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SubjectRe: [PATCH v2 2/4] da850-evm: add UI Expander pushbuttons
From
Hi Sekhar,

Thank you for your reviews.

On Fri, Nov 19, 2010 at 4:58 AM, Nori, Sekhar <nsekhar@ti.com> wrote:
> [...]
> On Wed, Nov 17, 2010 at 01:09:35, Ben Gardiner wrote:
>> [...]
>> Changes since v1:
>>  * set INPUT_POLLDEV default for DA850_EVM machine, but don't select it
>>    unconditionally
>
> I didn't see the v1 posting (wonder why), but why is this
> required? Why cant we depend on this being selected from
> Device Drivers->Input device support in menuconfig?

I'm sorry about that. I checked gmane and the v1 never made it to the
davinci-linux list. I think it was because of my (mis)use of git
send-email. Version 2 made it to the list so I've now found the magic
incantation.

The reason we should at least select INPUT_POLLDEV as a default option
is: when it is not set the gpio-keys instances registered by the
da850-evm board setup routine will fail probe() of the gpio-keys
driver since it will not have polled-input support enabled.

By setting INPUT_POLLDEV default for the da850-evm users will get
functioning pushbuttons and switches with the default config but they
will be able to disable INPUT_POLLDEV or gpio-keys drivers in their
defconfig at their convenience.

> [...]
>
>> @@ -349,6 +421,10 @@ static struct i2c_board_info __initdata da850_evm_i2c_devices[] = {
>>       {
>>               I2C_BOARD_INFO("tca6416", 0x20),
>>               .platform_data = &da850_evm_ui_expander_info,
>> +             /*
>> +              * TODO : populate at runtime using
>> +              * .irq = gpio_to_irq(GPIO_TO_PIN(2,7)),
>> +              */
>
> You seem to be adding this in this patch and removing
> in 4/4.

Oops. That's my fault. The internal reviewers also reminded me to
remove these before sending. Sorry for the noise/ I will remove this
block in _this_ patch in the re-spin.

Best Regards,
Ben Gardiner

---
Nanometrics Inc.
http://www.nanometrics.ca
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