Merge tag 'v6.2-rc7' into media_tree

Linux 6.2-rc7

* tag 'v6.2-rc7': (1549 commits)
  Linux 6.2-rc7
  fbcon: Check font dimension limits
  efi: fix potential NULL deref in efi_mem_reserve_persistent
  kernel/irq/irqdomain.c: fix memory leak with using debugfs_lookup()
  HV: hv_balloon: fix memory leak with using debugfs_lookup()
  mtk_sgmii: enable PCS polling to allow SFP work
  net: mediatek: sgmii: fix duplex configuration
  net: mediatek: sgmii: ensure the SGMII PHY is powered down on configuration
  MAINTAINERS: update SCTP maintainers
  MAINTAINERS: ipv6: retire Hideaki Yoshifuji
  mailmap: add John Crispin's entry
  MAINTAINERS: bonding: move Veaceslav Falico to CREDITS
  net: openvswitch: fix flow memory leak in ovs_flow_cmd_new
  net: ethernet: mtk_eth_soc: disable hardware DSA untagging for second MAC
  virtio-net: Keep stop() to follow mirror sequence of open()
  efi: Accept version 2 of memory attributes table
  ceph: blocklist the kclient when receiving corrupted snap trace
  ceph: move mount state enum to super.h
  selftests: net: udpgso_bench_tx: Cater for pending datagrams zerocopy benchmarking
  selftests: net: udpgso_bench: Fix racing bug between the rx/tx programs
  ...

1 files changed, 45 insertions, 0 deletions

diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c
index 79d679b3e076..fb988e4ea924 100644
--- a/drivers/usb/host/xhci-pci.c
+++ b/drivers/usb/host/xhci-pci.c
@@ -78,9 +78,12 @@ static const char hcd_name[] = "xhci_hcd";
 static struct hc_driver __read_mostly xhci_pci_hc_driver;
 
 static int xhci_pci_setup(struct usb_hcd *hcd);
+static int xhci_pci_update_hub_device(struct usb_hcd *hcd, struct usb_device *hdev,
+				      struct usb_tt *tt, gfp_t mem_flags);
 
 static const struct xhci_driver_overrides xhci_pci_overrides __initconst = {
 	.reset = xhci_pci_setup,
+	.update_hub_device = xhci_pci_update_hub_device,
 };
 
 /* called after powerup, by probe or system-pm "wakeup" */
@@ -352,8 +355,38 @@ static void xhci_pme_acpi_rtd3_enable(struct pci_dev *dev)
 				NULL);
 	ACPI_FREE(obj);
 }
+
+static void xhci_find_lpm_incapable_ports(struct usb_hcd *hcd, struct usb_device *hdev)
+{
+	struct xhci_hcd	*xhci = hcd_to_xhci(hcd);
+	struct xhci_hub *rhub = &xhci->usb3_rhub;
+	int ret;
+	int i;
+
+	/* This is not the usb3 roothub we are looking for */
+	if (hcd != rhub->hcd)
+		return;
+
+	if (hdev->maxchild > rhub->num_ports) {
+		dev_err(&hdev->dev, "USB3 roothub port number mismatch\n");
+		return;
+	}
+
+	for (i = 0; i < hdev->maxchild; i++) {
+		ret = usb_acpi_port_lpm_incapable(hdev, i);
+
+		dev_dbg(&hdev->dev, "port-%d disable U1/U2 _DSM: %d\n", i + 1, ret);
+
+		if (ret >= 0) {
+			rhub->ports[i]->lpm_incapable = ret;
+			continue;
+		}
+	}
+}
+
 #else
 static void xhci_pme_acpi_rtd3_enable(struct pci_dev *dev) { }
+static void xhci_find_lpm_incapable_ports(struct usb_hcd *hcd, struct usb_device *hdev) { }
 #endif /* CONFIG_ACPI */
 
 /* called during probe() after chip reset completes */
@@ -386,6 +419,16 @@ static int xhci_pci_setup(struct usb_hcd *hcd)
 	return xhci_pci_reinit(xhci, pdev);
 }
 
+static int xhci_pci_update_hub_device(struct usb_hcd *hcd, struct usb_device *hdev,
+				      struct usb_tt *tt, gfp_t mem_flags)
+{
+	/* Check if acpi claims some USB3 roothub ports are lpm incapable */
+	if (!hdev->parent)
+		xhci_find_lpm_incapable_ports(hcd, hdev);
+
+	return xhci_update_hub_device(hcd, hdev, tt, mem_flags);
+}
+
 /*
  * We need to register our own PCI probe function (instead of the USB core's
  * function) in order to create a second roothub under xHCI.
@@ -455,6 +498,8 @@ static int xhci_pci_probe(struct pci_dev *dev, const struct pci_device_id *id)
 	if (xhci->quirks & XHCI_DEFAULT_PM_RUNTIME_ALLOW)
 		pm_runtime_allow(&dev->dev);
 
+	dma_set_max_seg_size(&dev->dev, UINT_MAX);
+
 	return 0;
 
 put_usb3_hcd: