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| author | Rajendra Nayak <rnayak@ti.com> | 2011-02-25 23:48:36 +0100 |
|---|---|---|
| committer | Paul Walmsley <paul@pwsan.com> | 2011-02-26 00:09:52 +0100 |
| commit | 6c52f32dcf1d76a95bda3a12d6be9a3102a2693c (patch) | |
| tree | c970d72dab700ee0c87d9cb4ef10da3a3740d792 /arch/arm/mach-omap2/clock.c | |
| parent | OMAP: clockdomain: Arch specific funcs for clkdm_clk_enable/disable (diff) | |
| download | linux-6c52f32dcf1d76a95bda3a12d6be9a3102a2693c.tar.xz linux-6c52f32dcf1d76a95bda3a12d6be9a3102a2693c.zip | |
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 <rnayak@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Diffstat (limited to 'arch/arm/mach-omap2/clock.c')
| -rw-r--r-- | arch/arm/mach-omap2/clock.c | 14 |
1 files 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; |