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

From: Mohandass, Divagar
Date: Tue Sep 26 2017 - 01:29:25 EST


Hi Andy,

Sorry missed the 'Suggested-by' tag. Can I resend the v6 with this change, so that Wolfram can pick these patches ?

---
^Divagar

>-----Original Message-----
>From: Andy Shevchenko [mailto:andy.shevchenko@xxxxxxxxx]
>Sent: Friday, September 22, 2017 9:42 PM
>To: Mani, Rajmohan <rajmohan.mani@xxxxxxxxx>
>Cc: Mohandass, Divagar <divagar.mohandass@xxxxxxxxx>;
>robh+dt@xxxxxxxxxx; mark.rutland@xxxxxxx; wsa@xxxxxxxxxxxxx;
>sakari.ailus@xxxxxx; devicetree@xxxxxxxxxxxxxxx; linux-i2c@xxxxxxxxxxxxxxx;
>linux-kernel@xxxxxxxxxxxxxxx; tfiga@xxxxxxxxxxxx
>Subject: Re: [PATCH v6 2/3] eeprom: at24: add support to fetch eeprom
>device property "size"
>
>On Wed, Sep 20, 2017 at 6:52 AM, Mani, Rajmohan
><rajmohan.mani@xxxxxxxxx> wrote:
>> Adding Tomasz...
>
>Please, don't top post.
>Better to resend entire series with all stakeholders included.
>
>>> Obtain the size of the EEPROM chip from DT if the "size" property is
>>> specified for the device.
>>>
>
>I guess it lacks
>Suggested-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
>
>Other than that, looks good to me!
>
>Reviewed-by: Andy Shevchenko <andy.shevchenko@xxxxxxxxx>
>
>
>Wolfram, the binding is ACKed by Rob and this one is in a good shape.
>Moreover, it seems like a demand for the property since some IoT stuff
>would like to use the driver on ACPI enabled platforms with different sizes.
>
>Can you go ahead and apply first two patches? It would be really appreciated.
>
>>> 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
>>
>
>
>
>--
>With Best Regards,
>Andy Shevchenko