Re: [PATCH] PCI: mvebu: Fix merge conflicts in commit 91a8d79fc797

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On Monday 14 February 2022 09:46:28 Bjorn Helgaas wrote:
> On Mon, Feb 14, 2022 at 12:02:28PM +0100, Pali Rohár wrote:
> > Commit 91a8d79fc797 ("PCI: mvebu: Fix configuring secondary bus of PCIe
> > Root Port via emulated bridge") was incorrectly applied from mailing list
> > patch [1] to the linux git repository [2] probably due to resolving merge
> > conflicts incorrectly. Fix it now.
> > 
> > [1] - https://lore.kernel.org/r/20211125124605.25915-12-pali@xxxxxxxxxx
> > [2] - https://git.kernel.org/linus/91a8d79fc797
> > 
> > Fixes: 91a8d79fc797 ("PCI: mvebu: Fix configuring secondary bus of PCIe Root Port via emulated bridge")
> > BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=215540
> > Reported-by: Jan Palus <jpalus@xxxxxxxxxxxx>
> > Signed-off-by: Pali Rohár <pali@xxxxxxxxxx>
> 
> Applied to for-linus for v5.17 with the following commit log, thanks!
> 
> commit c49ae619905e ("PCI: mvebu: Fix device enumeration regression")
> Author: Pali Rohár <pali@xxxxxxxxxx>
> Date:   Mon Feb 14 12:02:28 2022 +0100
> 
>     PCI: mvebu: Fix device enumeration regression
> 
>     Jan reported that on Turris Omnia (Armada 385), no PCIe devices were
>     detected after upgrading from v5.16.1 to v5.16.3 and identified the cause
>     as the backport of 91a8d79fc797 ("PCI: mvebu: Fix configuring secondary bus
>     of PCIe Root Port via emulated bridge"), which appeared in v5.17-rc1.
> 
>     91a8d79fc797 was incorrectly applied from mailing list patch [1] to the
>     linux git repository [2] probably due to resolving merge conflicts
>     incorrectly. Fix it now.
> 
>     [1] https://lore.kernel.org/r/20211125124605.25915-12-pali@xxxxxxxxxx
>     [2] https://git.kernel.org/linus/91a8d79fc797
> 
>     [bhelgaas: commit log]
>     BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=215540
>     Fixes: 91a8d79fc797 ("PCI: mvebu: Fix configuring secondary bus of PCIe Root Port via emulated bridge")
>     Link: https://lore.kernel.org/r/20220214110228.25825-1-pali@xxxxxxxxxx
>     Link: https://lore.kernel.org/r/20220127234917.GA150851@bhelgaas
>     Reported-by: Jan Palus <jpalus@xxxxxxxxxxxx>
>     Signed-off-by: Pali Rohár <pali@xxxxxxxxxx>
>     Signed-off-by: Bjorn Helgaas <bhelgaas@xxxxxxxxxx>

Thanks!

> > ---
> >  drivers/pci/controller/pci-mvebu.c | 3 ++-
> >  1 file changed, 2 insertions(+), 1 deletion(-)
> > 
> > diff --git a/drivers/pci/controller/pci-mvebu.c b/drivers/pci/controller/pci-mvebu.c
> > index 71258ea3d35f..f8e82c5e2d87 100644
> > --- a/drivers/pci/controller/pci-mvebu.c
> > +++ b/drivers/pci/controller/pci-mvebu.c
> > @@ -1329,7 +1329,8 @@ static int mvebu_pcie_probe(struct platform_device *pdev)
> >  		 * indirectly via kernel emulated PCI bridge driver.
> >  		 */
> >  		mvebu_pcie_setup_hw(port);
> > -		mvebu_pcie_set_local_dev_nr(port, 0);
> > +		mvebu_pcie_set_local_dev_nr(port, 1);
> > +		mvebu_pcie_set_local_bus_nr(port, 0);
> >  	}
> >  
> >  	pcie->nports = i;
> > -- 
> > 2.20.1
> > 



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