lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening PHC | |
Open Source and information security mailing list archives
| ||
|
Date: Thu, 31 Mar 2022 18:28:01 +0200 From: Andrew Lunn <andrew@...n.ch> To: Michael Walle <michael@...le.cc> Cc: "David S . Miller" <davem@...emloft.net>, Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>, Rob Herring <robh+dt@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, Heiner Kallweit <hkallweit1@...il.com>, Russell King <linux@...linux.org.uk>, Alexandre Belloni <alexandre.belloni@...tlin.com>, netdev@...r.kernel.org, devicetree@...r.kernel.org, linux-kernel@...r.kernel.org Subject: Re: [PATCH RFC net-next 3/3] net: phy: mscc-miim: add support to set MDIO bus frequency > @@ -295,21 +323,41 @@ static int mscc_miim_probe(struct platform_device *pdev) > if (!miim->info) > return -EINVAL; > > - ret = of_mdiobus_register(bus, pdev->dev.of_node); > + miim->clk = devm_clk_get_optional(&pdev->dev, NULL); > + if (IS_ERR(miim->clk)) > + return PTR_ERR(miim->clk); > + > + ret = clk_prepare_enable(miim->clk); > + if (ret) > + return ret; > + > + of_property_read_u32(np, "clock-frequency", &miim->clk_freq); The clock is optional if there is no "clock-frequency" property. If the property does exist, the clock should be mandatory. I don't think it should silently fail setting the bus frequency because the clock is missing. Andrew
Powered by blists - more mailing lists