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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2022-06-27 10:03:28 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2022-06-27 10:03:28 +0200
commite6aa42f93751e4d9ac8505b7ac57acd5506bdec9 (patch)
tree3bdbb589c7e0abeb111cdd142f647fd21c762355 /drivers/usb/host
parent508aeb54e4f0225f4ff3da9b7ec8ac44ce30aad8 (diff)
parent03c765b0e3b4cb5063276b086c76f7a612856a9a (diff)
Merge 5.19-rc4 into usb-next
We need the USB fixes in here as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/host')
-rw-r--r--drivers/usb/host/xhci-hub.c2
-rw-r--r--drivers/usb/host/xhci-pci.c6
-rw-r--r--drivers/usb/host/xhci.c50
-rw-r--r--drivers/usb/host/xhci.h2
4 files changed, 43 insertions, 17 deletions
diff --git a/drivers/usb/host/xhci-hub.c b/drivers/usb/host/xhci-hub.c
index c54f2bc23d3f..0fdc014c9401 100644
--- a/drivers/usb/host/xhci-hub.c
+++ b/drivers/usb/host/xhci-hub.c
@@ -652,7 +652,7 @@ struct xhci_hub *xhci_get_rhub(struct usb_hcd *hcd)
* It will release and re-aquire the lock while calling ACPI
* method.
*/
-static void xhci_set_port_power(struct xhci_hcd *xhci, struct usb_hcd *hcd,
+void xhci_set_port_power(struct xhci_hcd *xhci, struct usb_hcd *hcd,
u16 index, bool on, unsigned long *flags)
__must_hold(&xhci->lock)
{
diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c
index fac9492a8bda..dce6c0ec8d34 100644
--- a/drivers/usb/host/xhci-pci.c
+++ b/drivers/usb/host/xhci-pci.c
@@ -61,6 +61,8 @@
#define PCI_DEVICE_ID_INTEL_ALDER_LAKE_XHCI 0x461e
#define PCI_DEVICE_ID_INTEL_ALDER_LAKE_N_XHCI 0x464e
#define PCI_DEVICE_ID_INTEL_ALDER_LAKE_PCH_XHCI 0x51ed
+#define PCI_DEVICE_ID_INTEL_RAPTOR_LAKE_XHCI 0xa71e
+#define PCI_DEVICE_ID_INTEL_METEOR_LAKE_XHCI 0x7ec0
#define PCI_DEVICE_ID_AMD_RENOIR_XHCI 0x1639
#define PCI_DEVICE_ID_AMD_PROMONTORYA_4 0x43b9
@@ -269,7 +271,9 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci)
pdev->device == PCI_DEVICE_ID_INTEL_MAPLE_RIDGE_XHCI ||
pdev->device == PCI_DEVICE_ID_INTEL_ALDER_LAKE_XHCI ||
pdev->device == PCI_DEVICE_ID_INTEL_ALDER_LAKE_N_XHCI ||
- pdev->device == PCI_DEVICE_ID_INTEL_ALDER_LAKE_PCH_XHCI))
+ pdev->device == PCI_DEVICE_ID_INTEL_ALDER_LAKE_PCH_XHCI ||
+ pdev->device == PCI_DEVICE_ID_INTEL_RAPTOR_LAKE_XHCI ||
+ pdev->device == PCI_DEVICE_ID_INTEL_METEOR_LAKE_XHCI))
xhci->quirks |= XHCI_DEFAULT_PM_RUNTIME_ALLOW;
if (pdev->vendor == PCI_VENDOR_ID_ETRON &&
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index 9ac56e9ffc64..65858f607437 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -611,15 +611,37 @@ static int xhci_init(struct usb_hcd *hcd)
static int xhci_run_finished(struct xhci_hcd *xhci)
{
+ unsigned long flags;
+ u32 temp;
+
+ /*
+ * Enable interrupts before starting the host (xhci 4.2 and 5.5.2).
+ * Protect the short window before host is running with a lock
+ */
+ spin_lock_irqsave(&xhci->lock, flags);
+
+ xhci_dbg_trace(xhci, trace_xhci_dbg_init, "Enable interrupts");
+ temp = readl(&xhci->op_regs->command);
+ temp |= (CMD_EIE);
+ writel(temp, &xhci->op_regs->command);
+
+ xhci_dbg_trace(xhci, trace_xhci_dbg_init, "Enable primary interrupter");
+ temp = readl(&xhci->ir_set->irq_pending);
+ writel(ER_IRQ_ENABLE(temp), &xhci->ir_set->irq_pending);
+
if (xhci_start(xhci)) {
xhci_halt(xhci);
+ spin_unlock_irqrestore(&xhci->lock, flags);
return -ENODEV;
}
+
xhci->cmd_ring_state = CMD_RING_STATE_RUNNING;
if (xhci->quirks & XHCI_NEC_HOST)
xhci_ring_cmd_db(xhci);
+ spin_unlock_irqrestore(&xhci->lock, flags);
+
return 0;
}
@@ -668,19 +690,6 @@ int xhci_run(struct usb_hcd *hcd)
temp |= (xhci->imod_interval / 250) & ER_IRQ_INTERVAL_MASK;
writel(temp, &xhci->ir_set->irq_control);
- /* Set the HCD state before we enable the irqs */
- temp = readl(&xhci->op_regs->command);
- temp |= (CMD_EIE);
- xhci_dbg_trace(xhci, trace_xhci_dbg_init,
- "// Enable interrupts, cmd = 0x%x.", temp);
- writel(temp, &xhci->op_regs->command);
-
- temp = readl(&xhci->ir_set->irq_pending);
- xhci_dbg_trace(xhci, trace_xhci_dbg_init,
- "// Enabling event ring interrupter %p by writing 0x%x to irq_pending",
- xhci->ir_set, (unsigned int) ER_IRQ_ENABLE(temp));
- writel(ER_IRQ_ENABLE(temp), &xhci->ir_set->irq_pending);
-
if (xhci->quirks & XHCI_NEC_HOST) {
struct xhci_command *command;
@@ -782,6 +791,8 @@ static void xhci_stop(struct usb_hcd *hcd)
void xhci_shutdown(struct usb_hcd *hcd)
{
struct xhci_hcd *xhci = hcd_to_xhci(hcd);
+ unsigned long flags;
+ int i;
if (xhci->quirks & XHCI_SPURIOUS_REBOOT)
usb_disable_xhci_ports(to_pci_dev(hcd->self.sysdev));
@@ -797,12 +808,21 @@ void xhci_shutdown(struct usb_hcd *hcd)
del_timer_sync(&xhci->shared_hcd->rh_timer);
}
- spin_lock_irq(&xhci->lock);
+ spin_lock_irqsave(&xhci->lock, flags);
xhci_halt(xhci);
+
+ /* Power off USB2 ports*/
+ for (i = 0; i < xhci->usb2_rhub.num_ports; i++)
+ xhci_set_port_power(xhci, xhci->main_hcd, i, false, &flags);
+
+ /* Power off USB3 ports*/
+ for (i = 0; i < xhci->usb3_rhub.num_ports; i++)
+ xhci_set_port_power(xhci, xhci->shared_hcd, i, false, &flags);
+
/* Workaround for spurious wakeups at shutdown with HSW */
if (xhci->quirks & XHCI_SPURIOUS_WAKEUP)
xhci_reset(xhci, XHCI_RESET_SHORT_USEC);
- spin_unlock_irq(&xhci->lock);
+ spin_unlock_irqrestore(&xhci->lock, flags);
xhci_cleanup_msix(xhci);
diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h
index 0bd76c94a4b1..28aaf031f9a8 100644
--- a/drivers/usb/host/xhci.h
+++ b/drivers/usb/host/xhci.h
@@ -2196,6 +2196,8 @@ int xhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue, u16 wIndex,
int xhci_hub_status_data(struct usb_hcd *hcd, char *buf);
int xhci_find_raw_port_number(struct usb_hcd *hcd, int port1);
struct xhci_hub *xhci_get_rhub(struct usb_hcd *hcd);
+void xhci_set_port_power(struct xhci_hcd *xhci, struct usb_hcd *hcd, u16 index,
+ bool on, unsigned long *flags);
void xhci_hc_died(struct xhci_hcd *xhci);