linux-kernel - Re: [PATCH] MAINTAINERS: Add Lorenzo Pieralisi for PCI host bridge drivers

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Date:   Fri, 10 Nov 2017 10:40:35 +0000
From:   Lorenzo Pieralisi <lorenzo.pieralisi@....com>
To:     Shawn Lin <shawn.lin@...k-chips.com>
Cc:     Bjorn Helgaas <helgaas@...nel.org>,
        Kishon Vijay Abraham I <kishon@...com>,
        linux-pci@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] MAINTAINERS: Add Lorenzo Pieralisi for PCI host bridge
 drivers

On Fri, Nov 10, 2017 at 08:46:29AM +0800, Shawn Lin wrote:
> Hi Bjorn,
> 
> On 2017/11/9 23:05, Bjorn Helgaas wrote:
> >On Thu, Nov 09, 2017 at 11:28:36AM +0530, Kishon Vijay Abraham I wrote:
> >>Hi Bjorn,
> >>
> >>On Thursday 09 November 2017 01:56 AM, Bjorn Helgaas wrote:
> >>>On Wed, Nov 08, 2017 at 02:15:10PM -0600, Bjorn Helgaas wrote:
> >>>>From: Bjorn Helgaas <bhelgaas@...gle.com>
> >>>>
> >>>>Add Lorenzo Pieralisi as maintainer for PCI native host bridge drivers and
> >>>>the endpoint driver framework.
> >>>>
> >>>>Signed-off-by: Bjorn Helgaas <bhelgaas@...gle.com>
> >>>
> >>>This is on my for-linus branch, and I intend to merge it for v4.14.
> >>
> >>There is already an entry for PCI endpoint in MAINTAINERS file. Can Lorenzo be
> >>added there?
> >>
> >>PCI ENDPOINT SUBSYSTEM
> >>M:      Kishon Vijay Abraham I <kishon@...com>
> >>L:      linux-pci@...r.kernel.org
> >>T:      git git://git.kernel.org/pub/scm/linux/kernel/git/kishon/pci-endpoint.git
> >>S:      Supported
> >>F:      drivers/pci/endpoint/
> >>F:      drivers/misc/pci_endpoint_test.c
> >>F:      tools/pci/
> >
> >Right, thanks, I forgot all about this separate entry.  I added Lorenzo
> >there, resulting in the patch below.
> >
> >My practice has been that all the PCI patches (everything in
> >drivers/pci plus some include and x86/pci stuff) have been merged via
> >my tree.
> >
> >This includes things in drivers/pci/{host,dwc,endpoint,switch}, which
> >are non-core things and usually specific to a chipset.  I try to
> >ensure they have individual maintainers designated, and I ask for
> >their acks for non-trivial changes because I have no specs and no
> >hardware for testing them.  But I think it's still good to have one
> >person look over them all to try to keep some consistency across them
> >because they are all quite similar.
> >
> >So my hope is that Lorenzo can take over that oversight role from me,
> >not that he would replace any of those designated maintainers.
> >
> >Ideally, this will be transparent to patch submitters except that they
> >should add Lorenzo to the "To:" line (keeping linux-pci and other
> >interested parties).
> >
> >
> >commit 6b7be529634bbfbf6395f23217a66d731fbed0a0
> >Author: Bjorn Helgaas <bhelgaas@...gle.com>
> >Date:   Wed Nov 8 08:49:49 2017 -0600
> >
> >     MAINTAINERS: Add Lorenzo Pieralisi for PCI host bridge drivers
> >     Add Lorenzo Pieralisi as maintainer for PCI native host bridge drivers and
> >     the endpoint driver framework.
> >     Signed-off-by: Bjorn Helgaas <bhelgaas@...gle.com>
> >     Acked-by: Lorenzo Pieralisi <lorenzo.pieralisi@....com>
> >
> >diff --git a/MAINTAINERS b/MAINTAINERS
> >index db412a627d96..6ce341e86fec 100644
> >--- a/MAINTAINERS
> >+++ b/MAINTAINERS
> >@@ -10378,6 +10378,7 @@ F:	drivers/pci/dwc/*keystone*
> >  PCI ENDPOINT SUBSYSTEM
> >  M:	Kishon Vijay Abraham I <kishon@...com>
> >+M:	Lorenzo Pieralisi <lorenzo.pieralisi@....com>
> >  L:	linux-pci@...r.kernel.org
> >  T:	git git://git.kernel.org/pub/scm/linux/kernel/git/kishon/pci-endpoint.git
> >  S:	Supported
> >@@ -10429,6 +10430,15 @@ F:	include/linux/pci*
> >  F:	arch/x86/pci/
> >  F:	arch/x86/kernel/quirks.c
> >+PCI NATIVE HOST BRIDGE AND ENDPOINT DRIVERS
> >+M:	Lorenzo Pieralisi <lorenzo.pieralisi@....com>
> >+L:	linux-pci@...r.kernel.org
> >+Q:	http://patchwork.ozlabs.org/project/linux-pci/list/
> >+T:	git git://git.kernel.org/pub/scm/linux/kernel/git/lpieralisi/pci.git/
> 
> So, does that mean the patch(es) for host drivers shoube be based on
> this tree instead of yours? If yes, which tree should be preferred if
> a patchset wanna touch both of pci core and host drivers?

I think you should always use Bjorn's tree as a reference and we
will sort out the dependencies.

Thanks,
Lorenzo