Introduce io_gate_val for sandbox clk gate test usage
Signed-off-by: Peng Fan peng.fan@nxp.com ---
V2: Rebase to master
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 b9547736ee..02ff1a311a 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)