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Diffstat (limited to 'drivers/clk/sunxi-ng/ccu_mux.h')
-rw-r--r--drivers/clk/sunxi-ng/ccu_mux.h14
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/clk/sunxi-ng/ccu_mux.h b/drivers/clk/sunxi-ng/ccu_mux.h
index 8eab173..f5123a1 100644
--- a/drivers/clk/sunxi-ng/ccu_mux.h
+++ b/drivers/clk/sunxi-ng/ccu_mux.h
@@ -96,4 +96,18 @@ int ccu_mux_helper_set_parent(struct ccu_common *common,
struct ccu_mux_internal *cm,
u8 index);
+struct ccu_mux_nb {
+ struct notifier_block clk_nb;
+ struct ccu_common *common;
+ struct ccu_mux_internal *cm;
+
+ u32 delay_us; /* How many us to wait after reparenting */
+ u8 bypass_index; /* Which parent to temporarily use */
+ u8 original_index; /* This is set by the notifier callback */
+};
+
+#define to_ccu_mux_nb(_nb) container_of(_nb, struct ccu_mux_nb, clk_nb)
+
+int ccu_mux_notifier_register(struct clk *clk, struct ccu_mux_nb *mux_nb);
+
#endif /* _CCU_MUX_H_ */