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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2025-08-28 17:34:51 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2025-08-28 17:34:51 +0300
commit2957975756291d8dbf4f744dbe68278f319b7de7 (patch)
tree168367a320bd8d715cea89f6053b14f87bc7735b /drivers/usb/dwc3
parentbad0d7a6a7d61f129b9ebffc43acd2056bfb4def (diff)
parentbe15dab9a451155bdf3f5278608fe8dc67e07cc1 (diff)
downloadlinux-rolling-stable.tar.xz
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/dwc3')
-rw-r--r--drivers/usb/dwc3/dwc3-imx8mp.c7
-rw-r--r--drivers/usb/dwc3/dwc3-meson-g12a.c3
-rw-r--r--drivers/usb/dwc3/dwc3-pci.c2
-rw-r--r--drivers/usb/dwc3/ep0.c20
-rw-r--r--drivers/usb/dwc3/gadget.c19
5 files changed, 44 insertions, 7 deletions
diff --git a/drivers/usb/dwc3/dwc3-imx8mp.c b/drivers/usb/dwc3/dwc3-imx8mp.c
index 3edc5aca76f9..bce6af82f54c 100644
--- a/drivers/usb/dwc3/dwc3-imx8mp.c
+++ b/drivers/usb/dwc3/dwc3-imx8mp.c
@@ -244,7 +244,7 @@ static int dwc3_imx8mp_probe(struct platform_device *pdev)
IRQF_ONESHOT, dev_name(dev), dwc3_imx);
if (err) {
dev_err(dev, "failed to request IRQ #%d --> %d\n", irq, err);
- goto depopulate;
+ goto put_dwc3;
}
device_set_wakeup_capable(dev, true);
@@ -252,6 +252,8 @@ static int dwc3_imx8mp_probe(struct platform_device *pdev)
return 0;
+put_dwc3:
+ put_device(&dwc3_imx->dwc3->dev);
depopulate:
of_platform_depopulate(dev);
remove_swnode:
@@ -265,8 +267,11 @@ disable_rpm:
static void dwc3_imx8mp_remove(struct platform_device *pdev)
{
+ struct dwc3_imx8mp *dwc3_imx = platform_get_drvdata(pdev);
struct device *dev = &pdev->dev;
+ put_device(&dwc3_imx->dwc3->dev);
+
pm_runtime_get_sync(dev);
of_platform_depopulate(dev);
device_remove_software_node(dev);
diff --git a/drivers/usb/dwc3/dwc3-meson-g12a.c b/drivers/usb/dwc3/dwc3-meson-g12a.c
index 7d80bf7b18b0..55e144ba8cfc 100644
--- a/drivers/usb/dwc3/dwc3-meson-g12a.c
+++ b/drivers/usb/dwc3/dwc3-meson-g12a.c
@@ -837,6 +837,9 @@ static void dwc3_meson_g12a_remove(struct platform_device *pdev)
usb_role_switch_unregister(priv->role_switch);
+ put_device(priv->switch_desc.udc);
+ put_device(priv->switch_desc.usb2_port);
+
of_platform_depopulate(dev);
for (i = 0 ; i < PHY_COUNT ; ++i) {
diff --git a/drivers/usb/dwc3/dwc3-pci.c b/drivers/usb/dwc3/dwc3-pci.c
index 54a4ee2b90b7..39c72cb52ce7 100644
--- a/drivers/usb/dwc3/dwc3-pci.c
+++ b/drivers/usb/dwc3/dwc3-pci.c
@@ -41,6 +41,7 @@
#define PCI_DEVICE_ID_INTEL_TGPLP 0xa0ee
#define PCI_DEVICE_ID_INTEL_TGPH 0x43ee
#define PCI_DEVICE_ID_INTEL_JSP 0x4dee
+#define PCI_DEVICE_ID_INTEL_WCL 0x4d7e
#define PCI_DEVICE_ID_INTEL_ADL 0x460e
#define PCI_DEVICE_ID_INTEL_ADL_PCH 0x51ee
#define PCI_DEVICE_ID_INTEL_ADLN 0x465e
@@ -431,6 +432,7 @@ static const struct pci_device_id dwc3_pci_id_table[] = {
{ PCI_DEVICE_DATA(INTEL, TGPLP, &dwc3_pci_intel_swnode) },
{ PCI_DEVICE_DATA(INTEL, TGPH, &dwc3_pci_intel_swnode) },
{ PCI_DEVICE_DATA(INTEL, JSP, &dwc3_pci_intel_swnode) },
+ { PCI_DEVICE_DATA(INTEL, WCL, &dwc3_pci_intel_swnode) },
{ PCI_DEVICE_DATA(INTEL, ADL, &dwc3_pci_intel_swnode) },
{ PCI_DEVICE_DATA(INTEL, ADL_PCH, &dwc3_pci_intel_swnode) },
{ PCI_DEVICE_DATA(INTEL, ADLN, &dwc3_pci_intel_swnode) },
diff --git a/drivers/usb/dwc3/ep0.c b/drivers/usb/dwc3/ep0.c
index 666ac432f52d..b4229aa13f37 100644
--- a/drivers/usb/dwc3/ep0.c
+++ b/drivers/usb/dwc3/ep0.c
@@ -288,7 +288,9 @@ void dwc3_ep0_out_start(struct dwc3 *dwc)
dwc3_ep0_prepare_one_trb(dep, dwc->ep0_trb_addr, 8,
DWC3_TRBCTL_CONTROL_SETUP, false);
ret = dwc3_ep0_start_trans(dep);
- WARN_ON(ret < 0);
+ if (ret < 0)
+ dev_err(dwc->dev, "ep0 out start transfer failed: %d\n", ret);
+
for (i = 2; i < DWC3_ENDPOINTS_NUM; i++) {
struct dwc3_ep *dwc3_ep;
@@ -1061,7 +1063,9 @@ static void __dwc3_ep0_do_control_data(struct dwc3 *dwc,
ret = dwc3_ep0_start_trans(dep);
}
- WARN_ON(ret < 0);
+ if (ret < 0)
+ dev_err(dwc->dev,
+ "ep0 data phase start transfer failed: %d\n", ret);
}
static int dwc3_ep0_start_control_status(struct dwc3_ep *dep)
@@ -1078,7 +1082,12 @@ static int dwc3_ep0_start_control_status(struct dwc3_ep *dep)
static void __dwc3_ep0_do_control_status(struct dwc3 *dwc, struct dwc3_ep *dep)
{
- WARN_ON(dwc3_ep0_start_control_status(dep));
+ int ret;
+
+ ret = dwc3_ep0_start_control_status(dep);
+ if (ret)
+ dev_err(dwc->dev,
+ "ep0 status phase start transfer failed: %d\n", ret);
}
static void dwc3_ep0_do_control_status(struct dwc3 *dwc,
@@ -1121,7 +1130,10 @@ void dwc3_ep0_end_control_data(struct dwc3 *dwc, struct dwc3_ep *dep)
cmd |= DWC3_DEPCMD_PARAM(dep->resource_index);
memset(&params, 0, sizeof(params));
ret = dwc3_send_gadget_ep_cmd(dep, cmd, &params);
- WARN_ON_ONCE(ret);
+ if (ret)
+ dev_err_ratelimited(dwc->dev,
+ "ep0 data phase end transfer failed: %d\n", ret);
+
dep->resource_index = 0;
}
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index 74968f93d4a3..6ab6c9f163b8 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -1774,7 +1774,11 @@ static int __dwc3_stop_active_transfer(struct dwc3_ep *dep, bool force, bool int
dep->flags |= DWC3_EP_DELAY_STOP;
return 0;
}
- WARN_ON_ONCE(ret);
+
+ if (ret)
+ dev_err_ratelimited(dep->dwc->dev,
+ "end transfer failed: %d\n", ret);
+
dep->resource_index = 0;
if (!interrupt)
@@ -3779,6 +3783,15 @@ static void dwc3_gadget_endpoint_transfer_complete(struct dwc3_ep *dep,
static void dwc3_gadget_endpoint_transfer_not_ready(struct dwc3_ep *dep,
const struct dwc3_event_depevt *event)
{
+ /*
+ * During a device-initiated disconnect, a late xferNotReady event can
+ * be generated after the End Transfer command resets the event filter,
+ * but before the controller is halted. Ignore it to prevent a new
+ * transfer from starting.
+ */
+ if (!dep->dwc->connected)
+ return;
+
dwc3_gadget_endpoint_frame_from_event(dep, event);
/*
@@ -4041,7 +4054,9 @@ static void dwc3_clear_stall_all_ep(struct dwc3 *dwc)
dep->flags &= ~DWC3_EP_STALL;
ret = dwc3_send_clear_stall_ep_cmd(dep);
- WARN_ON_ONCE(ret);
+ if (ret)
+ dev_err_ratelimited(dwc->dev,
+ "failed to clear STALL on %s\n", dep->name);
}
}