Re: [PATCH v7 06/13] PCI: tegra194: Disable direct speed change for EP
From: Manivannan Sadhasivam
Date: Sun Mar 15 2026 - 21:27:21 EST
On Sun, Mar 15, 2026 at 07:14:14PM +0530, Manikanta Maddireddy wrote:
>
>
> On 05/03/26 3:13 pm, Manivannan Sadhasivam wrote:
> > On Tue, Mar 03, 2026 at 12:24:41PM +0530, Manikanta Maddireddy wrote:
> > > From: Vidya Sagar <vidyas@xxxxxxxxxx>
> > >
> > > Disable direct speed change for the Endpoint to prevent it from initiating
> > > the speed change post physical layer link up at gen1. This leaves the speed
> > > change ownership with the host.
> > >
> >
> > Why?
> >
> > - Mani
> In pre silicon sim tests our HW team identified that Endpoint is trying to
> initiate speed change after secondary bus reset. So, our HW team recommended
> to disable direct speed change feature in Endpoint to keep the speed change
> control with host.
>
Please add the above into to the commit message.
- Mani
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