From 19bacdc925055f020ad36da04bd72dc8b28637b8 Mon Sep 17 00:00:00 2001 From: Heikki Krogerus Date: Wed, 24 Sep 2014 11:00:38 +0300 Subject: [PATCH] usb: dwc3: core: only setting the dma_mask when needed If the probe drivers have already set the dma_mask, not replacing the value. Signed-off-by: Heikki Krogerus Signed-off-by: Felipe Balbi --- drivers/usb/dwc3/core.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c index ddfe7718e4a3..13843004815c 100644 --- a/drivers/usb/dwc3/core.c +++ b/drivers/usb/dwc3/core.c @@ -715,9 +715,11 @@ static int dwc3_probe(struct platform_device *pdev) spin_lock_init(&dwc->lock); platform_set_drvdata(pdev, dwc); - dev->dma_mask = dev->parent->dma_mask; - dev->dma_parms = dev->parent->dma_parms; - dma_set_coherent_mask(dev, dev->parent->coherent_dma_mask); + 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_enable(dev); pm_runtime_get_sync(dev); -- 2.30.2