usb: chipidea: use bus->sysdev for DMA configuration

Set the dma for chipidea from sysdev. This is inherited from its
parent node. Also, do not set dma mask for child as it is not required
now.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Sriram Dash <sriram.dash@nxp.com>
Acked-by: Peter Chen <peter.chen@nxp.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Peter Chen <peter.chen@nxp.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 0 insertions, 3 deletions

diff --git a/drivers/usb/chipidea/core.c b/drivers/usb/chipidea/core.c
index 79ad8e91632e..b4a78b2df2ed 100644
--- a/drivers/usb/chipidea/core.c
+++ b/drivers/usb/chipidea/core.c
@@ -783,9 +783,6 @@ 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)