From: Vinod Koul <vkoul@kernel.org>
To: Wenbin Yao <quic_wenbyao@quicinc.com>
Cc: kishon@kernel.org, p.zabel@pengutronix.de,
dmitry.baryshkov@linaro.org, abel.vesa@linaro.org,
quic_qianyu@quicinc.com, neil.armstrong@linaro.org,
manivannan.sadhasivam@linaro.org, quic_devipriy@quicinc.com,
konrad.dybcio@oss.qualcomm.com, linux-arm-msm@vger.kernel.org,
linux-phy@lists.infradead.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v6 0/2] phy: qcom: qmp-pcie: Add PCIe PHY no_csr reset support
Date: Fri, 11 Apr 2025 12:59:44 +0530 [thread overview]
Message-ID: <Z/jE6FzW4MM98hgv@vaman> (raw)
In-Reply-To: <20250319094544.3980357-1-quic_wenbyao@quicinc.com>
On 19-03-25, 17:45, Wenbin Yao wrote:
> The series aims to skip phy register programming and drive PCIe PHY with
> register setting programmed in bootloader by simply toggling no_csr reset,
> which once togglled, PHY hardware will be reset while PHY registers are
> retained.
>
> First, determine whether PHY setting can be skipped by checking
> QPHY_START_CTRL register and the existence of nocsr reset. If it is
> programmed and no_csr reset is supported, do no_csr reset and skip BCR
> reset which will reset entire PHY.
>
> This series also remove has_nocsr_reset flag in qmp_phy_cfg structure and
> decide whether the PHY supports nocsr reset by checking the existence of
> nocsr reset in device tree.
>
> The series are tested on X1E80100-QCP and HDK8550.
>
> The commit messages of this patchset have been modified based on comments
> and suggestions.
This does not apply for me on phy/next, pls rebase and resend
--
~Vinod
next prev parent reply other threads:[~2025-04-11 7:29 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-03-19 9:45 [PATCH v6 0/2] phy: qcom: qmp-pcie: Add PCIe PHY no_csr reset support Wenbin Yao
2025-03-19 9:45 ` [PATCH v6 1/2] phy: qcom: pcie: Determine has_nocsr_reset dynamically Wenbin Yao
2025-04-01 15:20 ` Aleksandrs Vinarskis
2025-03-19 9:45 ` [PATCH v6 2/2] phy: qcom: qmp-pcie: Add PHY register retention support Wenbin Yao
2025-04-01 15:21 ` Aleksandrs Vinarskis
2025-03-31 8:58 ` [PATCH v6 0/2] phy: qcom: qmp-pcie: Add PCIe PHY no_csr reset support Wenbin Yao (Consultant)
2025-04-11 7:29 ` Vinod Koul [this message]
2025-04-11 12:10 ` Vinod Koul
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