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

commit 073a01e8d7 upstream.

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: d3ff972813 ("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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
5.4-rM2-2.2.x-imx-squashed
Peng Fan 2019-11-01 10:16:19 +00:00 committed by Greg Kroah-Hartman
parent 9a5b1c2f5a
commit ee66712ed3
1 changed files with 2 additions and 0 deletions
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2
drivers/clk/imx/clk-composite-8m.c
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@ -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,