From 1c09eb3e2d761ffd152faa6b9d06caf560e7d445 Mon Sep 17 00:00:00 2001 From: Laurent Pinchart Date: Fri, 8 Nov 2013 11:08:00 +0100 Subject: [PATCH] clocksource: sh_tmu: 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 Cc: linux-kernel@vger.kernel.org Signed-off-by: Laurent Pinchart Acked-by: Simon Horman Signed-off-by: Daniel Lezcano --- drivers/clocksource/sh_tmu.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/drivers/clocksource/sh_tmu.c b/drivers/clocksource/sh_tmu.c index 1597837..63557cd 100644 --- a/drivers/clocksource/sh_tmu.c +++ b/drivers/clocksource/sh_tmu.c @@ -472,6 +472,11 @@ static int sh_tmu_setup(struct sh_tmu_priv *p, struct platform_device *pdev) ret = PTR_ERR(p->clk); goto err1; } + + ret = clk_prepare(p->clk); + if (ret < 0) + goto err2; + p->cs_enabled = false; p->enable_count = 0; @@ -479,10 +484,12 @@ static int sh_tmu_setup(struct sh_tmu_priv *p, struct platform_device *pdev) cfg->clockevent_rating, cfg->clocksource_rating); if (ret < 0) - goto err2; + goto err3; return 0; + err3: + clk_unprepare(p->clk); err2: clk_put(p->clk); err1: -- 2.7.4