[PATCH 2/3] Display a DMA error message

[Jeremy Linton]

If the ehci driver fails to configure the dma settings then display
a dev error instead of simply failing. This is triggered in an
ACPI world if the user fails to set the _CCA on the device.

Signed-off-by: Jeremy Linton <jeremy.linton at arm.com>
---
 drivers/usb/host/ehci-platform.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/usb/host/ehci-platform.c b/drivers/usb/host/ehci-platform.c
index 2593def..82e396f 100644
--- a/drivers/usb/host/ehci-platform.c
+++ b/drivers/usb/host/ehci-platform.c
@@ -162,8 +162,10 @@ static int ehci_platform_probe(struct platform_device *dev)
 
 	err = dma_coerce_mask_and_coherent(&dev->dev,
 		pdata->dma_mask_64 ? DMA_BIT_MASK(64) : DMA_BIT_MASK(32));
-	if (err)
+	if (err) {
+		dev_err(&dev->dev, "Error: DMA setup failed\n");
 		return err;
+	}
 
 	irq = platform_get_irq(dev, 0);
 	if (irq < 0) {
-- 
2.4.3