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xhci: Use device_iommu_mapped()

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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>
This commit is contained in:
Joerg Roedel 2018-11-30 13:16:38 +01:00
parent bf8763d8f8
commit 05afde1a7e
1 changed files with 1 additions and 1 deletions
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2
drivers/usb/host/xhci.c
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@ -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");