On Mon, Oct 27, 2014 at 11:15 AM, Mika Westerberg
wrote:
> The driver uses devm_gpiod_get_index(..., index) so that the index refers
> directly to the GpioIo resource under the ACPI device. The problem with
> this is that if the ordering changes we get wrong GPIOs.
>
> With ACPI 5.1 _DSD we can n
On Mon, Oct 27, 2014 at 12:23:55PM +0100, Johannes Berg wrote:
> On Mon, 2014-10-27 at 12:15 +0200, Mika Westerberg wrote:
> > The driver uses devm_gpiod_get_index(..., index) so that the index refers
> > directly to the GpioIo resource under the ACPI device. The problem with
> > this is that if th
On Mon, 2014-10-27 at 12:15 +0200, Mika Westerberg wrote:
> The driver uses devm_gpiod_get_index(..., index) so that the index refers
> directly to the GpioIo resource under the ACPI device. The problem with
> this is that if the ordering changes we get wrong GPIOs.
>
> With ACPI 5.1 _DSD we can n
The driver uses devm_gpiod_get_index(..., index) so that the index refers
directly to the GpioIo resource under the ACPI device. The problem with
this is that if the ordering changes we get wrong GPIOs.
With ACPI 5.1 _DSD we can now use names instead to reference GPIOs
analogous to Device Tree. Ho