Commit bd754930 authored Nov 08, 2013 by Laurent Pinchart Committed by Daniel Lezcano Nov 20, 2013

clocksource: sh_mtu2: Add clk_prepare/unprepare support



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>
Acked-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>

parent a4a5fc3b

drivers/clocksource/sh_mtu2.c

+7 −2

Original line number	Diff line number	Diff line
		@@ -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: