linux-kernel - Re: [PATCH] clk: pxa: fix pxa27x_clocks

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Date:	Mon, 02 Feb 2015 11:48:17 -0800
From:	Stephen Boyd <sboyd@...eaurora.org>
To:	Robert Jarzmik <robert.jarzmik@...e.fr>,
	Mike Turquette <mturquette@...aro.org>
CC:	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] clk: pxa: fix pxa27x_clocks_init scope

On 01/31/15 14:37, Robert Jarzmik wrote:
> As pxa27x_clocks_init() is called from early boot stage, it has to be
> reachable from pxa architecture code, as are pxa25x_clocks_init() and
> pxa2xx_clock_init().
>
> Remove the static declaration, which was introduced before the order
> issue between clocks and the timer was discovered (ie. the clocks have
> to be available before the timer, all of this before initcalls are
> called).
>
> Signed-off-by: Robert Jarzmik <robert.jarzmik@...e.fr>

Is this supposed to go through the clk tree?

$ git grep pxa27x_clocks_init
drivers/clk/pxa/clk-pxa27x.c:static int __init pxa27x_clocks_init(void)
drivers/clk/pxa/clk-pxa27x.c:postcore_initcall(pxa27x_clocks_init);
drivers/clk/pxa/clk-pxa27x.c:   pxa27x_clocks_init();

Where's the early boot stage architecture calling code?

> ---
>  drivers/clk/pxa/clk-pxa27x.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/clk/pxa/clk-pxa27x.c b/drivers/clk/pxa/clk-pxa27x.c
> index 5f9b54b..7f8f344 100644
> --- a/drivers/clk/pxa/clk-pxa27x.c
> +++ b/drivers/clk/pxa/clk-pxa27x.c
> @@ -362,7 +362,7 @@ static void __init pxa27x_base_clocks_init(void)
>  	clk_register_clk_pxa27x_lcd_base();
>  }
>  
> -static int __init pxa27x_clocks_init(void)
> +int __init pxa27x_clocks_init(void)
>  {
>  	pxa27x_base_clocks_init();
>  	return clk_pxa_cken_init(pxa27x_clocks, ARRAY_SIZE(pxa27x_clocks));


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