[PATCH] input/touch: Introduce the LPC32xx touchscreen controller driver

[Kevin Wells]

>>
>> This patch set introduces support for the LPC32xx touchscreen
>> controller driver. The LPC32xx touchscreen controller supports
>> automated event detection and X/Y data conversion for resistive
>> touchscreens.
>>
>
> Overall looks very nice, a few comments below.
>

Thanks for helping review this driver. I'll update and repost once
the fixes and changes are finalized.

>> +
>> +     if (input_register_device(tsc->dev)) {
>> +             dev_err(&pdev->dev, "failed registering input device\n");
>> +             goto err_stop_clk;
>
> retval is garbage here, you need to do:
>
>        error = input_register_device();
>        if (error) {
>                ...
>                goto err_stop_clk;
>        }
>
> I must say that I do not like mixing devm_* with the standard error path
> unwinding, if we can rely on devm_xxx() calls to take care of everything
> we should revert to standard error unsinding practice for everythng.
>

Would it be preferable to just use standard resource functions and error
path unwinding (with fixes in _remove too) similar to the other drivers in
./drivers/input?