Re: [RFC PATCH] SPI/ACPI: DesignWare: Add ACPI support for Designware SPI driver

[One Thousand Gnomes <gnomes@xxxxxxxxxxxxxxxxxxx>]

On Mon, 15 Feb 2016 17:45:40 +0000
Mark Brown <broonie@xxxxxxxxxx> wrote:

> On Mon, Feb 15, 2016 at 04:27:51PM +0800, Hanjun Guo wrote:
> > On 2016/2/5 19:09, Mark Brown wrote:  
> 
> > > Intel are heavy users of this driver on their systems which also use
> > > ACPI.  Have you discussed this binding with them?  I've copied Andy and
> > > Jarkko who've worked on the driver recently.  
> 
> > There is no ACPI code in this driver yet, seems "PRP0001" is used to reuse
> > this driver directly.  
> 
> No, on Intel systems the devices appear on the PCI bus.

They may be ACPI or PCI enumerated - depends upon the system and
firmware. See drivers/acpi/acpi_lpss.c


Alan
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