RE: [PATCH v6 2/3] eeprom: at24: add support to fetch eeprom device property "size"

[Mani, Rajmohan]

Adding Tomasz...

> -----Original Message-----
> From: Mohandass, Divagar
> Sent: Monday, September 04, 2017 3:29 AM
> To: robh+dt@xxxxxxxxxx; mark.rutland@xxxxxxx; wsa@xxxxxxxxxxxxx;
> sakari.ailus@xxxxxx
> Cc: devicetree@xxxxxxxxxxxxxxx; linux-i2c@xxxxxxxxxxxxxxx; linux-
> kernel@xxxxxxxxxxxxxxx; Mani, Rajmohan <rajmohan.mani@xxxxxxxxx>;
> Mohandass, Divagar <divagar.mohandass@xxxxxxxxx>
> Subject: [PATCH v6 2/3] 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.
> 
> Signed-off-by: Divagar Mohandass <divagar.mohandass@xxxxxxxxx>
> ---
>  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