Linux PCI subsystem development
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From: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
To: "Krishna Chaitanya Chundru" <krishna.chundru@oss.qualcomm.com>,
	"Vinod Koul" <vkoul@kernel.org>,
	"Neil Armstrong" <neil.armstrong@linaro.org>,
	"Rob Herring" <robh@kernel.org>,
	"Krzysztof Kozlowski" <krzk+dt@kernel.org>,
	"Conor Dooley" <conor+dt@kernel.org>,
	"Lorenzo Pieralisi" <lpieralisi@kernel.org>,
	"Krzysztof Wilczyński" <kwilczynski@kernel.org>,
	"Manivannan Sadhasivam" <mani@kernel.org>,
	"Bjorn Helgaas" <bhelgaas@google.com>,
	"Bjorn Andersson" <andersson@kernel.org>,
	"Maxime Chevallier" <maxime.chevallier@bootlin.com>,
	"Philipp Zabel" <p.zabel@pengutronix.de>
Cc: linux-arm-msm@vger.kernel.org, linux-phy@lists.infradead.org,
	devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-pci@vger.kernel.org
Subject: Re: [PATCH v2 3/4] PCI: qcom: Add CGC disable workaround for Nord PCIe
Date: Wed, 2 Sep 2026 17:16:41 +0200	[thread overview]
Message-ID: <8237cae7-0a3c-48ae-a85c-8521cda87015@oss.qualcomm.com> (raw)
In-Reply-To: <20260828-nord-v2-3-18bf59d19d6f@oss.qualcomm.com>

On 8/28/26 10:43 AM, Krishna Chaitanya Chundru wrote:
> Nord requires a workaround to address a timing convergence issue in the
> PCIe power domain. To avoid the issue, set the CORE_CLK_CGC_DIS and
> AUX_PWR_DET bits in PARF_SYS_CTRL after controller initialization.
> 
> The SLV_ACLK_CGC_DIS bit is already configured by hardware reset. This
> change adds the remaining required settings as documented in
> QCTDD11972446.
> 
> Signed-off-by: Krishna Chaitanya Chundru <krishna.chundru@oss.qualcomm.com>
> ---

Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>

Konrad

  parent reply	other threads:[~2026-09-02 15:16 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-08-28  8:43 [PATCH v2 0/4] Add PCIe support for Qualcomm Nord platform Krishna Chaitanya Chundru
2026-08-28  8:43 ` [PATCH v2 1/4] dt-bindings: phy: qcom: add Nord QMP PCIe PHY binding Krishna Chaitanya Chundru
2026-08-28  8:49   ` sashiko-bot
2026-08-31  7:54   ` Konrad Dybcio
2026-08-31  8:43   ` Krzysztof Kozlowski
2026-08-28  8:43 ` [PATCH v2 2/4] dt-bindings: pci: qcom: add Nord PCIe controller compatible Krishna Chaitanya Chundru
2026-08-28  8:49   ` sashiko-bot
2026-08-31  8:44   ` Krzysztof Kozlowski
2026-08-28  8:43 ` [PATCH v2 3/4] PCI: qcom: Add CGC disable workaround for Nord PCIe Krishna Chaitanya Chundru
2026-08-28  8:50   ` sashiko-bot
2026-09-02 15:16   ` Konrad Dybcio [this message]
2026-08-28  8:43 ` [PATCH v2 4/4] phy: qcom: qmp-pcie: Add Nord Gen5x16 PCIe multi-PHY support Krishna Chaitanya Chundru
2026-08-28  8:54   ` sashiko-bot
2026-09-02 10:11   ` Konrad Dybcio

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