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Message-ID: <d9bde8fc-acd0-5b27-1c55-53c65a88ee06@linux-m68k.org>
Date:   Tue, 18 Jul 2017 22:03:26 +1000
From:   Greg Ungerer <gerg@...ux-m68k.org>
To:     Jonas Gorski <jonas.gorski@...il.com>
Cc:     Geert Uytterhoeven <geert@...ux-m68k.org>,
        linux-m68k@...ts.linux-m68k.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 4/9] m68k: allow NULL clock for clk_get_rate

Hi Jonas,

On 18/07/17 20:17, Jonas Gorski wrote:
> Make the behaviour of clk_get_rate consistent with common clk's
> clk_get_rate by accepting NULL clocks as parameter. Some device
> drivers rely on this, and will cause an OOPS otherwise.
> 
> Fixes: facdf0ed4f59 ("m68knommu: introduce basic clk infrastructure")
> Cc: Greg Ungerer <gerg@...ux-m68k.org>

Acked-by: Greg Ungerer <gerg@...ux-m68k.org>

Do you want me to push this via the m68knommu git tree?
Or are you (or someone) taking the series as a whole?

Regards
Greg



> Cc: Geert Uytterhoeven <geert@...ux-m68k.org>
> Cc: linux-m68k@...ts.linux-m68k.org
> Cc: linux-kernel@...r.kernel.org
> Reported-by: Mathias Kresin <dev@...sin.me>
> Signed-off-by: Jonas Gorski <jonas.gorski@...il.com>
> ---
>   arch/m68k/coldfire/clk.c | 3 +++
>   1 file changed, 3 insertions(+)
> 
> diff --git a/arch/m68k/coldfire/clk.c b/arch/m68k/coldfire/clk.c
> index 1e3c7e9193d1..856069a3196d 100644
> --- a/arch/m68k/coldfire/clk.c
> +++ b/arch/m68k/coldfire/clk.c
> @@ -121,6 +121,9 @@ EXPORT_SYMBOL(clk_put);
>   
>   unsigned long clk_get_rate(struct clk *clk)
>   {
> +	if (!clk)
> +		return 0;
> +
>   	return clk->rate;
>   }
>   EXPORT_SYMBOL(clk_get_rate);
> 

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