Message-ID: <20230414002537.3y553iferlqkubfo@mobilestation>
Date:   Fri, 14 Apr 2023 03:25:37 +0300
From:   Serge Semin <fancer.lancer@...il.com>
To:     Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
Cc:     Vinod Koul <vkoul@...nel.org>, Bjorn Helgaas <bhelgaas@...gle.com>,
        Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        Serge Semin <Sergey.Semin@...kalelectronics.ru>,
        Cai Huoqing <cai.huoqing@...ux.dev>,
        Jingoo Han <jingoohan1@...il.com>,
        Gustavo Pimentel <gustavo.pimentel@...opsys.com>,
        Yoshihiro Shimoda <yoshihiro.shimoda.uh@...esas.com>,
        Rob Herring <robh@...nel.org>,
        Alexey Malahov <Alexey.Malahov@...kalelectronics.ru>,
        Pavel Parkhomenko <Pavel.Parkhomenko@...kalelectronics.ru>,
        linux-pci@...r.kernel.org, dmaengine@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH RESEND v3 00/10] PCI: dwc: Relatively simple fixes and
 cleanups

On Thu, Apr 13, 2023 at 07:30:24PM +0530, Manivannan Sadhasivam wrote:
> On Thu, Apr 13, 2023 at 04:34:54PM +0300, Serge Semin wrote:
> > 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.
> > 
> 
> I talked to Vinod about the non-responsive maintainers and he suggested first
> demoting them as Reviewers instead of dropping altogether. So you can move
> Gustavo as a Reviewer.

Got it. Thanks for the note.

-Serge(y)

> 
> - Mani
> 
> > -Serge(y)
> > 
> > > 
> > > -- 
> > > ~Vinod
> 
> -- 
> மணிவண்ணன் சதாசிவம்

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