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Date:   Wed, 6 Dec 2017 12:41:06 +0300
From:   Sergei Shtylyov <sergei.shtylyov@...entembedded.com>
To:     Arvind Yadav <arvind.yadav.cs@...il.com>, b.zolnierkie@...sung.com,
        tj@...nel.org
Cc:     linux-kernel@...r.kernel.org, linux-ide@...r.kernel.org
Subject: Re: [PATCH v4] pata_pdc2027x: Fix pdc_adjust_pll() to return the
 error value

Hello!

On 12/5/2017 9:50 PM, Arvind Yadav wrote:

> This change is to ensure that function pdc_adjust_pll() returns the
> error value to avoid the unnecessary error check for pdc_hardware_init()
> in pdc2027x_reinit_one().
> 
> Signed-off-by: Arvind Yadav <arvind.yadav.cs@...il.com>
> ---
> changes in v2 :
>                 Make function return type 'void' instead of 'int.
>                 Add sapce between ':'.
> changes in v3 :
>                 Fix the checkpatch.pl errors in a sperate patch.
> changes in v4 :
>                 return the error value from pdc_adjust_pll()
> 
>   drivers/ata/pata_pdc2027x.c | 13 ++++++-------
>   1 file changed, 6 insertions(+), 7 deletions(-)
> 
> diff --git a/drivers/ata/pata_pdc2027x.c b/drivers/ata/pata_pdc2027x.c
> index 82bfd51..eca16b0 100644
> --- a/drivers/ata/pata_pdc2027x.c
> +++ b/drivers/ata/pata_pdc2027x.c
[...]
> @@ -664,9 +664,8 @@ static int pdc_hardware_init(struct ata_host *host, unsigned int board_idx)
>   	dev_info(host->dev, "PLL input clock %ld kHz\n", pll_clock/1000);
>   
>   	/* Adjust PLL control register */
> -	pdc_adjust_pll(host, pll_clock, board_idx);
> +	return pdc_adjust_pll(host, pll_clock, board_idx);
>   

    Please also remove this empty line (between *return* and }).

> -	return 0;
>   }
>   
>   /**

MBR, Sergei

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