Public bug reported:

[Impact]

The 5.19 kernel contains support for the PolarFire Icicle board. But
booting with linux-image-5.19.0-1002-generic_5.19.0-1002.2_riscv64.deb
fails.

The cause is that the device-tree incorrectly specifies the PLIC
interrupts used for the drivers/soc/sifive/sifive_l2_cache.c.

A patch is available as

https://lore.kernel.org/all/20220817132521.3159388-1-heinrich.schucha...@canonical.com/
[PATCH 1/1] riscv: dts: microchip: correct L2 cache interrupts

This patch only changes the device-tree of the PolarFire Icicle Kit.

Please, add the patch to the 5.19 and future kernels.

[Test Plan]

Use the SiFive Unmatched preinstalled image and install the 5.19 kernel.
Try to boot on the Polarfire Icicle board.

[Where problems could occur]

The fix only concerns a board which has been unsupported by Ubuntu yet.

In case of an incorrect fix the board might not boot or otherwise
malfunction.

** Affects: linux-riscv (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1986833

Title:
  PolarFire Icicle Kit: L2 Cache wrong interrupts in devicetree

Status in linux-riscv package in Ubuntu:
  New

Bug description:
  [Impact]

  The 5.19 kernel contains support for the PolarFire Icicle board. But
  booting with linux-image-5.19.0-1002-generic_5.19.0-1002.2_riscv64.deb
  fails.

  The cause is that the device-tree incorrectly specifies the PLIC
  interrupts used for the drivers/soc/sifive/sifive_l2_cache.c.

  A patch is available as

  
https://lore.kernel.org/all/20220817132521.3159388-1-heinrich.schucha...@canonical.com/
  [PATCH 1/1] riscv: dts: microchip: correct L2 cache interrupts

  This patch only changes the device-tree of the PolarFire Icicle Kit.

  Please, add the patch to the 5.19 and future kernels.

  [Test Plan]

  Use the SiFive Unmatched preinstalled image and install the 5.19
  kernel. Try to boot on the Polarfire Icicle board.

  [Where problems could occur]

  The fix only concerns a board which has been unsupported by Ubuntu
  yet.

  In case of an incorrect fix the board might not boot or otherwise
  malfunction.

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux-riscv/+bug/1986833/+subscriptions


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