed, 18 insertions(+), 3 deletions(-) (limited to 'drivers/mtd/spi/sf_ops.c') diff --git a/drivers/mtd/spi/sf_ops.c b/drivers/mtd/spi/sf_ops.c index 306db8f56e1..54c6468e424 100644 --- a/drivers/mtd/spi/sf_ops.c +++ b/drivers/mtd/spi/sf_ops.c @@ -898,14 +898,29 @@ int spi_flash_decode_fdt(const void *blob, struct spi_flash *flash) } #endif /* CONFIG_IS_ENABLED(OF_CONTROL) */ -int spi_flash_scan(struct spi_slave *spi, u8 *idcode, struct spi_flash *flash) +int spi_flash_scan(struct spi_slave *spi, struct spi_flash *flash) { const struct spi_flash_params *params; + u16 jedec, ext_jedec; + u8 idcode[5]; u8 cmd; - u16 jedec = idcode[1] << 8 | idcode[2]; - u16 ext_jedec = idcode[3] << 8 | idcode[4]; int ret; + /* Read the ID codes */ + ret = spi_flash_cmd(spi, CMD_READ_ID, idcode, sizeof(idcode)); + if (ret) { + printf("SF: Failed to get idcodes\n"); + return -EINVAL; + } + +#ifdef DEBUG + printf("SF: Got idcodes\n"); + print_buffer(0, idcode, 1, sizeof(idcode), 0); +#endif + + jedec = idcode[1] << 8 | idcode[2]; + ext_jedec = idcode[3] << 8 | idcode[4]; + /* Validate params from spi_flash_params table */ params = spi_flash_params_table; for (; params->name != NULL; params++) { -- cgit v1.2.3