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Date:   Thu, 2 May 2019 17:29:37 +0530
From:   Vinod Koul <vkoul@kernel.org>
To:     Bjorn Andersson <bjorn.andersson@linaro.org>
Cc:     Bjorn Helgaas <bhelgaas@google.com>,
        Stanimir Varbanov <svarbanov@mm-sol.com>,
        Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>,
        Rob Herring <robh+dt@kernel.org>,
        Mark Rutland <mark.rutland@arm.com>,
        linux-arm-msm@vger.kernel.org, linux-pci@vger.kernel.org,
        devicetree@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v3 3/3] PCI: qcom: Add QCS404 PCIe controller support
Message-ID: <20190502115937.GO3845@vkoul-mobl.Dlink>
References: <20190502001955.10575-1-bjorn.andersson@linaro.org>
 <20190502001955.10575-4-bjorn.andersson@linaro.org>
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On 01-05-19, 17:19, Bjorn Andersson wrote:
> The QCS404 platform contains a PCIe controller of version 2.4.0 and a
> Qualcomm PCIe2 PHY. The driver already supports version 2.4.0, for the
> IPQ4019, but this support touches clocks and resets related to the PHY
> as well, and there's no upstream driver for the PHY.
> 
> On QCS404 we must initialize the PHY, so a separate PHY driver is
> implemented to take care of this and the controller driver is updated to
> not require the PHY related resources. This is done by relying on the
> fact that operations in both the clock and reset framework are nops when
> passed NULL, so we can isolate this change to only the get_resource
> function.
> 
> For QCS404 we also need to enable the AHB (iface) clock, in order to
> access the register space of the controller, but as this is not part of
> the IPQ4019 DT binding this is only added for new users of the 2.4.0
> controller.

Reviewed-by: Vinod Koul <vkoul@kernel.org>

-- 
~Vinod