Introduce io_gate_val for sandbox clk gate test usage
Signed-off-by: Peng Fan <peng....@nxp.com>
---
drivers/clk/clk-gate.c | 11 +++++++++++
include/linux/clk-provider.h | 3 +++
2 files changed, 14 insertions(+)
diff --git a/drivers/clk/clk-gate.c b/drivers/clk/clk-gate.c
index a3a1fdd3b2..70b8794554 100644
--- a/drivers/clk/clk-gate.c
+++ b/drivers/clk/clk-gate.c
@@ -55,7 +55,11 @@ static void clk_gate_endisable(struct clk *clk, int enable)
if (set)
reg |= BIT(gate->bit_idx);
} else {
+#if CONFIG_IS_ENABLED(SANDBOX_CLK_CCF)
+ reg = gate->io_gate_val;
+#else
reg = readl(gate->reg);
+#endif
if (set)
reg |= BIT(gate->bit_idx);
@@ -86,7 +90,11 @@ int clk_gate_is_enabled(struct clk *clk)
dev_get_clk_ptr(clk->dev) : clk);
u32 reg;
+#if CONFIG_IS_ENABLED(SANDBOX_CLK_CCF)
+ reg = gate->io_gate_val;
+#else
reg = readl(gate->reg);
+#endif
/* if a set bit disables this clk, flip it before masking */
if (gate->flags & CLK_GATE_SET_TO_DISABLE)
@@ -128,6 +136,9 @@ struct clk *clk_register_gate(struct device *dev, const
char *name,
gate->reg = reg;
gate->bit_idx = bit_idx;
gate->flags = clk_gate_flags;
+#if CONFIG_IS_ENABLED(SANDBOX_CLK_CCF)
+ gate->io_gate_val = *(u32 *)reg;
+#endif
clk = &gate->clk;
diff --git a/include/linux/clk-provider.h b/include/linux/clk-provider.h
index 32a777d86c..1e8183207d 100644
--- a/include/linux/clk-provider.h
+++ b/include/linux/clk-provider.h
@@ -75,6 +75,9 @@ struct clk_gate {
void __iomem *reg;
u8 bit_idx;
u8 flags;
+#if CONFIG_IS_ENABLED(SANDBOX_CLK_CCF)
+ u32 io_gate_val;
+#endif
};
#define to_clk_gate(_clk) container_of(_clk, struct clk_gate, clk)
--
2.16.4
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