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usb: dwc3: use bus->sysdev for DMA configuration

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The dma ops for dwc3 devices are not set properly. So, use a
physical device sysdev, which will be inherited from parent,
to set the hardware / firmware parameters like dma.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Sriram Dash <sriram.dash@nxp.com>
Tested-by: Baolin Wang <baolin.wang@linaro.org>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
This commit is contained in:
Arnd Bergmann
2016-11-17 17:13:47 +05:30
committed by Felipe Balbi
parent 1c404b51a0
commit d64ff406e5
6 changed files with 54 additions and 43 deletions
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10
drivers/usb/dwc3/dwc3-pci.c
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@@ -73,6 +73,16 @@ static int dwc3_pci_quirks(struct dwc3_pci *dwc)
{
struct platform_device *dwc3 = dwc->dwc3;
struct pci_dev *pdev = dwc->pci;
int ret;
struct property_entry sysdev_property[] = {
PROPERTY_ENTRY_BOOL("linux,sysdev_is_parent"),
{ },
};
ret = platform_device_add_properties(dwc3, sysdev_property);
if (ret)
return ret;
if (pdev->vendor == PCI_VENDOR_ID_AMD &&
pdev->device == PCI_DEVICE_ID_AMD_NL_USB) {