forked from luck/tmp_suning_uos_patched
clk: clk: Add clk_gate_restore_context function
The clock gate restore context function enables or disables the gate clocks based on the enable_count. This is done in cases where the clock context is lost and based on the enable_count the clock either needs to be enabled/disabled. Signed-off-by: Keerthy <j-keerthy@ti.com> Acked-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Tero Kristo <t-kristo@ti.com>
This commit is contained in:
parent
8b95d1ce33
commit
435365485f
|
@ -923,6 +923,25 @@ static int clk_core_enable_lock(struct clk_core *core)
|
|||
return ret;
|
||||
}
|
||||
|
||||
/**
|
||||
* clk_gate_restore_context - restore context for poweroff
|
||||
* @hw: the clk_hw pointer of clock whose state is to be restored
|
||||
*
|
||||
* The clock gate restore context function enables or disables
|
||||
* the gate clocks based on the enable_count. This is done in cases
|
||||
* where the clock context is lost and based on the enable_count
|
||||
* the clock either needs to be enabled/disabled. This
|
||||
* helps restore the state of gate clocks.
|
||||
*/
|
||||
void clk_gate_restore_context(struct clk_hw *hw)
|
||||
{
|
||||
if (hw->clk->core->enable_count)
|
||||
hw->clk->core->ops->enable(hw);
|
||||
else
|
||||
hw->clk->core->ops->disable(hw);
|
||||
}
|
||||
EXPORT_SYMBOL_GPL(clk_gate_restore_context);
|
||||
|
||||
static int _clk_save_context(struct clk_core *clk)
|
||||
{
|
||||
struct clk_core *child;
|
||||
|
|
|
@ -1018,5 +1018,7 @@ static inline void clk_writel(u32 val, u32 __iomem *reg)
|
|||
|
||||
#endif /* platform dependent I/O accessors */
|
||||
|
||||
void clk_gate_restore_context(struct clk_hw *hw);
|
||||
|
||||
#endif /* CONFIG_COMMON_CLK */
|
||||
#endif /* CLK_PROVIDER_H */
|
||||
|
|
Loading…
Reference in New Issue
Block a user