USB: gadget: Initialize ci13xxx gadget device's coherent DMA mask

dma_alloc_coherent() which is internally called by dma_pool_alloc()
flags a warning if device's coherent DMA mask.  Hence initialize
gadget device's coherent DMA mask to it's parent mask.

Signed-off-by: Pavankumar Kondeti <pkondeti@codeaurora.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/usb/gadget/ci13xxx_udc.c b/drivers/usb/gadget/ci13xxx_udc.c
index d19537a0613d3eb1b71bdb547fcbb71403984b2c..956fa64f1359732ae95fc9090309a1c1d6b7fbf1 100644 (file)
--- a/drivers/usb/gadget/ci13xxx_udc.c
+++ b/drivers/usb/gadget/ci13xxx_udc.c
@@ -2624,6 +2624,7 @@ static int udc_probe(struct device *dev, void __iomem *regs, const char *name)
 
        dev_set_name(&udc->gadget.dev, "gadget");
        udc->gadget.dev.dma_mask = dev->dma_mask;
+       udc->gadget.dev.coherent_dma_mask = dev->coherent_dma_mask;
        udc->gadget.dev.parent   = dev;
        udc->gadget.dev.release  = udc_release;