Messages in this thread Patch in this message | | | From | Divagar Mohandass <> | Subject | [PATCH v7 2/3] eeprom: at24: add support to fetch eeprom device property "size" | Date | Tue, 10 Oct 2017 11:30:36 +0530 |
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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 <andriy.shevchenko@linux.intel.com> Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com> Reviewed-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Divagar Mohandass <divagar.mohandass@intel.com> --- drivers/misc/eeprom/at24.c | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/drivers/misc/eeprom/at24.c b/drivers/misc/eeprom/at24.c index 764ff5df..2199c42 100644 --- a/drivers/misc/eeprom/at24.c +++ b/drivers/misc/eeprom/at24.c @@ -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; -- 1.9.1
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