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-rw-r--r--drivers/usb/host/Kconfig2
-rw-r--r--drivers/usb/host/ehci-pmcmsp.c40
-rw-r--r--drivers/usb/host/pci-quirks.c19
-rw-r--r--drivers/usb/host/xhci-hub.c7
-rw-r--r--drivers/usb/host/xhci-ring.c9
-rw-r--r--drivers/usb/host/xhci.c10
6 files changed, 35 insertions, 52 deletions
diff --git a/drivers/usb/host/Kconfig b/drivers/usb/host/Kconfig
index 61b7817bd66..03314f861be 100644
--- a/drivers/usb/host/Kconfig
+++ b/drivers/usb/host/Kconfig
@@ -176,7 +176,7 @@ config USB_EHCI_HCD_AT91
config USB_EHCI_MSM
tristate "Support for Qualcomm QSD/MSM on-chip EHCI USB controller"
- depends on ARCH_MSM
+ depends on ARCH_MSM || ARCH_QCOM
select USB_EHCI_ROOT_HUB_TT
---help---
Enables support for the USB Host controller present on the
diff --git a/drivers/usb/host/ehci-pmcmsp.c b/drivers/usb/host/ehci-pmcmsp.c
index af3974a5e7c..7d75465d97c 100644
--- a/drivers/usb/host/ehci-pmcmsp.c
+++ b/drivers/usb/host/ehci-pmcmsp.c
@@ -68,9 +68,6 @@ static void usb_hcd_tdi_set_mode(struct ehci_hcd *ehci)
/* set TWI GPIO USB_HOST_DEV pin high */
gpio_direction_output(MSP_PIN_USB0_HOST_DEV, 1);
-#ifdef CONFIG_MSP_HAS_DUAL_USB
- gpio_direction_output(MSP_PIN_USB1_HOST_DEV, 1);
-#endif
}
/* called during probe() after chip reset completes */
@@ -248,33 +245,6 @@ void usb_hcd_msp_remove(struct usb_hcd *hcd, struct platform_device *dev)
usb_put_hcd(hcd);
}
-#ifdef CONFIG_MSP_HAS_DUAL_USB
-/*
- * Wrapper around the main ehci_irq. Since both USB host controllers are
- * sharing the same IRQ, need to first determine whether we're the intended
- * recipient of this interrupt.
- */
-static irqreturn_t ehci_msp_irq(struct usb_hcd *hcd)
-{
- u32 int_src;
- struct device *dev = hcd->self.controller;
- struct platform_device *pdev;
- struct mspusb_device *mdev;
- struct ehci_hcd *ehci = hcd_to_ehci(hcd);
- /* need to reverse-map a couple of containers to get our device */
- pdev = to_platform_device(dev);
- mdev = to_mspusb_device(pdev);
-
- /* Check to see if this interrupt is for this host controller */
- int_src = ehci_readl(ehci, &mdev->mab_regs->int_stat);
- if (int_src & (1 << pdev->id))
- return ehci_irq(hcd);
-
- /* Not for this device */
- return IRQ_NONE;
-}
-#endif /* DUAL_USB */
-
static const struct hc_driver ehci_msp_hc_driver = {
.description = hcd_name,
.product_desc = "PMC MSP EHCI",
@@ -283,11 +253,7 @@ static const struct hc_driver ehci_msp_hc_driver = {
/*
* generic hardware linkage
*/
-#ifdef CONFIG_MSP_HAS_DUAL_USB
- .irq = ehci_msp_irq,
-#else
.irq = ehci_irq,
-#endif
.flags = HCD_MEMORY | HCD_USB2 | HCD_BH,
/*
@@ -334,9 +300,6 @@ static int ehci_hcd_msp_drv_probe(struct platform_device *pdev)
return -ENODEV;
gpio_request(MSP_PIN_USB0_HOST_DEV, "USB0_HOST_DEV_GPIO");
-#ifdef CONFIG_MSP_HAS_DUAL_USB
- gpio_request(MSP_PIN_USB1_HOST_DEV, "USB1_HOST_DEV_GPIO");
-#endif
ret = usb_hcd_msp_probe(&ehci_msp_hc_driver, pdev);
@@ -351,9 +314,6 @@ static int ehci_hcd_msp_drv_remove(struct platform_device *pdev)
/* free TWI GPIO USB_HOST_DEV pin */
gpio_free(MSP_PIN_USB0_HOST_DEV);
-#ifdef CONFIG_MSP_HAS_DUAL_USB
- gpio_free(MSP_PIN_USB1_HOST_DEV);
-#endif
return 0;
}
diff --git a/drivers/usb/host/pci-quirks.c b/drivers/usb/host/pci-quirks.c
index 4a6d3dd6857..2f3acebb577 100644
--- a/drivers/usb/host/pci-quirks.c
+++ b/drivers/usb/host/pci-quirks.c
@@ -656,6 +656,14 @@ static const struct dmi_system_id ehci_dmi_nohandoff_table[] = {
DMI_MATCH(DMI_BIOS_VERSION, "Lucid-"),
},
},
+ {
+ /* HASEE E200 */
+ .matches = {
+ DMI_MATCH(DMI_BOARD_VENDOR, "HASEE"),
+ DMI_MATCH(DMI_BOARD_NAME, "E210"),
+ DMI_MATCH(DMI_BIOS_VERSION, "6.00"),
+ },
+ },
{ }
};
@@ -665,9 +673,14 @@ static void ehci_bios_handoff(struct pci_dev *pdev,
{
int try_handoff = 1, tried_handoff = 0;
- /* The Pegatron Lucid tablet sporadically waits for 98 seconds trying
- * the handoff on its unused controller. Skip it. */
- if (pdev->vendor == 0x8086 && pdev->device == 0x283a) {
+ /*
+ * The Pegatron Lucid tablet sporadically waits for 98 seconds trying
+ * the handoff on its unused controller. Skip it.
+ *
+ * The HASEE E200 hangs when the semaphore is set (bugzilla #77021).
+ */
+ if (pdev->vendor == 0x8086 && (pdev->device == 0x283a ||
+ pdev->device == 0x27cc)) {
if (dmi_check_system(ehci_dmi_nohandoff_table))
try_handoff = 0;
}
diff --git a/drivers/usb/host/xhci-hub.c b/drivers/usb/host/xhci-hub.c
index 6231ce6aa0c..aa79e874904 100644
--- a/drivers/usb/host/xhci-hub.c
+++ b/drivers/usb/host/xhci-hub.c
@@ -22,6 +22,7 @@
#include <linux/slab.h>
+#include <linux/device.h>
#include <asm/unaligned.h>
#include "xhci.h"
@@ -287,7 +288,7 @@ static int xhci_stop_device(struct xhci_hcd *xhci, int slot_id, int suspend)
if (virt_dev->eps[i].ring && virt_dev->eps[i].ring->dequeue) {
struct xhci_command *command;
command = xhci_alloc_command(xhci, false, false,
- GFP_NOIO);
+ GFP_NOWAIT);
if (!command) {
spin_unlock_irqrestore(&xhci->lock, flags);
xhci_free_command(xhci, cmd);
@@ -1139,7 +1140,9 @@ int xhci_bus_suspend(struct usb_hcd *hcd)
* including the USB 3.0 roothub, but only if CONFIG_PM_RUNTIME
* is enabled, so also enable remote wake here.
*/
- if (hcd->self.root_hub->do_remote_wakeup) {
+ if (hcd->self.root_hub->do_remote_wakeup
+ && device_may_wakeup(hcd->self.controller)) {
+
if (t1 & PORT_CONNECT) {
t2 |= PORT_WKOC_E | PORT_WKDISC_E;
t2 &= ~PORT_WKCONN_E;
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index d67ff71209f..749fc68eb5c 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -1433,8 +1433,11 @@ static void handle_cmd_completion(struct xhci_hcd *xhci,
xhci_handle_cmd_reset_ep(xhci, slot_id, cmd_trb, cmd_comp_code);
break;
case TRB_RESET_DEV:
- WARN_ON(slot_id != TRB_TO_SLOT_ID(
- le32_to_cpu(cmd_trb->generic.field[3])));
+ /* SLOT_ID field in reset device cmd completion event TRB is 0.
+ * Use the SLOT_ID from the command TRB instead (xhci 4.6.11)
+ */
+ slot_id = TRB_TO_SLOT_ID(
+ le32_to_cpu(cmd_trb->generic.field[3]));
xhci_handle_cmd_reset_dev(xhci, slot_id, event);
break;
case TRB_NEC_GET_FW:
@@ -3534,7 +3537,7 @@ static unsigned int xhci_get_burst_count(struct xhci_hcd *xhci,
return 0;
max_burst = urb->ep->ss_ep_comp.bMaxBurst;
- return roundup(total_packet_count, max_burst + 1) - 1;
+ return DIV_ROUND_UP(total_packet_count, max_burst + 1) - 1;
}
/*
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index 2b8d9a24af0..7436d5f5e67 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -936,7 +936,7 @@ int xhci_suspend(struct xhci_hcd *xhci)
*/
int xhci_resume(struct xhci_hcd *xhci, bool hibernated)
{
- u32 command, temp = 0;
+ u32 command, temp = 0, status;
struct usb_hcd *hcd = xhci_to_hcd(xhci);
struct usb_hcd *secondary_hcd;
int retval = 0;
@@ -1054,8 +1054,12 @@ int xhci_resume(struct xhci_hcd *xhci, bool hibernated)
done:
if (retval == 0) {
- usb_hcd_resume_root_hub(hcd);
- usb_hcd_resume_root_hub(xhci->shared_hcd);
+ /* Resume root hubs only when have pending events. */
+ status = readl(&xhci->op_regs->status);
+ if (status & STS_EINT) {
+ usb_hcd_resume_root_hub(hcd);
+ usb_hcd_resume_root_hub(xhci->shared_hcd);
+ }
}
/*
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-12-13 07:37:35 +0000