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

[bugzilla-daemon at kernel.org]

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