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SubjectRe: [PATCH 0/2] PCI: aardvark: Fix comphy with old ATF
On Fri, Oct 02, 2020 at 04:26:16PM +0200, Pali Rohár wrote:
> On Friday 02 October 2020 14:37:13 Lorenzo Pieralisi wrote:
> > On Wed, Sep 02, 2020 at 04:43:42PM +0200, Pali Rohár wrote:
> > > This patch series fixes regression introduced in commit 366697018c9a
> > > ("PCI: aardvark: Add PHY support") which caused aardvark driver
> > > initialization failure on EspressoBin board with factory version of
> > > Arm Trusted Firmware provided by Marvell.
> > >
> > > Second patch depends on the first patch, so please add appropriate
> > > Fixes/Cc:stable@ tags to have both patches correctly backported to
> > > stable kernels.
> > >
> > > I have tested both patches with Marvell ATF firmware ebin-17.10-uart.zip
> > > and with upstream ATF+uboot and aardvark was initialized successfully.
> > > Without this patch series on ebin-17.10-uart.zip aardvark initialization
> > > failed.
> > >
> > > Pali Rohár (2):
> > > phy: marvell: comphy: Convert internal SMCC firmware return codes to
> > > errno
> > > PCI: aardvark: Fix initialization with old Marvell's Arm Trusted
> > > Firmware
> > >
> > > drivers/pci/controller/pci-aardvark.c | 4 +++-
> > > drivers/phy/marvell/phy-mvebu-a3700-comphy.c | 14 +++++++++++---
> > > drivers/phy/marvell/phy-mvebu-cp110-comphy.c | 14 +++++++++++---
> > > 3 files changed, 25 insertions(+), 7 deletions(-)
> >
> > Applied to pci/aardvark (both patches), thanks.
>
> Ok! For second patch would be needed to put CC:stable line with
> specifying prerequisite of first patch as written in document:
>
> https://www.kernel.org/doc/html/latest/process/stable-kernel-rules.html
>
> If I understood it correctly, second patch needs following line:
>
> Cc: <stable@vger.kernel.org> # <commit_id_of_first_path>: comphy: errno return codes
>
> where <commit_id_of_first_path> is commit id of PATCH 1/2.
>
> (correct me if I'm wrong)
>
> Now when first commit has commit id, could you update second commit to
> include this information about prerequisite?

No I can't because they will be merged at the same time. What we can
do is mark the second patch for stable and during the stable review
ask to pull patch (1). Or better you shall send both patches to stable
kernels when they hit Linus' tree.

Lorenzo

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