From: Joerg Roedel Subject: [PATCH 5/5] xhci: Use device_iommu_mapped() Date: Tue, 4 Dec 2018 18:25:04 +0100 Message-ID: <20181204172504.19708-6-joro@8bytes.org> References: <20181204172504.19708-1-joro@8bytes.org> Return-path: In-Reply-To: <20181204172504.19708-1-joro@8bytes.org> Sender: linux-kernel-owner@vger.kernel.org To: iommu@lists.linux-foundation.org, Greg Kroah-Hartman Cc: linux-kernel@vger.kernel.org, Joerg Roedel , Mathias Nyman List-Id: iommu@lists.linux-foundation.org From: Joerg Roedel Replace the dev->iommu_group check with a proper function call that better reprensents its purpose. Cc: Mathias Nyman Signed-off-by: Joerg Roedel --- 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 c928dbbff881..5ab97e54d070 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"); -- 2.17.1