From: "Krzysztof Wilczyński" <kw@linux.com>
To: Lorenzo Bianconi <lorenzo@kernel.org>
Cc: Ryder Lee <ryder.lee@mediatek.com>,
Jianjun Wang <jianjun.wang@mediatek.com>,
Lorenzo Pieralisi <lpieralisi@kernel.org>,
Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>,
Rob Herring <robh@kernel.org>,
Bjorn Helgaas <bhelgaas@google.com>,
Matthias Brugger <matthias.bgg@gmail.com>,
AngeloGioacchino Del Regno
<angelogioacchino.delregno@collabora.com>,
linux-pci@vger.kernel.org, linux-mediatek@lists.infradead.org,
linux-arm-kernel@lists.infradead.org, Hui Ma <hui.ma@airoha.com>
Subject: Re: [PATCH v4] PCI: mediatek-gen3: Avoid PCIe resetting via PERST# for Airoha EN7581 SoC
Date: Wed, 15 Jan 2025 20:14:38 +0900 [thread overview]
Message-ID: <20250115111438.GB4176564@rocinante> (raw)
In-Reply-To: <20250109-pcie-en7581-rst-fix-v4-1-4a45c89fb143@kernel.org>
Hello,
> Airoha EN7581 has a hw bug asserting/releasing PERST# signal causing
> occasional PCIe link down issues. In order to overcome the problem,
> PERST# signal is not asserted/released during device probe or
> suspend/resume phase and the PCIe block is reset using
> en7523_reset_assert() and en7581_pci_enable().
>
> Introduce flags field in the mtk_gen3_pcie_pdata struct in order to
> specify per-SoC capabilities.
Applied to controller/mediatek for v6.14, thank you!
Krzysztof
prev parent reply other threads:[~2025-01-15 11:19 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-01-08 23:30 [PATCH v4] PCI: mediatek-gen3: Avoid PCIe resetting via PERST# for Airoha EN7581 SoC Lorenzo Bianconi
2025-01-15 11:14 ` Krzysztof Wilczyński [this message]
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