Re: [PATCH] dt-bindings: ufs: Add msi-parent for UFS MCQ

[Manivannan Sadhasivam]

On Thu, Nov 09, 2023 at 07:55:14AM -0600, Rob Herring wrote:
> On Mon, Nov 6, 2023 at 11:56 AM Bart Van Assche <bvanassche@xxxxxxx> wrote:
> >
> > On 11/6/23 06:48, Rob Herring wrote:
> > > On Wed, Nov 01, 2023 at 06:48:13PM +0800, Ziqi Chen wrote:
> > >> The Message Signaled Interrupts (MSI) has been introduced
> > >> to UFS driver since the MCQ be enabled.
> > >
> > > Not really relevant when a driver supported MSI, but the when the h/w
> > > did. Has UFS always supported MSI? It was added in some version of the
> > > spec?
> >
> > MSI support has been introduced in UFSHCI version 4.0 and I think that
> > the controller vendor can decide whether or not to implement MSI. Does
> > this mean that the patch needs to be improved?
> 
> Yes, this information is what should be in the commit msg rather than
> driver details.
> 

Yes, agreed. Ziqi, please update the commit message to incorporate the hw
details about when MCQ/MSI got introduced. Devicetree binding should describe
the hw, not the driver.

- Mani

> Rob

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