clk: Document .is_enabled op

Add the missing kernel-doc for this op.

Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Mike Turquette <mturquette@linaro.org>

1 files changed, 4 insertions, 0 deletions

diff --git a/include/linux/clk-provider.h b/include/linux/clk-provider.h
index c12731582920..2aa808bdc257 100644
--- a/include/linux/clk-provider.h
+++ b/include/linux/clk-provider.h
@@ -53,6 +53,10 @@ struct clk_hw;
  * @disable:    Disable the clock atomically. Called with enable_lock held.
  *              This function must not sleep.
  *
+ * @is_enabled: Queries the hardware to determine if the clock is enabled.
+ *              This function must not sleep. Optional, if this op is not
+ *              set then the enable count will be used.
+ *
  * @recalc_rate Recalculate the rate of this clock, by quering hardware.  The
  *              parent rate is an input parameter.  It is up to the caller to
  *              insure that the prepare_mutex is held across this call.