linux-kernel - Re: [PATCH 1/2] dma: imx-sdma: Let the driver be probed even if no firware is found

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Date:	Tue, 06 Mar 2012 17:34:43 +0530
From:	Vinod Koul <vinod.koul@...el.com>
To:	Fabio Estevam <festevam@...il.com>
Cc:	linux-kernel@...r.kernel.org, dan.j.williams@...el.com,
	kernel@...gutronix.de, shawn.guo@...escale.com,
	Fabio Estevam <fabio.estevam@...escale.com>
Subject: Re: [PATCH 1/2] dma: imx-sdma: Let the driver be probed even if no
 firware is found

On Wed, 2012-02-29 at 11:20 -0300, Fabio Estevam wrote:
> On the device tree case the code bails out when the firmware name cannot be found
> or if the firmware fails to be requested.
> 
> Fix this behaviour as the SDMA engine can still operate with the built-in
> ROM scripts.
> 
> Signed-off-by: Fabio Estevam <fabio.estevam@...escale.com>
Both Applied, Thanks
> ---
>  drivers/dma/imx-sdma.c |   13 +++++--------
>  1 files changed, 5 insertions(+), 8 deletions(-)
> 
> diff --git a/drivers/dma/imx-sdma.c b/drivers/dma/imx-sdma.c
> index bf736ad..130b994 100644
> --- a/drivers/dma/imx-sdma.c
> +++ b/drivers/dma/imx-sdma.c
> @@ -1397,15 +1397,12 @@ static int __init sdma_probe(struct platform_device *pdev)
>  		 */
>  		ret = of_property_read_string(np, "fsl,sdma-ram-script-name",
>  					      &fw_name);
> -		if (ret) {
> +		if (ret)
>  			dev_err(&pdev->dev, "failed to get firmware name\n");
> -			goto err_init;
> -		}
> -
> -		ret = sdma_get_firmware(sdma, fw_name);
> -		if (ret) {
> -			dev_err(&pdev->dev, "failed to get firmware\n");
> -			goto err_init;
> +		else {
> +			ret = sdma_get_firmware(sdma, fw_name);
> +			if (ret)
> +				dev_err(&pdev->dev, "failed to get firmware\n");
>  		}
>  	}
>  


-- 
~Vinod

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