diff options
Diffstat (limited to 'include/linux/clk-provider.h')
| -rw-r--r-- | include/linux/clk-provider.h | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/include/linux/clk-provider.h b/include/linux/clk-provider.h index f9f5e9eeb9dd..172d5bdaf03d 100644 --- a/include/linux/clk-provider.h +++ b/include/linux/clk-provider.h @@ -53,9 +53,13 @@ struct clk_hw; * @disable: Disable the clock atomically. Called with enable_lock held. * This function must not sleep. * - * @recalc_rate Recalculate the rate of this clock, by quering hardware. The + * @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 querying 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. + * ensure that the prepare_mutex is held across this call. * Returns the calculated rate. Optional, but recommended - if * this op is not set then clock rate will be initialized to 0. * @@ -89,7 +93,7 @@ struct clk_hw; * implementations to split any work between atomic (enable) and sleepable * (prepare) contexts. If enabling a clock requires code that might sleep, * this must be done in clk_prepare. Clock enable code that will never be - * called in a sleepable context may be implement in clk_enable. + * called in a sleepable context may be implemented in clk_enable. * * Typically, drivers will call clk_prepare when a clock may be needed later * (eg. when a device is opened), and clk_enable when the clock is actually @@ -335,11 +339,11 @@ const char *__clk_get_name(struct clk *clk); struct clk_hw *__clk_get_hw(struct clk *clk); u8 __clk_get_num_parents(struct clk *clk); struct clk *__clk_get_parent(struct clk *clk); -int __clk_get_enable_count(struct clk *clk); -int __clk_get_prepare_count(struct clk *clk); +unsigned int __clk_get_enable_count(struct clk *clk); +unsigned int __clk_get_prepare_count(struct clk *clk); unsigned long __clk_get_rate(struct clk *clk); unsigned long __clk_get_flags(struct clk *clk); -int __clk_is_enabled(struct clk *clk); +bool __clk_is_enabled(struct clk *clk); struct clk *__clk_lookup(const char *name); /* |