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authorJoerg Roedel <jroedel@suse.de>2018-11-30 13:16:38 +0100
committerJoerg Roedel <jroedel@suse.de>2018-12-17 12:47:36 +0100
commit05afde1a7ef3ddde5e7657b9faeb6347423a9acb (patch)
treefc9dc7eb67dfb020fc0c2056993e1e5e71d4828f /drivers/usb/host
parentbf8763d8f8376e98ea2a8e0fc4803f25ff91393e (diff)
downloadlinux-05afde1a7ef3ddde5e7657b9faeb6347423a9acb.tar.bz2
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>
Diffstat (limited to 'drivers/usb/host')
-rw-r--r--drivers/usb/host/xhci.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index 0420eefa647a..6216e8254128 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -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");