diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/misc/eeprom/at24.c | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/drivers/misc/eeprom/at24.c b/drivers/misc/eeprom/at24.c index b806a403ca46..63aa541c9608 100644 --- a/drivers/misc/eeprom/at24.c +++ b/drivers/misc/eeprom/at24.c @@ -641,11 +641,14 @@ static int at24_probe(struct i2c_client *client) if (!is_power_of_2(page_size)) dev_warn(dev, "page_size looks suspicious (no power of 2)!\n"); - if (flags & AT24_FLAG_TAKE8ADDR) - num_addresses = 8; - else - num_addresses = DIV_ROUND_UP(byte_len, - (flags & AT24_FLAG_ADDR16) ? 65536 : 256); + err = device_property_read_u32(dev, "num-addresses", &num_addresses); + if (err) { + if (flags & AT24_FLAG_TAKE8ADDR) + num_addresses = 8; + else + num_addresses = DIV_ROUND_UP(byte_len, + (flags & AT24_FLAG_ADDR16) ? 65536 : 256); + } if ((flags & AT24_FLAG_SERIAL) && (flags & AT24_FLAG_MAC)) { dev_err(dev, |
