[PATCH v2 1/2] arm64: Move Mediatek GIC quirk handling from irqchip to core

Catalin Marinas catalin.marinas at arm.com
Wed Nov 8 07:46:00 PST 2023


On Tue, 07 Nov 2023 07:26:56 -0800, Douglas Anderson wrote:
> In commit 44bd78dd2b88 ("irqchip/gic-v3: Disable pseudo NMIs on
> Mediatek devices w/ firmware issues") we added a method for detecting
> Mediatek devices with broken firmware and disabled pseudo-NMI. While
> that worked, it didn't address the problem at a deep enough level.
> 
> The fundamental issue with this broken firmware is that it's not
> saving and restoring several important GICR registers. The current
> list is believed to be:
> * GICR_NUM_IPRIORITYR
> * GICR_CTLR
> * GICR_ISPENDR0
> * GICR_ISACTIVER0
> * GICR_NSACR
> 
> [...]

Applied to arm64 (for-next/core), thanks!

[1/2] arm64: Move Mediatek GIC quirk handling from irqchip to core
      https://git.kernel.org/arm64/c/1d816ba168ea
[2/2] Revert "arm64: smp: avoid NMI IPIs with broken MediaTek FW"
      https://git.kernel.org/arm64/c/4bb49009e071

Also "s/Mediatek/MediaTek/".

-- 
Catalin




More information about the Linux-mediatek mailing list