#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]) */
* 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;
/*
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);