[PATCH v3 4/5] PCI: epf-mhi: Add support for SA8775P

[Manivannan Sadhasivam]

On Thu, Oct 26, 2023 at 01:10:00PM +0200, Konrad Dybcio wrote:
> 
> 
> On 10/26/23 07:30, Mrinmay Sarkar wrote:
> > 
> > On 10/25/2023 1:26 PM, Manivannan Sadhasivam wrote:
> > > On Thu, Oct 19, 2023 at 05:07:09PM +0530, Mrinmay Sarkar wrote:
> > > > Add support for Qualcomm Snapdragon SA8775P SoC to the EPF driver.
> > > > SA8775P has the PID (0x0306) and supports HDMA. Currently, it has
> > > Is the PID fixed? I thought you just want to reuse the SDXxx PID in the
> > > meantime.
> > > 
> > > - Mani
> > 
> > The PID for SA8775p EP is not decided yet. So using 0x0306 PID meantime.
> If it's not decided, why should it go upstream then? Would that
> not break the hosts' expectations when the EP device is updated?
> 

No, it won't. If the device uses existing PID, then the existing host drivers
matching the PID will be used for this device. When the PID gets changed, then
the host drivers need to be updated too.

- Mani

> Konrad

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