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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2017-10-16 10:22:22 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2017-10-16 10:22:22 +0300
commit58f2c391cc0560231d7636c39d31b1b26c9396b7 (patch)
tree67956eea736a8763f67be8a52bcaf0d3fe4374f4 /drivers/usb/host/xhci-plat.c
parentc2e5df616e1ae6c2a074cb241ebb65a318ebaf7c (diff)
parent33d930e59a98fa10a0db9f56c7fa2f21a4aef9b9 (diff)
downloadlinux-58f2c391cc0560231d7636c39d31b1b26c9396b7.tar.xz
Merge 4.14-rc5 into char-misc-next
We need the fixes in here to resolve merge issues and for testing. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/host/xhci-plat.c')
-rw-r--r--drivers/usb/host/xhci-plat.c16
1 files changed, 10 insertions, 6 deletions
diff --git a/drivers/usb/host/xhci-plat.c b/drivers/usb/host/xhci-plat.c
index 163bafde709f..1cb6eaef4ae1 100644
--- a/drivers/usb/host/xhci-plat.c
+++ b/drivers/usb/host/xhci-plat.c
@@ -178,14 +178,18 @@ static int xhci_plat_probe(struct platform_device *pdev)
* 2. xhci_plat is child of a device from firmware (dwc3-plat)
* 3. xhci_plat is grandchild of a pci device (dwc3-pci)
*/
- sysdev = &pdev->dev;
- if (sysdev->parent && !sysdev->of_node && sysdev->parent->of_node)
- sysdev = sysdev->parent;
+ for (sysdev = &pdev->dev; sysdev; sysdev = sysdev->parent) {
+ if (is_of_node(sysdev->fwnode) ||
+ is_acpi_device_node(sysdev->fwnode))
+ break;
#ifdef CONFIG_PCI
- else if (sysdev->parent && sysdev->parent->parent &&
- sysdev->parent->parent->bus == &pci_bus_type)
- sysdev = sysdev->parent->parent;
+ else if (sysdev->bus == &pci_bus_type)
+ break;
#endif
+ }
+
+ if (!sysdev)
+ sysdev = &pdev->dev;
/* Try to set 64-bit DMA first */
if (WARN_ON(!sysdev->dma_mask))