On 11.12.2018 15:43, Joerg Roedel wrote:
From: Joerg Roedel <jroedel@xxxxxxx>
Replace the dev->iommu_group check with a proper function
call that better reprensents its purpose.
Cc: Mathias Nyman <mathias.nyman@xxxxxxxxx>
Acked-by: Robin Murphy <robin.murphy@xxxxxxx>
Signed-off-by: Joerg Roedel <jroedel@xxxxxxx>
---
drivers/usb/host/xhci.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index dae3be1b9c8f..8eacd2ed412b 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");
Acked-by: Mathias Nyman <mathias.nyman@xxxxxxxxxxxxxxx>
