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authorJiri Kosina <jkosina@suse.cz>2018-11-06 13:57:02 +0100
committerJiri Kosina <jkosina@suse.cz>2018-11-06 13:57:02 +0100
commit0c7244209588630a9b45e52490ef1390e04499a6 (patch)
treed60f5610f9b36ff05ed5202396c811628bacdb61 /include/linux/clk-provider.h
parentHID: i2c-hid: add Direkt-Tek DTLAPY133-1 to descriptor override (diff)
parentMerge tag 'platform-drivers-x86-v4.20-1' of git://git.infradead.org/linux-platform-drivers-x86 (diff)
downloadlinux-dev-0c7244209588630a9b45e52490ef1390e04499a6.tar.xz
linux-dev-0c7244209588630a9b45e52490ef1390e04499a6.zip
Merge branch 'master' into for-4.20/upstream-fixes
Pull in a merge commit that brought in 3b692c55e58d ("HID: asus: only support backlight when it's not driven by WMI") so that fixup could be applied on top of it.
Diffstat (limited to 'include/linux/clk-provider.h')
-rw-r--r--include/linux/clk-provider.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/include/linux/clk-provider.h b/include/linux/clk-provider.h
index 08b1aa70a38d..60c51871b04b 100644
--- a/include/linux/clk-provider.h
+++ b/include/linux/clk-provider.h
@@ -119,6 +119,11 @@ struct clk_duty {
* Called with enable_lock held. This function must not
* sleep.
*
+ * @save_context: Save the context of the clock in prepration for poweroff.
+ *
+ * @restore_context: Restore the context of the clock after a restoration
+ * of power.
+ *
* @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
* ensure that the prepare_mutex is held across this call.
@@ -223,6 +228,8 @@ struct clk_ops {
void (*disable)(struct clk_hw *hw);
int (*is_enabled)(struct clk_hw *hw);
void (*disable_unused)(struct clk_hw *hw);
+ int (*save_context)(struct clk_hw *hw);
+ void (*restore_context)(struct clk_hw *hw);
unsigned long (*recalc_rate)(struct clk_hw *hw,
unsigned long parent_rate);
long (*round_rate)(struct clk_hw *hw, unsigned long rate,
@@ -1011,5 +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 */