[Bug 216427] New: OF fails to handle some PCI resources on a PowerMac G4 3,6 (e.g. OF: /pci@f2000000/mac-io@17/gpio@50/gpio5@6f: could not find phandle 1751474532)

[Bug 216427] New: OF fails to handle some PCI resources on a PowerMac G4 3,6 (e.g. OF: /pci@f2000000/mac-io@17/gpio@50/gpio5@6f: could not find phandle 1751474532)

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=216427

            Bug ID: 216427
           Summary: OF fails to handle some PCI resources on a PowerMac G4
                    3,6 (e.g. OF:
                    /pci@f2000000/mac-io@17/gpio@50/gpio5@6f: could not
                    find phandle 1751474532)
           Product: Platform Specific/Hardware
           Version: 2.5
    Kernel Version: 6.0-rc3
          Hardware: PPC-32
                OS: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: PPC-32
          Assignee: platform_ppc-32@kernel-bugs.osdl.org
          Reporter: erhard_f@mailbox.org
                CC: bugzilla.kernel.org@frowand.com, wsa@kernel.org
        Regression: No

Created attachment 301698
  --> https://bugzilla.kernel.org/attachment.cgi?id=301698&action=edit
dmesg (kernel 6.0-rc3, PowerMac G4 DP)

This pops up in dmesg on my G4 DP. Perhaps an OF or DT issue?

[...]
Duplicate name in PowerPC,G4@0, renamed to "l2-cache#1"
Duplicate name in l2-cache#1, renamed to "l2-cache#1"
Duplicate name in PowerPC,G4@1, renamed to "l2-cache#1"
Duplicate name in l2-cache#1, renamed to "l2-cache#1"
Duplicate name in gpio@50, renamed to "gpio5@6f#1"
Duplicate name in gpio@50, renamed to "gpio6@70#1"
Duplicate name in gpio@50, renamed to "gpio11@75#1"
Duplicate name in gpio@50, renamed to "extint-gpio15@67#1"
[...]
OF: /pci@f2000000/mac-io@17/gpio@50/gpio5@6f: could not find phandle 1751474532
OF: /pci@f2000000/mac-io@17/gpio@50/extint-gpio15@67: could not find phandle
1751474532
OF: /pci@f2000000/mac-io@17/gpio@50/gpio6@70: could not find phandle 1634562093
OF: /pci@f2000000/mac-io@17/gpio@50/extint-gpio16@68: could not find phandle
1936745825
OF: /pci@f2000000/mac-io@17/gpio@50/extint-gpio14@66: could not find phandle
1818848869
OF: /pci@f2000000/mac-io@17/gpio@50/gpio12@76: could not find phandle
1835103092
OF: /pci@f2000000/mac-io@17/gpio@50/gpio11@75: could not find phandle
1635083369
OF: /pci@f2000000/mac-io@17/gpio@50/gpio5@6f: could not find phandle 1751474532
OF: /pci@f2000000/mac-io@17/gpio@50/gpio6@70: could not find phandle 1634562093
OF: /pci@f2000000/mac-io@17/gpio@50/extint-gpio4@5c: could not find phandle
1818848869
OF: /pci@f2000000/mac-io@17/gpio@50/gpio11@75: could not find phandle
1635083369
OF: /pci@f2000000/mac-io@17/gpio@50/extint-gpio15@67: could not find phandle
1751474532
[...]

Apart from that the machine seems to run fine. More details in the attached
dmesg.

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[Bug 216427] OF fails to handle some PCI resources on a PowerMac G4 3,6 (e.g. OF: /pci@f2000000/mac-io@17/gpio@50/gpio5@6f: could not find phandle 1751474532)

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=216427

--- Comment #1 from Erhard F. (erhard_f@mailbox.org) ---
Created attachment 301699
  --> https://bugzilla.kernel.org/attachment.cgi?id=301699&action=edit
kernel .config (kernel 6.0-rc3, PowerMac G4 DP)

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[Bug 216427] [bisected] OF fails to handle some PCI resources on a PowerMac G4 3,6 (e.g. OF: /pci@f2000000/mac-io@17/gpio@50/gpio5@6f: could not find phandle 1751474532)

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=216427

Erhard F. (erhard_f@mailbox.org) changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|OF fails to handle some PCI |[bisected] OF fails to
                   |resources on a PowerMac G4  |handle some PCI resources
                   |3,6 (e.g. OF:               |on a PowerMac G4 3,6 (e.g.
                   |/pci@f2000000/mac-io@17/gpi |OF:
                   |o@50/gpio5@6f: could not    |/pci@f2000000/mac-io@17/gpi
                   |find phandle 1751474532)    |o@50/gpio5@6f: could not
                   |                            |find phandle 1751474532)

--- Comment #2 from Erhard F. (erhard_f@mailbox.org) ---
Did a bisect which revealed this as 1st bad commit:

 # git bisect good
c78c31b374a68be79cb4a03ef5b6c187f034e903 is the first bad commit
commit c78c31b374a68be79cb4a03ef5b6c187f034e903
Author: Saravana Kannan <saravanak@google.com>
Date:   Tue Apr 28 12:20:05 2020 -0700

    Revert "Revert "driver core: Set fw_devlink to "permissive" behavior by
default""

    This reverts commit 18555cb6db2373b9a5ec1f7572773fd58c77f9ba.

    The reason[1] for the original revert has now been fixed by
    commit 00b247557858 ("driver core: Fix handling of
    fw_devlink=permissive"). So, this patch reverts the revert. Marek has
    also tested this patch with the fix mentioned above and confirmed that
    the issue has been fixed.

    [1] -
https://lore.kernel.org/lkml/CAGETcx8nbz-J1gLvoEKE_HgCcVGyV2o8rZeq_USFKM6=s7WmNg@mail.gmail.com/T/#m12dfb5dfd23805b84c49f4bb2238a8cce436c2f7
    [2] -
https://lore.kernel.org/lkml/CAGETcx8nbz-J1gLvoEKE_HgCcVGyV2o8rZeq_USFKM6=s7WmNg@mail.gmail.com/T/#m2408a6ce098b2ebf583ca8534329695923ae57fe
    Tested-by: Marek Szyprowski <m.szyprowski@samsung.com>
    Signed-off-by: Saravana Kannan <saravanak@google.com>
    Link:
https://lore.kernel.org/r/20200428192006.109006-1-saravanak@google.com
    Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

 drivers/base/core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

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[Bug 216427] [bisected] OF fails to handle some PCI resources on a PowerMac G4 3,6 (e.g. OF: /pci@f2000000/mac-io@17/gpio@50/gpio5@6f: could not find phandle 1751474532)

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=216427

--- Comment #3 from Erhard F. (erhard_f@mailbox.org) ---
Created attachment 301744
  --> https://bugzilla.kernel.org/attachment.cgi?id=301744&action=edit
bisect.log

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[Bug 216427] [bisected] OF fails to handle some PCI resources on a PowerMac G4 3,6 (e.g. OF: /pci@f2000000/mac-io@17/gpio@50/gpio5@6f: could not find phandle 1751474532)

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=216427

Erhard F. (erhard_f@mailbox.org) changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |DUPLICATE

--- Comment #4 from Erhard F. (erhard_f@mailbox.org) ---
Looks like I already reported that one 2 yrs ago...

*** This bug has been marked as a duplicate of bug 208197 ***

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