[PATCH 2/3] usb: dwc3: host: Do not use dma_set_coherent_mask

[Sriram Dash]

Do not require dma_set_coherent_mask for hcd

Signed-off-by: Arnd Bergmann <a...@arndb.de>
---
 drivers/usb/chipidea/core.c | 3 ---
 drivers/usb/dwc3/core.c     | 6 ------
 drivers/usb/dwc3/dwc3-st.c  | 1 -
 drivers/usb/dwc3/host.c     | 4 ----
 4 files changed, 14 deletions(-)

diff --git a/drivers/usb/chipidea/core.c b/drivers/usb/chipidea/core.c
index 69426e6..8917a03 100644
--- a/drivers/usb/chipidea/core.c
+++ b/drivers/usb/chipidea/core.c
@@ -833,9 +833,6 @@ struct platform_device *ci_hdrc_add_device(struct device 
*dev,
        }
 
        pdev->dev.parent = dev;
-       pdev->dev.dma_mask = dev->dma_mask;
-       pdev->dev.dma_parms = dev->dma_parms;
-       dma_set_coherent_mask(&pdev->dev, dev->coherent_dma_mask);
 
        ret = platform_device_add_resources(pdev, res, nres);
        if (ret)
diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c
index e0f64ef..0af0dc0 100644
--- a/drivers/usb/dwc3/core.c
+++ b/drivers/usb/dwc3/core.c
@@ -1059,12 +1059,6 @@ static int dwc3_probe(struct platform_device *pdev)
 
        spin_lock_init(&dwc->lock);
 
-       if (!dev->dma_mask) {
-               dev->dma_mask = dev->parent->dma_mask;
-               dev->dma_parms = dev->parent->dma_parms;
-               dma_set_coherent_mask(dev, dev->parent->coherent_dma_mask);
-       }
-
        pm_runtime_set_active(dev);
        pm_runtime_use_autosuspend(dev);
        pm_runtime_set_autosuspend_delay(dev, DWC3_DEFAULT_AUTOSUSPEND_DELAY);
diff --git a/drivers/usb/dwc3/dwc3-st.c b/drivers/usb/dwc3/dwc3-st.c
index 89a2f71..4d7439c 100644
--- a/drivers/usb/dwc3/dwc3-st.c
+++ b/drivers/usb/dwc3/dwc3-st.c
@@ -218,7 +218,6 @@ static int st_dwc3_probe(struct platform_device *pdev)
        if (IS_ERR(regmap))
                return PTR_ERR(regmap);
 
-       dma_set_coherent_mask(dev, dev->coherent_dma_mask);
        dwc3_data->dev = dev;
        dwc3_data->regmap = regmap;
 
diff --git a/drivers/usb/dwc3/host.c b/drivers/usb/dwc3/host.c
index bb83eee..045ec27 100644
--- a/drivers/usb/dwc3/host.c
+++ b/drivers/usb/dwc3/host.c
@@ -72,11 +72,7 @@ int dwc3_host_init(struct dwc3 *dwc)
                return -ENOMEM;
        }
 
-       dma_set_coherent_mask(&xhci->dev, dwc->dev->coherent_dma_mask);
-
        xhci->dev.parent        = dwc->dev;
-       xhci->dev.dma_mask      = dwc->dev->dma_mask;
-       xhci->dev.dma_parms     = dwc->dev->dma_parms;
 
        dwc->xhci = xhci;
 
-- 
2.1.0