xhci: Use device_iommu_mapped()



Replace the dev->iommu_group check with a proper function
call that better reprensents its purpose.

Cc: Mathias Nyman <mathias.nyman@intel.com>
Acked-by: Robin Murphy <robin.murphy@arm.com>
Acked-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>

parent bf8763d8

drivers/usb/host/xhci.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -244,7 +244,7 @@ static void xhci_zero_64b_regs(struct xhci_hcd *xhci)
		* an iommu. Doing anything when there is no iommu is definitely
		* unsafe...
		*/
		if (!(xhci->quirks & XHCI_ZERO_64B_REGS) \|\| !dev->iommu_group)
		if (!(xhci->quirks & XHCI_ZERO_64B_REGS) \|\| !device_iommu_mapped(dev))
		return;

		xhci_info(xhci, "Zeroing 64bit base registers, expecting fault\n");