Messages in this thread Patch in this message | | | From | Laurent Pinchart <> | Subject | [PATCH v2 2/2] clocksource: sh_mtu2: Add clk_prepare/unprepare support | Date | Tue, 29 Oct 2013 15:30:45 +0100 |
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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 | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-)
diff --git a/drivers/clocksource/sh_mtu2.c b/drivers/clocksource/sh_mtu2.c index e6cfb32..3cf1283 100644 --- a/drivers/clocksource/sh_mtu2.c +++ b/drivers/clocksource/sh_mtu2.c @@ -313,13 +313,18 @@ static int sh_mtu2_setup(struct sh_mtu2_priv *p, struct platform_device *pdev) goto err1; } + 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 err2; + goto err3; return 0; - + err3: + clk_unprepare(p->clk); err2: clk_put(p->clk); err1: -- 1.8.1.5
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