linux-kernel - Re: [PATCH] fpga: xilinx-pr-decoupler: Remove clk

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Message-ID: <20200110205307.GA3246@epycbox.lan>
Date:   Fri, 10 Jan 2020 12:53:07 -0800
From:   Moritz Fischer <mdf@...nel.org>
To:     Nava kishore Manne <nava.manne@...inx.com>
Cc:     mdf@...nel.org, michal.simek@...inx.com,
        linux-fpga@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org,
        Shubhrajyoti Datta <shubhrajyoti.datta@...inx.com>
Subject: Re: [PATCH] fpga: xilinx-pr-decoupler: Remove clk_get error message
 for probe defer

On Fri, Jan 10, 2020 at 12:01:13PM +0530, Nava kishore Manne wrote:
> From: Shubhrajyoti Datta <shubhrajyoti.datta@...inx.com>
> 
> In probe, the driver checks for devm_clk_get return and print error
> message in the failing case. However for -EPROBE_DEFER this message
> is confusing so avoid it.
> 
> Signed-off-by: Shubhrajyoti Datta <shubhrajyoti.datta@...inx.com>
> Signed-off-by: Michal Simek <michal.simek@...inx.com>
> ---
>  drivers/fpga/xilinx-pr-decoupler.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/fpga/xilinx-pr-decoupler.c b/drivers/fpga/xilinx-pr-decoupler.c
> index af9b387c56d3..7d69af230567 100644
> --- a/drivers/fpga/xilinx-pr-decoupler.c
> +++ b/drivers/fpga/xilinx-pr-decoupler.c
> @@ -101,7 +101,8 @@ static int xlnx_pr_decoupler_probe(struct platform_device *pdev)
>  
>  	priv->clk = devm_clk_get(&pdev->dev, "aclk");
>  	if (IS_ERR(priv->clk)) {
> -		dev_err(&pdev->dev, "input clock not found\n");
> +		if (PTR_ERR(priv->clk) != -EPROBE_DEFER)
> +			dev_err(&pdev->dev, "input clock not found\n");
>  		return PTR_ERR(priv->clk);
>  	}
>  
> -- 
> 2.18.0
> 
Applied to for-next,

Thanks