[1/2] ACPI / LPSS: Add alternative ACPI HIDs for Cherry Trail DMA controllers

["Rafael J. Wysocki" <rjw@rjwysocki.net>]

On Wednesday, August 29, 2018 6:50:53 PM CEST Andy Shevchenko wrote:
> On Mon, Aug 27, 2018 at 09:45:44AM +0200, Hans de Goede wrote:
> > Bay and Cherry Trail DSTDs represent a different set of devices depending
> > on which OS the device think it is booting. One set of decices for Windows
> > and another set of devices for Android which targets the Android-x86 Linux
> > kernel fork (which e.g. used to have its own display driver instead of
> > using the i915 driver).
> > 
> > Which set of devices we are actually going to get is out of our control,
> > this is controlled by the ACPI OSID variable, which gets either set through
> > an EFI setup option, or sometimes is autodetected. So we need to support
> > both.
> > 
> > This commit adds support for the 80862286 and 808622C0 ACPI HIDs which we
> > get for the first resp. second DMA controller on Cherry Trail devices when
> > OSID is set to Android.
> > 
> 
> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
> 
> > Signed-off-by: Hans de Goede <hdegoede@redhat.com>
> > ---
> >  drivers/acpi/acpi_lpss.c | 2 ++
> >  1 file changed, 2 insertions(+)
> > 
> > diff --git a/drivers/acpi/acpi_lpss.c b/drivers/acpi/acpi_lpss.c
> > index 0569972b02e1..95d9c45e13cc 100644
> > --- a/drivers/acpi/acpi_lpss.c
> > +++ b/drivers/acpi/acpi_lpss.c
> > @@ -327,9 +327,11 @@ static const struct acpi_device_id acpi_lpss_device_ids[] = {
> >  	{ "INT33FC", },
> >  
> >  	/* Braswell LPSS devices */
> > +	{ "80862286", LPSS_ADDR(lpss_dma_desc) },
> >  	{ "80862288", LPSS_ADDR(bsw_pwm_dev_desc) },
> >  	{ "8086228A", LPSS_ADDR(bsw_uart_dev_desc) },
> >  	{ "8086228E", LPSS_ADDR(bsw_spi_dev_desc) },
> > +	{ "808622C0", LPSS_ADDR(lpss_dma_desc) },
> >  	{ "808622C1", LPSS_ADDR(bsw_i2c_dev_desc) },
> >  
> >  	/* Broadwell LPSS devices */
> 
> 

Patch applied, thanks!