dma_get_mask(dev) just returns
dev->dma_mask. Current code was using dma_get_mask()
return to initialize dev->dma_mask. That's
essentially a no-op. Instead, let's default to a
32-bit DMA mask passed to
dma_coerce_mask_and_coherent().
Signed-off-by: Felipe Balbi <felipe.balbi@xxxxxxxxxxxxxxx>
---
drivers/usb/dwc3/dwc3-keystone.c | 5 +----
1 file changed, 1 insertion(+), 4 deletions(-)
diff --git a/drivers/usb/dwc3/dwc3-keystone.c b/drivers/usb/dwc3/dwc3-keystone.c
index 2be268d2423d..53bbc9dccf7e 100644
--- a/drivers/usb/dwc3/dwc3-keystone.c
+++ b/drivers/usb/dwc3/dwc3-keystone.c
@@ -39,8 +39,6 @@
#define USBSS_IRQ_COREIRQ_EN BIT(0)
#define USBSS_IRQ_COREIRQ_CLR BIT(0)
-static u64 kdwc3_dma_mask;
-
struct dwc3_keystone {
struct device *dev;
struct clk *clk;
@@ -108,8 +106,7 @@ static int kdwc3_probe(struct platform_device *pdev)
if (IS_ERR(kdwc->usbss))
return PTR_ERR(kdwc->usbss);
- kdwc3_dma_mask = dma_get_mask(dev);
- dev->dma_mask = &kdwc3_dma_mask;
+ dma_coerce_mask_and_coherent(dev, DMA_BIT_MASK(32));
kdwc->clk = devm_clk_get(kdwc->dev, "usb");
--
2.7.0
--
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