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Date:   Fri, 17 Jul 2020 11:13:27 +0200
From:   Alexandre Belloni <alexandre.belloni@bootlin.com>
To:     Claudiu Beznea <claudiu.beznea@microchip.com>
Cc:     mturquette@baylibre.com, sboyd@kernel.org,
        nicolas.ferre@microchip.com, ludovic.desroches@microchip.com,
        bbrezillon@kernel.org, linux-kernel@vger.kernel.org,
        linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH 05/19] clk: at91: sam9x60-pll: use logical or for range
 check
Message-ID: <20200717091327.GM3428@piout.net>
References: <1594812267-6697-1-git-send-email-claudiu.beznea@microchip.com>
 <1594812267-6697-6-git-send-email-claudiu.beznea@microchip.com>
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On 15/07/2020 14:24:13+0300, Claudiu Beznea wrote:
> Use logical or for range check. In case bestrate is not in
> characteristics->output[0].min..characteristics->output[0].max
> range we should return -ERANGE.
> 
> Fixes: a436c2a447e59 ("clk: at91: add sam9x60 PLL driver")
> Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Reviewed-by: Alexandre Belloni <alexandre.belloni@bootlin.com>

> ---
>  drivers/clk/at91/clk-sam9x60-pll.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/clk/at91/clk-sam9x60-pll.c b/drivers/clk/at91/clk-sam9x60-pll.c
> index d3152c0afcbf..dfb91c190bd1 100644
> --- a/drivers/clk/at91/clk-sam9x60-pll.c
> +++ b/drivers/clk/at91/clk-sam9x60-pll.c
> @@ -232,7 +232,7 @@ static long sam9x60_pll_get_best_div_mul(struct sam9x60_pll *pll,
>  	}
>  
>  	/* Check if bestrate is a valid output rate  */
> -	if (bestrate < characteristics->output[0].min &&
> +	if (bestrate < characteristics->output[0].min ||
>  	    bestrate > characteristics->output[0].max)
>  		return -ERANGE;
>  
> -- 
> 2.7.4
> 

-- 
Alexandre Belloni, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com