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eeprom: at24: add support to fetch eeprom device property "size"

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Obtain the size of the EEPROM chip from DT if the "size" property is
specified for the device.

Suggested-by: Andy Shevchenko <[email protected]>
Reviewed-by: Andy Shevchenko <[email protected]>
Reviewed-by: Sakari Ailus <[email protected]>
Signed-off-by: Divagar Mohandass <[email protected]>
Signed-off-by: Wolfram Sang <[email protected]>
This commit is contained in:
Divagar Mohandass 2017-10-10 11:30:36 +05:30 • committed by Wolfram Sang
commit dbc1ab9c12
1 changed files with 4 additions and 0 deletions
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4
drivers/misc/eeprom/at24.c
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@ -570,6 +570,10 @@ static void at24_get_pdata(struct device *dev, struct at24_platform_data *chip)
if (device_property_present(dev, "read-only"))
chip->flags |= AT24_FLAG_READONLY;
err = device_property_read_u32(dev, "size", &val);
if (!err)
chip->byte_len = val;
err = device_property_read_u32(dev, "pagesize", &val);
if (!err) {
chip->page_size = val;