From: Prasad Malisetty <pmaliset@codeaurora.org>
To: Stephen Boyd <swboyd@chromium.org>
Cc: agross@kernel.org, bhelgaas@google.com,
bjorn.andersson@linaro.org, lorenzo.pieralisi@arm.com,
robh+dt@kernel.org, svarbanov@mm-sol.com,
devicetree@vger.kernel.org, linux-arm-msm@vger.kernel.org,
linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org,
dianders@chromium.org, mka@chromium.org, vbadigan@codeaurora.org,
sallenki@codeaurora.org, manivannan.sadhasivam@linaro.org
Subject: Re: [PATCH v8 4/4] PCI: qcom: Switch pcie_1_pipe_clk_src after PHY init in SC7280
Date: Thu, 23 Sep 2021 15:31:43 +0530 [thread overview]
Message-ID: <a4b5ddd8f3376688cca5e79577fed89c@codeaurora.org> (raw)
In-Reply-To: <CAE-0n53d9wjc7-U2M6i5MzjAqOxu8oNUcihrxJv-HJnRX0TJHQ@mail.gmail.com>
On 2021-09-21 01:23, Stephen Boyd wrote:
> Quoting Prasad Malisetty (2021-09-17 10:15:47)
>> On the SC7280, the clock source for gcc_pcie_1_pipe_clk_src
>> must be the TCXO while gdsc is enabled. After PHY init successful
>> clock source should switch to pipe clock for gcc_pcie_1_pipe_clk_src.
>>
>> Signed-off-by: Prasad Malisetty <pmaliset@codeaurora.org>
>> ---
>
> One nit below
>
> Reviewed-by: Stephen Boyd <swboyd@chromium.org>
>
>> @@ -1488,7 +1553,9 @@ static int qcom_pcie_probe(struct
>> platform_device *pdev)
>>
>> pcie->pci = pci;
>>
>> - pcie->ops = of_device_get_match_data(dev);
>> + pcie_cfg = of_device_get_match_data(dev);
>> + pcie->ops = pcie_cfg->ops;
>
> Maybe worth failing probe with if (!pcie->ops) just to be a little
> nicer here.
>
Thanks Stephen, I will add the check in new patch series if any.
>> + pcie->pipe_clk_need_muxing = pcie_cfg->pipe_clk_need_muxing;
>>
>> pcie->reset = devm_gpiod_get_optional(dev, "perst",
>> GPIOD_OUT_HIGH);
>> if (IS_ERR(pcie->reset)) {
prev parent reply other threads:[~2021-09-23 10:02 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-17 17:15 [PATCH v8 0/4] Add DT bindings and DT nodes for PCIe and PHY in SC7280 Prasad Malisetty
2021-09-17 17:15 ` [PATCH v8 1/4] dt-bindings: pci: qcom: Document PCIe bindings for SC7280 Prasad Malisetty
2021-09-17 17:15 ` [PATCH v8 2/4] arm64: dts: qcom: sc7280: Add PCIe and PHY related nodes Prasad Malisetty
2021-09-17 17:15 ` [PATCH v8 3/4] arm64: dts: qcom: sc7280: Add PCIe nodes for IDP board Prasad Malisetty
2021-09-20 19:51 ` Stephen Boyd
2021-09-28 13:36 ` Prasad Malisetty
2021-09-17 17:15 ` [PATCH v8 4/4] PCI: qcom: Switch pcie_1_pipe_clk_src after PHY init in SC7280 Prasad Malisetty
2021-09-20 19:53 ` Stephen Boyd
2021-09-23 10:01 ` Prasad Malisetty [this message]
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