netdev - Re: [PATCH v2 9/9] usb: host: ohci-exynos: Convert to devm_of_phy_optional

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Date:   Wed, 25 Jan 2023 15:38:22 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Geert Uytterhoeven <geert+renesas@...der.be>
Cc:     Vinod Koul <vkoul@...nel.org>, Jonathan Corbet <corbet@....net>,
        Madalin Bucur <madalin.bucur@....com>,
        "David S . Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Horatiu Vultur <horatiu.vultur@...rochip.com>,
        UNGLinuxDriver@...rochip.com,
        Thierry Reding <thierry.reding@...il.com>,
        Lorenzo Pieralisi <lpieralisi@...nel.org>,
        Rob Herring <robh@...nel.org>,
        Krzysztof Wilczyński <kw@...ux.com>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Jonathan Hunter <jonathanh@...dia.com>,
        Kishon Vijay Abraham I <kishon@...nel.org>,
        Alan Stern <stern@...land.harvard.edu>,
        Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        Alim Akhtar <alim.akhtar@...sung.com>,
        Siddharth Vadapalli <s-vadapalli@...com>,
        Russell King <linux@...linux.org.uk>,
        linux-phy@...ts.infradead.org, linux-doc@...r.kernel.org,
        netdev@...r.kernel.org, linux-tegra@...r.kernel.org,
        linux-pci@...r.kernel.org, linux-usb@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-samsung-soc@...r.kernel.org
Subject: Re: [PATCH v2 9/9] usb: host: ohci-exynos: Convert to
 devm_of_phy_optional_get()

On Tue, Jan 24, 2023 at 07:37:28PM +0100, Geert Uytterhoeven wrote:
> Use the new devm_of_phy_optional_get() helper instead of open-coding the
> same operation.
> 
> As devm_of_phy_optional_get() returns NULL if either the PHY cannot be
> found, or if support for the PHY framework is not enabled, it is no
> longer needed to check for -ENODEV or -ENOSYS.
> 
> This lets us drop several checks for IS_ERR(), as phy_power_{on,off}()
> handle NULL parameters fine.
> 
> Signed-off-by: Geert Uytterhoeven <geert+renesas@...der.be>
> Acked-by: Alan Stern <stern@...land.harvard.edu>

Acked-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>