Hi Divagar, On Tue, Aug 15, 2017 at 12:11:58AM +0530, Divagar Mohandass wrote: > This adds support to fetch device property "size" from _DSD. > > There is a CAT24C16/GT24C16S NVMEM chip part of the OV13858 > camera module and it is connected to i2c bus on Intel KBL board. > This device will use the existing ACPI ID INT3499 and platform > fw will expose "read-only", "pagesize" and "size" props via _DSD.
Instead of the two paragraphs, how about: Obtain the size of the EEPROM chip from DT if the "size" property is specified for the device. > > Signed-off-by: Divagar Mohandass <[email protected]> > --- > 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 > -- Sakari Ailus e-mail: [email protected]
