Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...

[firefly-linux-kernel-4.4.55.git] / drivers / usb / dwc3 / dwc3-exynos.c

diff --git a/drivers/usb/dwc3/dwc3-exynos.c b/drivers/usb/dwc3/dwc3-exynos.c
index a8afe6e2662186e50e45cf578d967c901c9a7456..8ce9d7fd6cfc30051462373d3c8d1f2b681dfcb3 100644 (file)
--- a/drivers/usb/dwc3/dwc3-exynos.c
+++ b/drivers/usb/dwc3/dwc3-exynos.c
@@ -95,8 +95,6 @@ static int dwc3_exynos_remove_child(struct device *dev, void *unused)
        return 0;
 }
 
-static u64 dwc3_exynos_dma_mask = DMA_BIT_MASK(32);
-
 static int dwc3_exynos_probe(struct platform_device *pdev)
 {
        struct dwc3_exynos      *exynos;
@@ -118,7 +116,9 @@ static int dwc3_exynos_probe(struct platform_device *pdev)
         * Once we move to full device tree support this will vanish off.
         */
        if (!dev->dma_mask)
-               dev->dma_mask = &dwc3_exynos_dma_mask;
+               dev->dma_mask = &dev->coherent_dma_mask;
+       if (!dev->coherent_dma_mask)
+               dev->coherent_dma_mask = DMA_BIT_MASK(32);
 
        platform_set_drvdata(pdev, exynos);
 
@@ -164,9 +164,9 @@ static int dwc3_exynos_remove(struct platform_device *pdev)
 {
        struct dwc3_exynos      *exynos = platform_get_drvdata(pdev);
 
+       device_for_each_child(&pdev->dev, NULL, dwc3_exynos_remove_child);
        platform_device_unregister(exynos->usb2_phy);
        platform_device_unregister(exynos->usb3_phy);
-       device_for_each_child(&pdev->dev, NULL, dwc3_exynos_remove_child);
 
        clk_disable_unprepare(exynos->clk);