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Message-Id: <1383000569-8916-3-git-send-email-laurent.pinchart+renesas@ideasonboard.com> Date: Mon, 28 Oct 2013 23:49:19 +0100 From: Laurent Pinchart <laurent.pinchart+renesas@...asonboard.com> To: linux-arm-kernel@...ts.infradead.org Cc: linux-sh@...r.kernel.org, Mike Turquette <mturquette@...aro.org>, Daniel Lezcano <daniel.lezcano@...aro.org>, linux-kernel@...r.kernel.org Subject: [PATCH 02/12] 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@...aro.org> Cc: linux-kernel@...r.kernel.org Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@...asonboard.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); err1: iounmap(p->mapbase); err0: -- 1.8.1.5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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