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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 <heikki.krogerus@linux.intel.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
This commit is contained in:
Heikki Krogerus 2014-09-24 11:00:38 +03:00 committed by Felipe Balbi
parent dab716cd9a
commit 19bacdc925
1 changed files with 5 additions and 3 deletions
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8
drivers/usb/dwc3/core.c
View File

@ -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);