Re: [PATCH] clk: imx: clk-composite-8m: add lock to gate/mux

From: Shawn Guo
Date: Mon Dec 02 2019 - 03:20:04 EST


On Fri, Nov 01, 2019 at 10:16:19AM +0000, Peng Fan wrote:
> From: Peng Fan <peng.fan@xxxxxxx>
>
> There is a lock to diviver in the composite driver, but that's not

s/diviver/divider

> enought. lock to gate/mux are also needed to provide exclusive access

s/enought/enough

> to the register.
>
> Fixes: d3ff9728134e ("clk: imx: Add imx composite clock")
> Signed-off-by: Peng Fan <peng.fan@xxxxxxx>

Other than above typos,

Acked-by: Shawn Guo <shawnguo@xxxxxxxxxx>

Stephen,

I assume you will take it a fix. Otherwise, please let me know.

Shawn

> ---
> drivers/clk/imx/clk-composite-8m.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/drivers/clk/imx/clk-composite-8m.c b/drivers/clk/imx/clk-composite-8m.c
> index e0f25983e80f..20f7c91c03d2 100644
> --- a/drivers/clk/imx/clk-composite-8m.c
> +++ b/drivers/clk/imx/clk-composite-8m.c
> @@ -142,6 +142,7 @@ struct clk_hw *imx8m_clk_hw_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_hw *imx8m_clk_hw_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,
> --
> 2.16.4
>