From 6c52f32dcf1d76a95bda3a12d6be9a3102a2693c Mon Sep 17 00:00:00 2001 From: Rajendra Nayak Date: Fri, 25 Feb 2011 15:48:36 -0700 Subject: [PATCH] omap: clock: Check for enable/disable ops support Check if enable/disable operations are supported for a given clock node before attempting to call them. Signed-off-by: Rajendra Nayak Signed-off-by: Paul Walmsley --- arch/arm/mach-omap2/clock.c | 14 +++++++++----- 1 file changed, 9 insertions(+), 5 deletions(-) diff --git a/arch/arm/mach-omap2/clock.c b/arch/arm/mach-omap2/clock.c index e9625fcf6390..b1875965bb51 100644 --- a/arch/arm/mach-omap2/clock.c +++ b/arch/arm/mach-omap2/clock.c @@ -261,7 +261,8 @@ void omap2_clk_disable(struct clk *clk) pr_debug("clock: %s: disabling in hardware\n", clk->name); - clk->ops->disable(clk); + if (clk->ops && clk->ops->disable) + clk->ops->disable(clk); if (clk->clkdm) clkdm_clk_disable(clk->clkdm, clk); @@ -312,10 +313,13 @@ int omap2_clk_enable(struct clk *clk) } } - ret = clk->ops->enable(clk); - if (ret) { - WARN(1, "clock: %s: could not enable: %d\n", clk->name, ret); - goto oce_err3; + if (clk->ops && clk->ops->enable) { + ret = clk->ops->enable(clk); + if (ret) { + WARN(1, "clock: %s: could not enable: %d\n", + clk->name, ret); + goto oce_err3; + } } return 0;