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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2023-04-10 08:56:59 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2023-04-10 08:56:59 +0200
commit8e86652e3e7152bba80c3b4d03814e40ede1abc7 (patch)
tree1b31b94957fba52d8d223d03388b9afd8b522ad6 /drivers/usb/host/xhci.c
parent0246b15bbb43404d8d6f0ec86121c05515e0ed0b (diff)
parent09a9639e56c01c7a00d6c0ca63f4c7c41abe075d (diff)
Merge 6.3-rc6 into usb-next
We need the USB fixes in here for testing, and this resolves two merge conflicts, one pointed out by linux-next: drivers/usb/dwc3/dwc3-pci.c drivers/usb/host/xhci-pci.c Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/host/xhci.c')
-rw-r--r--drivers/usb/host/xhci.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index cc9fde8cba78..78790dc13c5f 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -9,6 +9,7 @@
*/
#include <linux/pci.h>
+#include <linux/iommu.h>
#include <linux/iopoll.h>
#include <linux/irq.h>
#include <linux/log2.h>
@@ -228,6 +229,7 @@ int xhci_reset(struct xhci_hcd *xhci, u64 timeout_us)
static void xhci_zero_64b_regs(struct xhci_hcd *xhci)
{
struct device *dev = xhci_to_hcd(xhci)->self.sysdev;
+ struct iommu_domain *domain;
int err, i;
u64 val;
u32 intrs;
@@ -246,7 +248,9 @@ 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) || !device_iommu_mapped(dev))
+ domain = iommu_get_domain_for_dev(dev);
+ if (!(xhci->quirks & XHCI_ZERO_64B_REGS) || !domain ||
+ domain->type == IOMMU_DOMAIN_IDENTITY)
return;
xhci_info(xhci, "Zeroing 64bit base registers, expecting fault\n");
@@ -4240,6 +4244,7 @@ static int __maybe_unused xhci_change_max_exit_latency(struct xhci_hcd *xhci,
if (!virt_dev || max_exit_latency == virt_dev->current_mel) {
spin_unlock_irqrestore(&xhci->lock, flags);
+ xhci_free_command(xhci, command);
return 0;
}