clk: imx: clk-composite-8m: add lock to gate/mux

There is a lock to divider in the composite driver, but that's not
enough. lock to gate/mux are also needed to provide exclusive access
to the register.

Fixes: d3ff9728134e ("clk: imx: Add imx composite clock")
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

diff --git a/drivers/clk/imx/clk-composite-8m.c b/drivers/clk/imx/clk-composite-8m.c
index 388bdb9..d3486ee 100644 (file)
--- a/drivers/clk/imx/clk-composite-8m.c
+++ b/drivers/clk/imx/clk-composite-8m.c
@@ -142,6 +142,7 @@ struct clk *imx8m_clk_composite_flags(const char *name,
        mux->reg = reg;
        mux->shift = PCG_PCS_SHIFT;
        mux->mask = PCG_PCS_MASK;
+       mux->lock = &imx_ccm_lock;
 
        div = kzalloc(sizeof(*div), GFP_KERNEL);
        if (!div)
@@ -161,6 +162,7 @@ struct clk *imx8m_clk_composite_flags(const char *name,
        gate_hw = &gate->hw;
        gate->reg = reg;
        gate->bit_idx = PCG_CGC_SHIFT;
+       gate->lock = &imx_ccm_lock;
 
        hw = clk_hw_register_composite(NULL, name, parent_names, num_parents,
                        mux_hw, &clk_mux_ops, div_hw,