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From: Vinod Koul <vkoul@kernel.org>
To: Sivaprakash Murugesan <sivaprak@codeaurora.org>
Cc: agross@kernel.org, bjorn.andersson@linaro.org,
	bhelgaas@google.com, robh+dt@kernel.org, kishon@ti.com,
	mturquette@baylibre.com, sboyd@kernel.org, svarbanov@mm-sol.com,
	lorenzo.pieralisi@arm.com, p.zabel@pengutronix.de,
	mgautam@codeaurora.org, smuthayy@codeaurora.org,
	varada@codeaurora.org, linux-arm-msm@vger.kernel.org,
	linux-pci@vger.kernel.org, devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org, linux-clk@vger.kernel.org,
	Selvam Sathappan Periakaruppan <speriaka@codeaurora.org>
Subject: Re: [PATCH 6/9] phy: qcom-qmp: Add compatible for ipq8074 pcie gen3 qmp phy
Date: Mon, 13 Jul 2020 11:34:25 +0530
Message-ID: <20200713060425.GC34333@vkoul-mobl> (raw)
In-Reply-To: <1593940680-2363-7-git-send-email-sivaprak@codeaurora.org>

On 05-07-20, 14:47, Sivaprakash Murugesan wrote:
> ipq8074 has two pcie ports, one gen2 and one gen3 ports. with phy
> support already available for gen2 pcie ports add support for pcie gen3
> port phy.
> 
> Co-developed-by: Selvam Sathappan Periakaruppan <speriaka@codeaurora.org>
> Signed-off-by: Selvam Sathappan Periakaruppan <speriaka@codeaurora.org>
> Signed-off-by: Sivaprakash Murugesan <sivaprak@codeaurora.org>
> ---
>  drivers/phy/qualcomm/phy-qcom-pcie3-qmp.h | 137 ++++++++++++++++++++++++
>  drivers/phy/qualcomm/phy-qcom-qmp.c       | 172 +++++++++++++++++++++++++++++-
>  2 files changed, 307 insertions(+), 2 deletions(-)
>  create mode 100644 drivers/phy/qualcomm/phy-qcom-pcie3-qmp.h
> 
> diff --git a/drivers/phy/qualcomm/phy-qcom-pcie3-qmp.h b/drivers/phy/qualcomm/phy-qcom-pcie3-qmp.h
> new file mode 100644
> index 000000000000..bb567673d9b5
> --- /dev/null
> +++ b/drivers/phy/qualcomm/phy-qcom-pcie3-qmp.h
> @@ -0,0 +1,137 @@
> +/* SPDX-License-Identifier: GPL-2.0*

Trailing * at the end, it would make sense to split the spdx and
copyright parts to two single lines

> @@ -2550,8 +2707,16 @@ static int phy_pipe_clk_register(struct qcom_qmp *qmp, struct device_node *np)
>  
>  	init.ops = &clk_fixed_rate_ops;
>  
> -	/* controllers using QMP phys use 125MHz pipe clock interface */
> -	fixed->fixed_rate = 125000000;
> +	/*
> +	 * controllers using QMP phys use 125MHz pipe clock interface unless
> +	 * other frequency is specified in dts
> +	 */
> +	ret = of_property_read_u32(np, "clock-output-rate",
> +				   (u32 *)&fixed->fixed_rate);

is this cast required?

> +	if (ret)
> +		fixed->fixed_rate = 125000000;
> +
> +	dev_info(qmp->dev, "fixed freq %lu\n", fixed->fixed_rate);

debug?

-- 
~Vinod

  reply index

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-05  9:17 [PATCH 0/9] Add PCIe support for IPQ8074 Sivaprakash Murugesan
2020-07-05  9:17 ` [PATCH 1/9] dt-bindings: pci: Add ipq8074 gen3 pci compatible Sivaprakash Murugesan
2020-07-15 21:50   ` Rob Herring
2020-07-05  9:17 ` [PATCH 2/9] dt-bindings: phy: qcom,qmp: Add dt-binding for ipq8074 gen3 pcie phy Sivaprakash Murugesan
2020-07-15 21:50   ` Rob Herring
2020-07-05  9:17 ` [PATCH 3/9] clk: qcom: ipq8074: Add missing bindings for pcie Sivaprakash Murugesan
2020-07-11 16:12   ` Stephen Boyd
2020-07-05  9:17 ` [PATCH 4/9] clk: qcom: ipq8074: Add missing clocks " Sivaprakash Murugesan
2020-07-11 16:10   ` Stephen Boyd
2020-07-11 16:12   ` Stephen Boyd
2020-07-05  9:17 ` [PATCH 5/9] phy: qcom-qmp: use correct values for ipq8074 gen2 pcie phy init Sivaprakash Murugesan
2020-07-13  5:55   ` Vinod Koul
2020-07-29  6:45     ` Sivaprakash Murugesan
2020-08-03 11:03       ` Vinod Koul
2020-07-05  9:17 ` [PATCH 6/9] phy: qcom-qmp: Add compatible for ipq8074 pcie gen3 qmp phy Sivaprakash Murugesan
2020-07-13  6:04   ` Vinod Koul [this message]
2020-07-29  7:46     ` Sivaprakash Murugesan
2020-07-05  9:17 ` [PATCH 7/9] pci: dwc: qcom: do phy power on before pcie init Sivaprakash Murugesan
2020-07-05  9:17 ` [PATCH 8/9] pci: qcom: Add support for ipq8074 pci controller Sivaprakash Murugesan
2020-07-05  9:18 ` [PATCH 9/9] arm64: dts: ipq8074: Fixup pcie dts nodes Sivaprakash Murugesan
2020-07-06 23:49 ` [PATCH 0/9] Add PCIe support for IPQ8074 Bjorn Helgaas

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