Re: [PATCH RESEND v3 00/10] PCI: dwc: Relatively simple fixes and cleanups

Serge Semin
2023-04-13T13:37:32Z

On Wed, Apr 12, 2023 at 10:28:05PM +0530, Vinod Koul wrote:
> On 11-04-23, 19:59, Serge Semin wrote:
> > On Tue, Apr 11, 2023 at 04:32:40PM +0530, Manivannan Sadhasivam wrote:
> > > On Tue, Apr 11, 2023 at 06:39:18AM +0300, Serge Semin wrote:
> > > > It turns out the recent DW PCIe-related patchset was merged in with
> > > > several relatively trivial issues left unsettled (noted by Bjorn and
> > > > Manivannan). All of these lefovers have been fixed in this patchset.
> > > > Namely the series starts with two bug-fixes. The first one concerns the
> > > > improper link-mode initialization in case if the CDM-check is enabled. The
> > > > second unfortunate mistake I made in the IP-core version type helper. In
> > > > particular instead of testing the IP-core version type the macro function
> > > > referred to the just IP-core version which obviously wasn't what I
> > > > intended.
> > > >
> > > > Afterwards two @Mani-noted fixes follow. Firstly the dma-ranges related warning
> > > > message is fixed to start with "DMA-ranges" word instead of "Dma-ranges".
> > > > Secondly the Baikal-T1 PCIe Host driver is converted to perform the
> > > > asynchronous probe type which saved us of about 15% of bootup time if no any
> > > > PCIe peripheral device attached to the port.
> > > >
> > > > Then the patchset contains the Baikal-T1 PCIe driver fix. The
> > > > corresponding patch removes the false error message printed during the
> > > > controller probe procedure. I accidentally added the unconditional
> > > > dev_err_probe() method invocation. It was obviously wrong.
> > > >
> > > > Then two trivial cleanups are introduced. The first one concerns the
> > > > duplicated fast-link-mode flag unsetting. The second one implies
> > > > dropping a redundant empty line from the dw_pcie_link_set_max_speed()
> > > > function.
> > > >
> > > > The series continues with a patch inspired by the last @Bjorn note
> > > > regarding the generic resources request interface. As @Bjorn correctly
> > > > said it would be nice to have the new interface used wider in the DW PCIe
> > > > subsystem. Aside with the Baikal-T1 PCIe Host driver the Toshiba Visconti
> > > > PCIe driver can be easily converted to using the generic clock names.
> > > > That's what is done in the noted patch.
> > > >
> > > > The patchset is closed with a series of MAINTAINERS-list related patches.
> > > > Firstly after getting the DW PCIe RP/EP DT-schemas refactored I forgot to
> > > > update the MAINTAINER-list with the new files added in the framework of
> > > > that procedure. All the snps,dw-pcie* schemas shall be maintained by the
> > > > DW PCIe core driver maintainers. Secondly seeing how long it took for my
> > > > patchsets to review and not having any comments from the original driver
> > > > maintainers I'd suggest to add myself as the reviewer to the DW PCIe and
> > > > eDMA drivers. Thus hopefully the new updates review process will be
> > > > performed with much less latencies. For the same reason I would also like
> > > > to suggest to add @Manivannan as the DW PCIe/eDMA drivers maintainer if
> > > > he isn't against that idea. What do you think about the last suggestion?
> > > >
> > >
> > > I'm willing to co-maintain the drivers.
> >
> > Awesome! @Bjorn, @Lorenzo, @Vinod what do you think about this? If you
> > are ok with that shall I resubmit the series with @Mani added to the
> > DW PCIe/eDMA maintainers list or will you create the respective
> > patches yourself?
>

> Pls send the patch, that is preferred.

Ok. I'll resubmit the series with the new patches replacing @Gustavo with
@Mani as the DW PCIe/eDMA drivers maintainer.

-Serge(y)

>
> --
> ~Vinod