linux-kernel - Re: [PATCH v4] net: phy: micrel: Fix regression in kszphy

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Message-ID: <CAOMZO5C1gjz=DHOY8TP8G1Ugni3r_Jfva+mN5d1RTcCmA=eSmw@mail.gmail.com>
Date:	Mon, 11 May 2015 12:31:12 -0300
From:	Fabio Estevam <festevam@...il.com>
To:	Niklas Cassel <niklas.cassel@...s.com>
Cc:	Florian Fainelli <f.fainelli@...il.com>,
	"David S. Miller" <davem@...emloft.net>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	linux-kernel <linux-kernel@...r.kernel.org>, johan@...nel.org,
	Niklas Cassel <niklass@...s.com>,
	stable <stable@...r.kernel.org>
Subject: Re: [PATCH v4] net: phy: micrel: Fix regression in kszphy_probe

On Mon, May 11, 2015 at 12:21 PM, Niklas Cassel <niklas.cassel@...s.com> wrote:
> Don't do clock-mode-select if clk == NULL,
> since when building without CONFIG_HAVE_CLK,
> clk_get returns NULL and clk_get_rate returns 0.
>
> Doing clock-mode-select in this cause causes kszphy_probe to
> return -EINVAL and thus prevents the device from being probed.
>
> The original code (before regression) would return 0
> when building without CONFIG_HAVE_CLK.
>
> Cc: stable <stable@...r.kernel.org> # 3.18+
> 1fadee0c3645 ("net/phy: micrel: Add clock support for
> KSZ8021/KSZ8031")
> Signed-off-by: Niklas Cassel <niklass@...s.com>

Looks good now:

Reviewed-by: Fabio Estevam <fabio.estevam@...escale.com>
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