On 08/22, Chanwoo Choi wrote:
> This patch moves the all samsung_cmu_info struct to initconst section
> because they are used only in initconst section.
> 
> Signed-off-by: Chanwoo Choi <cw00.c...@samsung.com>
> ---
>  drivers/clk/samsung/clk-exynos5260.c | 350 
> +++++++++++++++++------------------
>  1 file changed, 175 insertions(+), 175 deletions(-)
> 
> diff --git a/drivers/clk/samsung/clk-exynos5260.c 
> b/drivers/clk/samsung/clk-exynos5260.c
> index a43642c36039..fd1d9bfc151b 100644
> --- a/drivers/clk/samsung/clk-exynos5260.c
> +++ b/drivers/clk/samsung/clk-exynos5260.c
> @@ -131,21 +131,21 @@ static const struct samsung_gate_clock aud_gate_clks[] 
> __initconst = {
>                       EN_IP_AUD, 4, 0, 0),
>  };
>  
> +static const struct samsung_cmu_info aud_cmu __initconst = {
> +     .mux_clks       = aud_mux_clks,
> +     .nr_mux_clks    = ARRAY_SIZE(aud_mux_clks),
> +     .div_clks       = aud_div_clks,
> +     .nr_div_clks    = ARRAY_SIZE(aud_div_clks),
> +     .gate_clks      = aud_gate_clks,
> +     .nr_gate_clks   = ARRAY_SIZE(aud_gate_clks),
> +     .nr_clk_ids     = AUD_NR_CLK,
> +     .clk_regs       = aud_clk_regs,
> +     .nr_clk_regs    = ARRAY_SIZE(aud_clk_regs),
> +};
> +
>  static void __init exynos5260_clk_aud_init(struct device_node *np)
>  {
> -     struct samsung_cmu_info cmu = { NULL };
> -

I presume this was done this way to save some initdata space by
only allocating the array that's needed at runtime? I would
expect to see some more kernel image bloat from this change but
runtime memory usage would stay the same. Is there any real
benefit from this patch though?

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