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-rw-r--r--drivers/mtd/spi/sf_internal.h3
-rw-r--r--drivers/mtd/spi/spi_flash.c4
2 files changed, 4 insertions, 3 deletions
diff --git a/drivers/mtd/spi/sf_internal.h b/drivers/mtd/spi/sf_internal.h
index 70ea4b0..9642265 100644
--- a/drivers/mtd/spi/sf_internal.h
+++ b/drivers/mtd/spi/sf_internal.h
@@ -107,6 +107,7 @@ int sst_write_bp(struct spi_flash *flash, u32 offset, size_t len,
#define JEDEC_MFR(info) ((info)->id[0])
#define JEDEC_ID(info) (((info)->id[1]) << 8 | ((info)->id[2]))
#define JEDEC_EXT(info) (((info)->id[3]) << 8 | ((info)->id[4]))
+#define SPI_FLASH_MAX_ID_LEN 5
struct spi_flash_info {
/* Device name ([MANUFLETTER][DEVTYPE][DENSITY][EXTRAINFO]) */
@@ -117,7 +118,7 @@ struct spi_flash_info {
* The first three bytes are the JEDIC ID.
* JEDEC ID zero means "no ID" (mostly older chips).
*/
- u8 id[5];
+ u8 id[SPI_FLASH_MAX_ID_LEN];
u8 id_len;
/*
diff --git a/drivers/mtd/spi/spi_flash.c b/drivers/mtd/spi/spi_flash.c
index f7634df..9430424 100644
--- a/drivers/mtd/spi/spi_flash.c
+++ b/drivers/mtd/spi/spi_flash.c
@@ -928,10 +928,10 @@ static int micron_quad_enable(struct spi_flash *flash)
static const struct spi_flash_info *spi_flash_read_id(struct spi_flash *flash)
{
int tmp;
- u8 id[5];
+ u8 id[SPI_FLASH_MAX_ID_LEN];
const struct spi_flash_info *info;
- tmp = spi_flash_cmd(flash->spi, CMD_READ_ID, id, 5);
+ tmp = spi_flash_cmd(flash->spi, CMD_READ_ID, id, SPI_FLASH_MAX_ID_LEN);
if (tmp < 0) {
printf("SF: error %d reading JEDEC ID\n", tmp);
return ERR_PTR(tmp);