For clocks depending on some other clock domain one may want to perform
specific ops before actual enable/disable of gate clock. Allow such case
by accepting supplied ops in new exported function:
clk_register_gate_ops().
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@xxxxxxxxxxx>
---
drivers/clk/clk-gate.c | 16 +++++++++++++---
include/linux/clk-provider.h | 5 +++++
2 files changed, 18 insertions(+), 3 deletions(-)
diff --git a/drivers/clk/clk-gate.c b/drivers/clk/clk-gate.c
index 51fd87fb7ba6..51802af2d9e7 100644
--- a/drivers/clk/clk-gate.c
+++ b/drivers/clk/clk-gate.c
@@ -117,11 +117,12 @@ EXPORT_SYMBOL_GPL(clk_gate_ops);
* @bit_idx: which bit in the register controls gating of this clock
* @clk_gate_flags: gate-specific flags for this clock
* @lock: shared register lock for this clock
+ * @ops: clk_ops to use for this clock
*/
-struct clk *clk_register_gate(struct device *dev, const char *name,
+struct clk *clk_register_gate_ops(struct device *dev, const char *name,
const char *parent_name, unsigned long flags,
void __iomem *reg, u8 bit_idx,
- u8 clk_gate_flags, spinlock_t *lock)
+ u8 clk_gate_flags, spinlock_t *lock, const struct clk_ops *ops)
{
struct clk_gate *gate;
struct clk *clk;
@@ -142,7 +143,7 @@ struct clk *clk_register_gate(struct device *dev, const char *name,
}
init.name = name;
- init.ops = &clk_gate_ops;
+ init.ops = ops;
init.flags = flags | CLK_IS_BASIC;
init.parent_names = (parent_name ? &parent_name: NULL);
init.num_parents = (parent_name ? 1 : 0);
@@ -161,4 +162,13 @@ struct clk *clk_register_gate(struct device *dev, const char *name,
return clk;
}
+EXPORT_SYMBOL_GPL(clk_register_gate_ops);
+
+struct clk *clk_register_gate(struct device *dev, const char *name,
+ const char *parent_name, unsigned long flags,
+ void __iomem *reg, u8 bit_idx,
+ u8 clk_gate_flags, spinlock_t *lock)
+{
+ return clk_register_gate_ops(dev, name, parent_name, flags, reg, bit_idx, clk_gate_flags, lock, &clk_gate_ops);
+}
EXPORT_SYMBOL_GPL(clk_register_gate);
diff --git a/include/linux/clk-provider.h b/include/linux/clk-provider.h
index be21af149f11..6cfc77a9f339 100644
--- a/include/linux/clk-provider.h
+++ b/include/linux/clk-provider.h
@@ -290,11 +290,16 @@ struct clk_gate {
#define CLK_GATE_HIWORD_MASK BIT(1)
extern const struct clk_ops clk_gate_ops;
+struct clk *clk_register_gate_ops(struct device *dev, const char *name,
+ const char *parent_name, unsigned long flags,
+ void __iomem *reg, u8 bit_idx,
+ u8 clk_gate_flags, spinlock_t *lock, const struct clk_ops *ops);
struct clk *clk_register_gate(struct device *dev, const char *name,
const char *parent_name, unsigned long flags,
void __iomem *reg, u8 bit_idx,
u8 clk_gate_flags, spinlock_t *lock);
+
struct clk_div_table {
unsigned int val;
unsigned int div;
--
1.9.1
--
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