Re: [PATCH v2 0/2] PCI: qcom: fixup PCIe support on sm8250

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Wed, Dec 30, 2020 at 03:57:54PM +0300, Dmitry Baryshkov wrote:
> On Wed, 30 Dec 2020 at 15:46, Manivannan Sadhasivam
> <manivannan.sadhasivam@xxxxxxxxxx> wrote:
> >
> > On Wed, Dec 30, 2020 at 03:38:12PM +0300, Dmitry Baryshkov wrote:
> > > Hi Mani,
> > >
> > > On Wed, 30 Dec 2020 at 15:35, Manivannan Sadhasivam
> > > <manivannan.sadhasivam@xxxxxxxxxx> wrote:
> > > >
> > > > On Wed, Dec 30, 2020 at 02:54:06PM +0300, Dmitry Baryshkov wrote:
> > > > > SM8250 SoC requires another clock to be up to power up the translation
> > > > > unit. Add necessary bindings and driver support.
> > > > >
> > > >
> > > > So what is the exact issue you're facing?
> > >
> > > IOMMU timeouts for PCIe0 device (WiFi)
> > >
> >
> > Strange. I never observed this issue while testing with onboard QCA6390. Is it
> > only happening on v5.11?
> 
> No, I've faced it with 5.10 also. Don't remember about 5.9. Downstream
> 4.19 also has this patch.
> It well might be that on your board the firmware enables this clock.
> However to be on a safe side I think we should enable it too.
> 

Okay, then please remove the optional field and make it as a required one.

Thanks,
Mani

> -- 
> With best wishes
> Dmitry



[Index of Archives]     [Linux ARM Kernel]     [Linux ARM]     [Linux Omap]     [Fedora ARM]     [Linux for Sparc]     [IETF Annouce]     [Security]     [Bugtraq]     [Linux MIPS]     [ECOS]     [Asterisk Internet PBX]     [Linux API]

  Powered by Linux