mfd: Remove omap-usb-host magic numbers for dev dma mask

Govindraj.R · Samuel Ortiz · commit cbb8c220e70d · 2012-03-06T18:46:45.000+01:00
Remove the hardcoded magic values for dma mask and use the dma
mask api/macro available.

Signed-off-by: Govindraj.R &lt;govindraj.raja@ti.com&gt;
Reviewed-by: Felipe Balbi &lt;balbi@ti.com&gt;
Signed-off-by: Samuel Ortiz &lt;sameo@linux.intel.com&gt;
diff --git a/drivers/mfd/omap-usb-host.c b/drivers/mfd/omap-usb-host.c
@@ -170,7 +170,7 @@ struct usbhs_hcd_omap {
 /*-------------------------------------------------------------------------*/
 
 const char usbhs_driver_name[] = USBHS_DRIVER_NAME;
-static u64 usbhs_dmamask = ~(u32)0;
+static u64 usbhs_dmamask = DMA_BIT_MASK(32);
 
 /*-------------------------------------------------------------------------*/
 
@@ -223,7 +223,7 @@ static struct platform_device *omap_usbhs_alloc_child(const char *name,
 	}
 
 	child->dev.dma_mask		= &usbhs_dmamask;
-	child->dev.coherent_dma_mask	= 0xffffffff;
+	dma_set_coherent_mask(&child->dev, DMA_BIT_MASK(32));
 	child->dev.parent		= dev;
 
 	ret = platform_device_add(child);
