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Subject[RFC 2/4] clk: Add clk_gate_ro_ops for read-only gate clocks
Date
The clocks that can be changed from outside of the clock common framework
scope (for example, EL3) need to have only the .is_enabled gate op.

Signed-off-by: Abel Vesa <abel.vesa@nxp.com>
---
drivers/clk/clk-gate.c | 5 +++++
include/linux/clk-provider.h | 1 +
2 files changed, 6 insertions(+)

diff --git a/drivers/clk/clk-gate.c b/drivers/clk/clk-gate.c
index 070dc47..41ca887 100644
--- a/drivers/clk/clk-gate.c
+++ b/drivers/clk/clk-gate.c
@@ -123,6 +123,11 @@ const struct clk_ops clk_gate_ops = {
};
EXPORT_SYMBOL_GPL(clk_gate_ops);

+const struct clk_ops clk_gate_ro_ops = {
+ .is_enabled = clk_gate_is_enabled,
+};
+EXPORT_SYMBOL_GPL(clk_gate_ro_ops);
+
struct clk_hw *__clk_hw_register_gate(struct device *dev,
struct device_node *np, const char *name,
const char *parent_name, const struct clk_hw *parent_hw,
diff --git a/include/linux/clk-provider.h b/include/linux/clk-provider.h
index 94a78b3..6668d2d 100644
--- a/include/linux/clk-provider.h
+++ b/include/linux/clk-provider.h
@@ -485,6 +485,7 @@ struct clk_gate {
#define CLK_GATE_BIG_ENDIAN BIT(2)

extern const struct clk_ops clk_gate_ops;
+extern const struct clk_ops clk_gate_ro_ops;
struct clk_hw *__clk_hw_register_gate(struct device *dev,
struct device_node *np, const char *name,
const char *parent_name, const struct clk_hw *parent_hw,
--
2.7.4
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