[PATCH v2 1/2] clk: meson: meson8b: mark clk81 as critical

[narmstrong@baylibre.com (Neil Armstrong)]

On 05/24/2017 11:39 AM, Jerome Brunet wrote:
> From: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
> 
> Disabling clk81 results in an immediate freeze of the whole system. This
> can happen "accidentally" when the last child-clock of clk81 is disabled
> (in this case the common clock framework also disables clk81, even if it
> was only enabled indirectly before).
> 
> Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
> Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
> ---
>  drivers/clk/meson/meson8b.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/clk/meson/meson8b.c b/drivers/clk/meson/meson8b.c
> index e9985503165c..9d1aaf6e9ac6 100644
> --- a/drivers/clk/meson/meson8b.c
> +++ b/drivers/clk/meson/meson8b.c
> @@ -399,7 +399,7 @@ struct clk_gate meson8b_clk81 = {
>  		.ops = &clk_gate_ops,
>  		.parent_names = (const char *[]){ "mpeg_clk_div" },
>  		.num_parents = 1,
> -		.flags = (CLK_SET_RATE_PARENT | CLK_IGNORE_UNUSED),
> +		.flags = (CLK_SET_RATE_PARENT | CLK_IS_CRITICAL),
>  	},
>  };
>  
> 

Acked-by: Neil Armstrong <narmstrong@baylibre.com>