#define SFP_PHY_ADDR 22
#define SFP_PHY_ADDR_ROLLBALL 17
+/* SFP_EEPROM_BLOCK_SIZE is the size of data chunk to read the EEPROM
+ * at a time. Some SFP modules and also some Linux I2C drivers do not like
+ * reads longer than 16 bytes.
+ */
+#define SFP_EEPROM_BLOCK_SIZE 16
+
struct sff_data {
unsigned int gpios;
bool (*module_supported)(const struct sfp_eeprom_id *id);
u8 check;
int ret;
- /* Some SFP modules and also some Linux I2C drivers do not like reads
- * longer than 16 bytes, so read the EEPROM in chunks of 16 bytes at
- * a time.
- */
- sfp->i2c_block_size = 16;
+ sfp->i2c_block_size = SFP_EEPROM_BLOCK_SIZE;
ret = sfp_read(sfp, false, 0, &id.base, sizeof(id.base));
if (ret < 0) {
return ERR_PTR(-ENOMEM);
sfp->dev = dev;
+ sfp->i2c_block_size = SFP_EEPROM_BLOCK_SIZE;
mutex_init(&sfp->sm_mutex);
mutex_init(&sfp->st_mutex);