Messages in this thread | | | From | Rob Herring <> | Date | Thu, 9 Nov 2023 07:55:14 -0600 | Subject | Re: [PATCH] dt-bindings: ufs: Add msi-parent for UFS MCQ |
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On Mon, Nov 6, 2023 at 11:56 AM Bart Van Assche <bvanassche@acm.org> 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.
Rob
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