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| author |   Divagar Mohandass <divagar.mohandass@intel.com> | 2017-10-10 11:30:36 +0530 |
|---|---|---|
| committer |   Wolfram Sang <wsa@the-dreams.de> | 2017-10-17 23:32:04 +0200 |
| commit | dbc1ab9c12502912be1490ab5d54f39782183f5f (patch) | |
| tree | 797ef1edb04bbb8aeb84642f0012a6d914f9eae6 /drivers/misc | |
| parent | dt-bindings: add eeprom "size" property (diff) | |
| download | linux-dev-dbc1ab9c12502912be1490ab5d54f39782183f5f.tar.xz linux-dev-dbc1ab9c12502912be1490ab5d54f39782183f5f.zip | |
eeprom: at24: add support to fetch eeprom device property "size"
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>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Diffstat (limited to 'drivers/misc')
| -rw-r--r-- | drivers/misc/eeprom/at24.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/misc/eeprom/at24.c b/drivers/misc/eeprom/at24.c index 764ff5df0dbc..2199c42e1623 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; |