Messages in this thread | | | Date | Mon, 27 Apr 2015 13:05:17 +0200 | From | Johan Hovold <> | Subject | Re: [PATCH] net: phy: micrel: support !CONFIG_HAVE_CLK |
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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 <niklass@axis.com> > --- > 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?
> bool rmii_ref_clk_sel_25_mhz; > > priv->rmii_ref_clk_sel = type->has_rmii_ref_clk_sel;
Johan
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