linux-kernel - Re: [PATCH 3/3] usb: ohci-at91: use device managed clk retrieval

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Message-ID: <529DE791.6080007@atmel.com>
Date:	Tue, 3 Dec 2013 15:15:45 +0100
From:	Nicolas Ferre <nicolas.ferre@...el.com>
To:	Boris BREZILLON <b.brezillon@...rkiz.com>,
	Douglas Gilbert <dgilbert@...erlog.com>,
	Tomasz Figa <tomasz.figa@...il.com>,
	Alan Stern <stern@...land.harvard.edu>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
CC:	Grant Likely <grant.likely@...aro.org>,
	<linux-usb@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH 3/3] usb: ohci-at91: use device managed clk retrieval

On 03/12/2013 15:07, Boris BREZILLON :
> Replace clk_get calls by devm_clk_get calls.
>
> Signed-off-by: Boris BREZILLON <b.brezillon@...rkiz.com>
> Tested-by: Robert Nelson <robertcnelson@...il.com>

Acked-by: Nicolas Ferre <nicolas.ferre@...el.com>

Thanks Boris for these fixes.

Alan, Greg, can you take the whole series as fixes for 3.13?

Thanks, best regards,

> ---
>   drivers/usb/host/ohci-at91.c |   32 ++++++++------------------------
>   1 file changed, 8 insertions(+), 24 deletions(-)
>
> diff --git a/drivers/usb/host/ohci-at91.c b/drivers/usb/host/ohci-at91.c
> index c406f1e..3652962 100644
> --- a/drivers/usb/host/ohci-at91.c
> +++ b/drivers/usb/host/ohci-at91.c
> @@ -164,30 +164,30 @@ static int usb_hcd_at91_probe(const struct hc_driver *driver,
>   		goto err;
>   	}
>
> -	iclk = clk_get(&pdev->dev, "ohci_clk");
> +	iclk = devm_clk_get(dev, "ohci_clk");
>   	if (IS_ERR(iclk)) {
> -		dev_err(&pdev->dev, "failed to get ohci_clk\n");
> +		dev_err(dev, "failed to get ohci_clk\n");
>   		retval = PTR_ERR(iclk);
>   		goto err;
>   	}
> -	fclk = clk_get(&pdev->dev, "uhpck");
> +	fclk = devm_clk_get(dev, "uhpck");
>   	if (IS_ERR(fclk)) {
>   		dev_err(&pdev->dev, "failed to get uhpck\n");
>   		retval = PTR_ERR(fclk);
> -		goto err4;
> +		goto err;
>   	}
> -	hclk = clk_get(&pdev->dev, "hclk");
> +	hclk = devm_clk_get(dev, "hclk");
>   	if (IS_ERR(hclk)) {
>   		dev_err(&pdev->dev, "failed to get hclk\n");
>   		retval = PTR_ERR(hclk);
> -		goto err5;
> +		goto err;
>   	}
>   	if (IS_ENABLED(CONFIG_COMMON_CLK)) {
> -		uclk = clk_get(&pdev->dev, "usb_clk");
> +		uclk = devm_clk_get(&pdev->dev, "usb_clk");
>   		if (IS_ERR(uclk)) {
>   			dev_err(&pdev->dev, "failed to get uclk\n");
>   			retval = PTR_ERR(uclk);
> -			goto err6;
> +			goto err;
>   		}
>   	}
>
> @@ -203,15 +203,6 @@ static int usb_hcd_at91_probe(const struct hc_driver *driver,
>   	/* Error handling */
>   	at91_stop_hc(pdev);
>
> -	if (IS_ENABLED(CONFIG_COMMON_CLK))
> -		clk_put(uclk);
> - err6:
> -	clk_put(hclk);
> - err5:
> -	clk_put(fclk);
> - err4:
> -	clk_put(iclk);
> -
>    err:
>   	usb_put_hcd(hcd);
>   	return retval;
> @@ -236,13 +227,6 @@ static void usb_hcd_at91_remove(struct usb_hcd *hcd,
>   	usb_remove_hcd(hcd);
>   	at91_stop_hc(pdev);
>   	usb_put_hcd(hcd);
> -
> -	if (IS_ENABLED(CONFIG_COMMON_CLK))
> -		clk_put(uclk);
> -	clk_put(hclk);
> -	clk_put(fclk);
> -	clk_put(iclk);
> -	fclk = iclk = hclk = NULL;
>   }
>
>   /*-------------------------------------------------------------------------*/
>


-- 
Nicolas Ferre
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