Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932521AbbD0LIL (ORCPT ); Mon, 27 Apr 2015 07:08:11 -0400 Received: from mail-la0-f52.google.com ([209.85.215.52]:32965 "EHLO mail-la0-f52.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751948AbbD0LII (ORCPT ); Mon, 27 Apr 2015 07:08:08 -0400 Date: Mon, 27 Apr 2015 13:08:07 +0200 From: Johan Hovold To: Niklas Cassel Cc: davem@davemloft.net, f.fainelli@gmail.com, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, johan@kernel.org, Niklas Cassel Subject: Re: [PATCH] net: phy: micrel: support !CONFIG_HAVE_CLK Message-ID: <20150427110807.GB10925@localhost> References: <1430132450-4496-1-git-send-email-niklass@axis.com> <20150427110517.GA10925@localhost> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20150427110517.GA10925@localhost> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1728 Lines: 51 On Mon, Apr 27, 2015 at 01:05:17PM +0200, Johan Hovold wrote: > On Mon, Apr 27, 2015 at 01:00:50PM +0200, Niklas Cassel wrote: > > Since NULL is a valid clock, we shouldn't use > > IS_ERR_OR_NULL. > > > > Implemented as Russell King suggested in: > > > > http://lkml.kernel.org/r/20150207172949.GE8656@n2100.arm.linux.org.uk > > > > Signed-off-by: Niklas Cassel > > --- > > drivers/net/phy/micrel.c | 7 +++++-- > > 1 file changed, 5 insertions(+), 2 deletions(-) > > > > diff --git a/drivers/net/phy/micrel.c b/drivers/net/phy/micrel.c > > index 1190fd8..d958d13 100644 > > --- a/drivers/net/phy/micrel.c > > +++ b/drivers/net/phy/micrel.c > > @@ -522,6 +522,7 @@ static int kszphy_probe(struct phy_device *phydev) > > struct device_node *np = phydev->dev.of_node; > > struct kszphy_priv *priv; > > struct clk *clk; > > + unsigned long rate = 0; > > int ret; > > > > priv = devm_kzalloc(&phydev->dev, sizeof(*priv), GFP_KERNEL); > > @@ -548,8 +549,10 @@ static int kszphy_probe(struct phy_device *phydev) > > } > > > > clk = devm_clk_get(&phydev->dev, "rmii-ref"); > > - if (!IS_ERR(clk)) { > > - unsigned long rate = clk_get_rate(clk); > > + if (!IS_ERR(clk)) > > + rate = clk_get_rate(clk); > > + > > + if (rate) { > > And how do you expect this to work as clk_get_rate returns -EINVAL when > clk is NULL? > > Have you not tested your patch? Nevermind, it is 0 if !CONFIG_HAVE_CLK, but still does not look like the right fix. Johan -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/