Subject: [PATCH 36/51] DMA-API: usb: use dma_set_coherent_mask()

From: [email-masked] (Felipe Balbi)
Date: Fri, 20 Sep 2013 08:08:53 -0500

Hi,

On Thu, Sep 19, 2013 at 11:01:03PM +0100, Russell King wrote:
> diff --git a/drivers/usb/dwc3/dwc3-exynos.c b/drivers/usb/dwc3/dwc3-exynos.c
> index 2f2e88a..c10b324 100644
> --- a/drivers/usb/dwc3/dwc3-exynos.c
> +++ b/drivers/usb/dwc3/dwc3-exynos.c
> @@ -121,8 +121,9 @@ static int dwc3_exynos_probe(struct platform_device *pdev)
>  	 */
>  	if (!dev->dma_mask)
>  		dev->dma_mask = &dev->coherent_dma_mask;
> -	if (!dev->coherent_dma_mask)
> -		dev->coherent_dma_mask = DMA_BIT_MASK(32);
> +	ret = dma_set_coherent_mask(dev, DMA_BIT_MASK(32));
> +	if (ret)
> +		goto err1;
>  
>  	platform_set_drvdata(pdev, exynos);
>  
> diff --git a/drivers/usb/gadget/lpc32xx_udc.c b/drivers/usb/gadget/lpc32xx_udc.c
> index 67128be..6a2a65a 100644
> --- a/drivers/usb/gadget/lpc32xx_udc.c
> +++ b/drivers/usb/gadget/lpc32xx_udc.c
> @@ -3078,7 +3078,9 @@ static int __init lpc32xx_udc_probe(struct platform_device *pdev)
>  		 udc->isp1301_i2c_client->addr);
>  
>  	pdev->dev.dma_mask = &lpc32xx_usbd_dmamask;
> -	pdev->dev.coherent_dma_mask = DMA_BIT_MASK(32);
> +	retval = dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(32));
> +	if (retval)
> +		goto resource_fail;
>  
>  	udc->board = &lpc32xx_usbddata;
>  

for dwc3 and drivers/usb/gadget:

Acked-by: Felipe Balbi <[email-masked]>

pretty cool work :-)

-- 
balbi
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