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Commit 950bcbbe authored by Bartosz Golaszewski's avatar Bartosz Golaszewski
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eeprom: at24: implement support for 'num-addresses' property 



If the device node defines 'num-addresses', let it override the default
behavior.

Signed-off-by: default avatarBartosz Golaszewski <bgolaszewski@baylibre.com>
parent e7224a11

drivers/misc/eeprom/at24.c

+8 −5
Original line number Diff line number Diff line
@@ -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");



	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,