Re: [PATCH] clk: reverse default clk provider initialization order in of_clk_init()

From: Sylwester Nawrocki
Date: Thu Mar 27 2014 - 06:49:48 EST


On 27/03/14 11:43, Sylwester Nawrocki wrote:
> This restores the default clocks registration order as parsed from
> devicetree, i.e. as before commit 1771b10d605d26ccee771a7fb4b08718
> "clk: respect the clock dependencies in of_clk_init", for when there
> is no explicit parent clock dependencies between clock providers
> specified in the device tree.
>
> It prevents regressions (boot failure, division by 0 errors) on
> imx and exynos platforms.
>
> Signed-off-by: Sylwester Nawrocki <s.nawrocki@xxxxxxxxxxx>

Oops, I've forgotten to add:

Tested-by: Fabio Estevam <fabio.estevam@xxxxxxxxxxxxx>

> ---
> drivers/clk/clk.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c
> index 07cba07..c859adf 100644
> --- a/drivers/clk/clk.c
> +++ b/drivers/clk/clk.c
> @@ -2596,7 +2596,7 @@ void __init of_clk_init(const struct of_device_id *matches)
>
> parent->clk_init_cb = match->data;
> parent->np = np;
> - list_add(&parent->node, &clk_provider_list);
> + list_add_tail(&parent->node, &clk_provider_list);
> }
>
> while (!list_empty(&clk_provider_list)) {

--
Regards,
Sylwester

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