tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
eeprom: at24: implement support for 'num-addresses' property
If the device node defines 'num-addresses', let it override the default
behavior.
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
+8
-5
+8
-5
drivers/misc/eeprom/at24.c
+8
-5
drivers/misc/eeprom/at24.c
···
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if (!is_power_of_2(page_size))
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dev_warn(dev, "page_size looks suspicious (no power of 2)!\n");
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-
if (flags & AT24_FLAG_TAKE8ADDR)
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-
num_addresses = 8;
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-
else
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-
num_addresses = DIV_ROUND_UP(byte_len,
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-
(flags & AT24_FLAG_ADDR16) ? 65536 : 256);
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+
err = device_property_read_u32(dev, "num-addresses", &num_addresses);
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if (err) {
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if (flags & AT24_FLAG_TAKE8ADDR)
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num_addresses = 8;
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else
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num_addresses = DIV_ROUND_UP(byte_len,
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(flags & AT24_FLAG_ADDR16) ? 65536 : 256);
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+
}
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if ((flags & AT24_FLAG_SERIAL) && (flags & AT24_FLAG_MAC)) {
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dev_err(dev,