Tue, 29 Apr 2014 08:50:32 -0700 от Dmitry Torokhov <dmitry.torokhov@xxxxxxxxx>:
> On Tue, Apr 29, 2014 at 08:43:48AM +0400, Alexander Shiyan wrote:
> > Mon, 28 Apr 2014 20:26:00 -0700 от Dmitry Torokhov <dmitry.torokhov@xxxxxxxxx>:
> > > Hi Alexander,
> > >
> > > On Sat, Apr 26, 2014 at 09:53:13AM +0400, Alexander Shiyan wrote:
> > > > Replace existing resource handling in the driver with managed
> > > > device resource, this ensures more consistent error values and
> > > > simplifies error paths.
> > > > kzalloc -> devm_kzalloc
> > > > gpio_request_one -> devm_gpio_request_one
...
> > > @@ -162,8 +160,7 @@ static struct gpio_keys_platform_data *gpio_keys_polled_get_devtree_pdata(struct
> > > if (of_property_read_u32(pp, "linux,code", &button->code)) {
> > > dev_err(dev, "Button without keycode: 0x%x\n",
> > > button->gpio);
> > > - error = -EINVAL;
> > > - goto err_free_pdata;
> > > + return ERR_PTR(-EINVAL);
> > > }
> >
> > We can even use return value from of_property_read_u32() on error.
> >
> > All other looks OK.
>
> Do you have hardware that uses gpio_keys_polled?
Yes.
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