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

** Description changed:

+ [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
+    5.852182] 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
+     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

** Also affects: linux (Ubuntu Hirsute)
Importance: Undecided
Status: New

** Also affects: linux (Ubuntu Impish)
Importance: Undecided
Status: Confirmed

** Changed in: linux (Ubuntu Hirsute)
Status: New => In Progress

** Changed in: linux (Ubuntu Impish)
Status: Confirmed => In Progress

** Changed in: linux (Ubuntu Hirsute)
Assignee: (unassigned) => AceLan Kao (acelankao)

** Changed in: linux (Ubuntu Impish)
Assignee: (unassigned) => AceLan Kao (acelankao)

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https://bugs.launchpad.net/bugs/1937897

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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