[Bug 1937897] Re: GPIO error logs in start and dmesg after update of kernel

Hi,

This is the test kernel which should fix this issue, please give it a try.
Thanks.

https://people.canonical.com/~acelan/bugs/lp1937897/

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Title:
GPIO error logs in start and dmesg after update of kernel

Status in linux package in Ubuntu:
In Progress
Status in linux source package in Hirsute:
In Progress
Status in linux source package in Impish:
In Progress

Bug description:
[Impact]
After upgrade kernel to 5.11.0-25, user encounters below errors
[   5.852182] gpio gpiochip2: (gpio_aaeon): tried to insert a GPIO chip with zero lines
[ 5.852187] gpiochip_add_data_with_key: GPIOs 0..-1 (gpio_aaeon) failed to register, -22
[ 5.852194] gpio-aaeon: probe of gpio-aaeon.0 failed with error -22

[Fix]
AAEON provides a patch to check the BFPI version before loading the driver.

[Test]
Verified by AAEON.

[Where problems could occur]
It adds a check while probing the driver, should have no impact to normal user.

=================================================

After update from kernel 5.11.0-22 to 5.11.0-25 i see next logs error
to gpio:

   5.852182] gpio gpiochip2: (gpio_aaeon): tried to insert a GPIO chip with zero lines
[ 5.852187] gpiochip_add_data_with_key: GPIOs 0..-1 (gpio_aaeon) failed to register, -22
[ 5.852194] gpio-aaeon: probe of gpio-aaeon.0 failed with error -22

On pc:

    description: Desktop Computer
    product: System Product Name (SKU)
    vendor: ASUS
    version: System Version
    serial: System Serial Number
    width: 64 bits
    capabilities: smbios-3.3.0 dmi-3.3.0 smp vsyscall32
    configuration: boot=normal chassis=desktop family=To be filled by O.E.M. sku=SKU uuid=0ABCA172-BFA8-2AC5-FC37-3C7C3FD88FE4
  *-core
       description: Motherboard
       product: TUF GAMING B550M-PLUS (WI-FI)
       vendor: ASUSTeK COMPUTER INC.
       physical id: 0
       version: Rev X.0x
       serial: 201176738701636
       slot: Default string
     *-firmware
          description: BIOS
          vendor: American Megatrends Inc.
          physical id: 0
          version: 2403
          date: 06/16/2021
          size: 64KiB
          capacity: 16MiB
          capabilities: pci apm upgrade shadowing cdboot bootselect socketedrom edd int13floppy1200 int13floppy720 int13floppy2880 int5printscreen int9keyboard int14serial int17printer acpi usb biosbootspecification uefi
     *-memory

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