Messages in this thread | | | Date | Tue, 29 Oct 2013 15:15:09 +0400 | From | Sergei Shtylyov <> | Subject | Re: [PATCH 02/12] clocksource: sh_mtu2: Add clk_prepare/unprepare support |
| |
Hello.
On 29-10-2013 2:49, Laurent Pinchart wrote:
> Prepare the clock at probe time, as there is no other appropriate place > in the driver where we're allowed to sleep.
> Cc: Daniel Lezcano <daniel.lezcano@linaro.org> > Cc: linux-kernel@vger.kernel.org > Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> > --- > drivers/clocksource/sh_mtu2.c | 16 ++++++++++++++-- > 1 file changed, 14 insertions(+), 2 deletions(-)
> diff --git a/drivers/clocksource/sh_mtu2.c b/drivers/clocksource/sh_mtu2.c > index 4aac9ee..3cf1283 100644 > --- a/drivers/clocksource/sh_mtu2.c > +++ b/drivers/clocksource/sh_mtu2.c > @@ -313,8 +313,20 @@ static int sh_mtu2_setup(struct sh_mtu2_priv *p, struct platform_device *pdev) > goto err1; > } > > - return sh_mtu2_register(p, (char *)dev_name(&p->pdev->dev), > - cfg->clockevent_rating); > + ret = clk_prepare(p->clk); > + if (ret < 0) > + goto err2; > + > + ret = sh_mtu2_register(p, (char *)dev_name(&p->pdev->dev), > + cfg->clockevent_rating); > + if (ret < 0) > + goto err3; > + > + return 0; > + err3: > + clk_unprepare(p->clk); > + err2: > + clk_put(p->clk);
This one seems to be a fix and so needs to be in a separate patch...
WBR, Sergei
| |