From: Johan Hovold <johan@kernel.org>
To: Sasha Levin <sashal@kernel.org>
Cc: linux-kernel@vger.kernel.org, stable@vger.kernel.org,
Stephan Gerhold <stephan.gerhold@linaro.org>,
Thomas Gleixner <tglx@linutronix.de>,
Johan Hovold <johan+linaro@kernel.org>,
linux-arm-msm@vger.kernel.org
Subject: Re: [PATCH AUTOSEL 6.13 32/32] irqchip/qcom-pdc: Workaround hardware register bug on X1E80100
Date: Mon, 24 Feb 2025 15:46:04 +0100 [thread overview]
Message-ID: <Z7yGLDkI1T4laWBd@hovoldconsulting.com> (raw)
In-Reply-To: <20250224111638.2212832-32-sashal@kernel.org>
Hi Sasha,
On Mon, Feb 24, 2025 at 06:16:38AM -0500, Sasha Levin wrote:
> From: Stephan Gerhold <stephan.gerhold@linaro.org>
>
> [ Upstream commit e9a48ea4d90be251e0d057d41665745caccb0351 ]
>
> On X1E80100, there is a hardware bug in the register logic of the
> IRQ_ENABLE_BANK register: While read accesses work on the normal address,
> all write accesses must be made to a shifted address. Without a workaround
> for this, the wrong interrupt gets enabled in the PDC and it is impossible
> to wakeup from deep suspend (CX collapse). This has not caused problems so
> far, because the deep suspend state was not enabled. A workaround is
> required now since work is ongoing to fix this.
> Signed-off-by: Stephan Gerhold <stephan.gerhold@linaro.org>
> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
> Tested-by: Johan Hovold <johan+linaro@kernel.org>
> Link: https://lore.kernel.org/all/20250218-x1e80100-pdc-hw-wa-v2-1-29be4c98e355@linaro.org
> Signed-off-by: Sasha Levin <sashal@kernel.org>
This one was not marked for backporting on purpose and is not needed in
older kernels, please drop from all autosel queues.
Johan
next prev parent reply other threads:[~2025-02-24 14:45 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-02-24 11:16 [PATCH AUTOSEL 6.13 01/32] selftests/bpf: Adjust data size to have ETH_HLEN Sasha Levin
2025-02-24 11:16 ` [PATCH AUTOSEL 6.13 02/32] bpf: unify VM_WRITE vs VM_MAYWRITE use in BPF map mmaping logic Sasha Levin
2025-02-24 11:16 ` [PATCH AUTOSEL 6.13 03/32] selftests/bpf: Fix invalid flag of recv() Sasha Levin
2025-02-24 11:16 ` [PATCH AUTOSEL 6.13 04/32] ASoC: Intel: sof_sdw: Add lookup of quirk using PCI subsystem ID Sasha Levin
2025-02-24 11:16 ` [PATCH AUTOSEL 6.13 05/32] ASoC: Intel: sof_sdw: Add quirk for Asus Zenbook S14 Sasha Levin
2025-02-24 11:16 ` [PATCH AUTOSEL 6.13 06/32] ASoC: Intel: sof_sdw: Add support for Fatcat board with BT offload enabled in PTL platform Sasha Levin
2025-02-24 11:16 ` [PATCH AUTOSEL 6.13 07/32] ASoC: Intel: soc-acpi-intel-mtl-match: declare adr as ull Sasha Levin
2025-02-24 11:16 ` [PATCH AUTOSEL 6.13 08/32] ASoC: simple-card-utils.c: add missing dlc->of_node Sasha Levin
2025-02-24 11:16 ` [PATCH AUTOSEL 6.13 09/32] ALSA: hda/realtek: Limit mic boost on Positivo ARN50 Sasha Levin
2025-02-24 11:16 ` [PATCH AUTOSEL 6.13 10/32] ASoC: rsnd: indicate unsupported clock rate Sasha Levin
2025-02-24 11:16 ` [PATCH AUTOSEL 6.13 11/32] ASoC: rsnd: don't indicate warning on rsnd_kctrl_accept_runtime() Sasha Levin
2025-02-24 11:16 ` [PATCH AUTOSEL 6.13 12/32] ASoC: rsnd: adjust convert rate limitation Sasha Levin
2025-02-24 11:16 ` [PATCH AUTOSEL 6.13 13/32] ASoC: arizona/madera: use fsleep() in up/down DAPM event delays Sasha Levin
2025-02-24 11:16 ` [PATCH AUTOSEL 6.13 14/32] ASoC: SOF: Intel: hda: add softdep pre to snd-hda-codec-hdmi module Sasha Levin
2025-02-24 11:16 ` [PATCH AUTOSEL 6.13 15/32] PCI: pci_ids: add INTEL_HDA_PTL_H Sasha Levin
2025-02-24 11:16 ` [PATCH AUTOSEL 6.13 16/32] ALSA: hda: intel-dsp-config: Add PTL-H support Sasha Levin
2025-02-24 11:16 ` [PATCH AUTOSEL 6.13 17/32] ASoC: SOF: Intel: pci-ptl: Add support for PTL-H Sasha Levin
2025-02-24 11:16 ` [PATCH AUTOSEL 6.13 18/32] ALSA: hda: hda-intel: add Panther Lake-H support Sasha Levin
2025-02-24 11:16 ` [PATCH AUTOSEL 6.13 19/32] ASoC: SOF: amd: Add post_fw_run_delay ACP quirk Sasha Levin
2025-02-24 11:16 ` [PATCH AUTOSEL 6.13 20/32] ASoC: SOF: amd: Handle IPC replies before FW_BOOT_COMPLETE Sasha Levin
2025-02-24 11:16 ` [PATCH AUTOSEL 6.13 21/32] net: wwan: mhi_wwan_mbim: Silence sequence number glitch errors Sasha Levin
2025-02-24 11:16 ` [PATCH AUTOSEL 6.13 22/32] io-wq: backoff when retrying worker creation Sasha Levin
2025-02-24 11:16 ` [PATCH AUTOSEL 6.13 23/32] nvme-pci: quirk Acer FA100 for non-uniqueue identifiers Sasha Levin
2025-02-24 11:16 ` [PATCH AUTOSEL 6.13 24/32] nvme-tcp: add basic support for the C2HTermReq PDU Sasha Levin
2025-02-24 11:16 ` [PATCH AUTOSEL 6.13 25/32] nvmet-rdma: recheck queue state is LIVE in state lock in recv done Sasha Levin
2025-02-24 11:16 ` [PATCH AUTOSEL 6.13 26/32] apple-nvme: Release power domains when probe fails Sasha Levin
2025-02-24 11:16 ` [PATCH AUTOSEL 6.13 27/32] drm/xe: Make GUC binaries dump consistent with other binaries in devcoredump Sasha Levin
2025-02-24 11:16 ` [PATCH AUTOSEL 6.13 28/32] cifs: Throw -EOPNOTSUPP error on unsupported reparse point type from parse_reparse_point() Sasha Levin
2025-02-24 11:16 ` [PATCH AUTOSEL 6.13 29/32] cifs: Treat unhandled directory name surrogate reparse points as mount directory nodes Sasha Levin
2025-02-24 11:16 ` [PATCH AUTOSEL 6.13 30/32] sctp: Fix undefined behavior in left shift operation Sasha Levin
2025-02-24 11:16 ` [PATCH AUTOSEL 6.13 31/32] nvme: only allow entering LIVE from CONNECTING state Sasha Levin
2025-02-24 11:16 ` [PATCH AUTOSEL 6.13 32/32] irqchip/qcom-pdc: Workaround hardware register bug on X1E80100 Sasha Levin
2025-02-24 14:46 ` Johan Hovold [this message]
2025-03-15 1:30 ` Sasha Levin
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