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path: root/drivers/usb/dwc3
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-rw-r--r--drivers/usb/dwc3/Kconfig6
-rw-r--r--drivers/usb/dwc3/core.h12
-rw-r--r--drivers/usb/dwc3/debug.h156
-rw-r--r--drivers/usb/dwc3/dwc3-haps.c9
-rw-r--r--drivers/usb/dwc3/dwc3-keystone.c11
-rw-r--r--drivers/usb/dwc3/dwc3-qcom.c1
-rw-r--r--drivers/usb/dwc3/gadget.c65
-rw-r--r--drivers/usb/dwc3/gadget.h4
-rw-r--r--drivers/usb/dwc3/trace.h10
9 files changed, 158 insertions, 116 deletions
diff --git a/drivers/usb/dwc3/Kconfig b/drivers/usb/dwc3/Kconfig
index d7e4cab8cdd7..2b1494460d0c 100644
--- a/drivers/usb/dwc3/Kconfig
+++ b/drivers/usb/dwc3/Kconfig
@@ -88,11 +88,11 @@ config USB_DWC3_HAPS
platform, please say 'Y' or 'M' here.
config USB_DWC3_KEYSTONE
- tristate "Texas Instruments Keystone2 Platforms"
- depends on ARCH_KEYSTONE || COMPILE_TEST
+ tristate "Texas Instruments Keystone2/AM654 Platforms"
+ depends on ARCH_KEYSTONE || ARCH_K3 || COMPILE_TEST
default USB_DWC3
help
- Support of USB2/3 functionality in TI Keystone2 platforms.
+ Support of USB2/3 functionality in TI Keystone2 and AM654 platforms.
Say 'Y' or 'M' here if you have one such device
config USB_DWC3_OF_SIMPLE
diff --git a/drivers/usb/dwc3/core.h b/drivers/usb/dwc3/core.h
index df876418cb78..1528d395b156 100644
--- a/drivers/usb/dwc3/core.h
+++ b/drivers/usb/dwc3/core.h
@@ -692,7 +692,6 @@ struct dwc3_ep {
#define DWC3_EP_WEDGE BIT(2)
#define DWC3_EP_TRANSFER_STARTED BIT(3)
#define DWC3_EP_PENDING_REQUEST BIT(5)
-#define DWC3_EP_END_TRANSFER_PENDING BIT(7)
/* This last one is specific to EP0 */
#define DWC3_EP0_DIR_IN BIT(31)
@@ -863,6 +862,7 @@ struct dwc3_hwparams {
* @num_pending_sgs: counter to pending sgs
* @num_queued_sgs: counter to the number of sgs which already got queued
* @remaining: amount of data remaining
+ * @status: internal dwc3 request status tracking
* @epnum: endpoint number to which this request refers
* @trb: pointer to struct dwc3_trb
* @trb_dma: DMA address of @trb
@@ -871,7 +871,6 @@ struct dwc3_hwparams {
* or unaligned OUT)
* @direction: IN or OUT direction flag
* @mapped: true when request has been dma-mapped
- * @started: request is started
*/
struct dwc3_request {
struct usb_request request;
@@ -883,6 +882,14 @@ struct dwc3_request {
unsigned num_pending_sgs;
unsigned int num_queued_sgs;
unsigned remaining;
+
+ unsigned int status;
+#define DWC3_REQUEST_STATUS_QUEUED 0
+#define DWC3_REQUEST_STATUS_STARTED 1
+#define DWC3_REQUEST_STATUS_CANCELLED 2
+#define DWC3_REQUEST_STATUS_COMPLETED 3
+#define DWC3_REQUEST_STATUS_UNKNOWN -1
+
u8 epnum;
struct dwc3_trb *trb;
dma_addr_t trb_dma;
@@ -892,7 +899,6 @@ struct dwc3_request {
unsigned needs_extra_trb:1;
unsigned direction:1;
unsigned mapped:1;
- unsigned started:1;
};
/*
diff --git a/drivers/usb/dwc3/debug.h b/drivers/usb/dwc3/debug.h
index 4f75ab3505b7..6759a7efd8d5 100644
--- a/drivers/usb/dwc3/debug.h
+++ b/drivers/usb/dwc3/debug.h
@@ -193,65 +193,69 @@ static inline const char *dwc3_ep0_state_string(enum dwc3_ep0_state state)
* dwc3_gadget_event_string - returns event name
* @event: the event code
*/
-static inline const char *
-dwc3_gadget_event_string(char *str, const struct dwc3_event_devt *event)
+static inline const char *dwc3_gadget_event_string(char *str, size_t size,
+ const struct dwc3_event_devt *event)
{
enum dwc3_link_state state = event->event_info & DWC3_LINK_STATE_MASK;
switch (event->type) {
case DWC3_DEVICE_EVENT_DISCONNECT:
- sprintf(str, "Disconnect: [%s]",
+ snprintf(str, size, "Disconnect: [%s]",
dwc3_gadget_link_string(state));
break;
case DWC3_DEVICE_EVENT_RESET:
- sprintf(str, "Reset [%s]", dwc3_gadget_link_string(state));
+ snprintf(str, size, "Reset [%s]",
+ dwc3_gadget_link_string(state));
break;
case DWC3_DEVICE_EVENT_CONNECT_DONE:
- sprintf(str, "Connection Done [%s]",
+ snprintf(str, size, "Connection Done [%s]",
dwc3_gadget_link_string(state));
break;
case DWC3_DEVICE_EVENT_LINK_STATUS_CHANGE:
- sprintf(str, "Link Change [%s]",
+ snprintf(str, size, "Link Change [%s]",
dwc3_gadget_link_string(state));
break;
case DWC3_DEVICE_EVENT_WAKEUP:
- sprintf(str, "WakeUp [%s]", dwc3_gadget_link_string(state));
+ snprintf(str, size, "WakeUp [%s]",
+ dwc3_gadget_link_string(state));
break;
case DWC3_DEVICE_EVENT_EOPF:
- sprintf(str, "End-Of-Frame [%s]",
+ snprintf(str, size, "End-Of-Frame [%s]",
dwc3_gadget_link_string(state));
break;
case DWC3_DEVICE_EVENT_SOF:
- sprintf(str, "Start-Of-Frame [%s]",
+ snprintf(str, size, "Start-Of-Frame [%s]",
dwc3_gadget_link_string(state));
break;
case DWC3_DEVICE_EVENT_ERRATIC_ERROR:
- sprintf(str, "Erratic Error [%s]",
+ snprintf(str, size, "Erratic Error [%s]",
dwc3_gadget_link_string(state));
break;
case DWC3_DEVICE_EVENT_CMD_CMPL:
- sprintf(str, "Command Complete [%s]",
+ snprintf(str, size, "Command Complete [%s]",
dwc3_gadget_link_string(state));
break;
case DWC3_DEVICE_EVENT_OVERFLOW:
- sprintf(str, "Overflow [%s]", dwc3_gadget_link_string(state));
+ snprintf(str, size, "Overflow [%s]",
+ dwc3_gadget_link_string(state));
break;
default:
- sprintf(str, "UNKNOWN");
+ snprintf(str, size, "UNKNOWN");
}
return str;
}
-static inline void dwc3_decode_get_status(__u8 t, __u16 i, __u16 l, char *str)
+static inline void dwc3_decode_get_status(__u8 t, __u16 i, __u16 l, char *str,
+ size_t size)
{
switch (t & USB_RECIP_MASK) {
case USB_RECIP_INTERFACE:
- sprintf(str, "Get Interface Status(Intf = %d, Length = %d)",
- i, l);
+ snprintf(str, size, "Get Interface Status(Intf = %d, Length = %d)",
+ i, l);
break;
case USB_RECIP_ENDPOINT:
- sprintf(str, "Get Endpoint Status(ep%d%s)",
+ snprintf(str, size, "Get Endpoint Status(ep%d%s)",
i & ~USB_DIR_IN,
i & USB_DIR_IN ? "in" : "out");
break;
@@ -259,11 +263,11 @@ static inline void dwc3_decode_get_status(__u8 t, __u16 i, __u16 l, char *str)
}
static inline void dwc3_decode_set_clear_feature(__u8 t, __u8 b, __u16 v,
- __u16 i, char *str)
+ __u16 i, char *str, size_t size)
{
switch (t & USB_RECIP_MASK) {
case USB_RECIP_DEVICE:
- sprintf(str, "%s Device Feature(%s%s)",
+ snprintf(str, size, "%s Device Feature(%s%s)",
b == USB_REQ_CLEAR_FEATURE ? "Clear" : "Set",
({char *s;
switch (v) {
@@ -311,13 +315,13 @@ static inline void dwc3_decode_set_clear_feature(__u8 t, __u8 b, __u16 v,
} s; }) : "");
break;
case USB_RECIP_INTERFACE:
- sprintf(str, "%s Interface Feature(%s)",
+ snprintf(str, size, "%s Interface Feature(%s)",
b == USB_REQ_CLEAR_FEATURE ? "Clear" : "Set",
v == USB_INTRF_FUNC_SUSPEND ?
"Function Suspend" : "UNKNOWN");
break;
case USB_RECIP_ENDPOINT:
- sprintf(str, "%s Endpoint Feature(%s ep%d%s)",
+ snprintf(str, size, "%s Endpoint Feature(%s ep%d%s)",
b == USB_REQ_CLEAR_FEATURE ? "Clear" : "Set",
v == USB_ENDPOINT_HALT ? "Halt" : "UNKNOWN",
i & ~USB_DIR_IN,
@@ -326,15 +330,15 @@ static inline void dwc3_decode_set_clear_feature(__u8 t, __u8 b, __u16 v,
}
}
-static inline void dwc3_decode_set_address(__u16 v, char *str)
+static inline void dwc3_decode_set_address(__u16 v, char *str, size_t size)
{
- sprintf(str, "Set Address(Addr = %02x)", v);
+ snprintf(str, size, "Set Address(Addr = %02x)", v);
}
static inline void dwc3_decode_get_set_descriptor(__u8 t, __u8 b, __u16 v,
- __u16 i, __u16 l, char *str)
+ __u16 i, __u16 l, char *str, size_t size)
{
- sprintf(str, "%s %s Descriptor(Index = %d, Length = %d)",
+ snprintf(str, size, "%s %s Descriptor(Index = %d, Length = %d)",
b == USB_REQ_GET_DESCRIPTOR ? "Get" : "Set",
({ char *s;
switch (v >> 8) {
@@ -393,87 +397,92 @@ static inline void dwc3_decode_get_set_descriptor(__u8 t, __u8 b, __u16 v,
}
-static inline void dwc3_decode_get_configuration(__u16 l, char *str)
+static inline void dwc3_decode_get_configuration(__u16 l, char *str,
+ size_t size)
{
- sprintf(str, "Get Configuration(Length = %d)", l);
+ snprintf(str, size, "Get Configuration(Length = %d)", l);
}
-static inline void dwc3_decode_set_configuration(__u8 v, char *str)
+static inline void dwc3_decode_set_configuration(__u8 v, char *str, size_t size)
{
- sprintf(str, "Set Configuration(Config = %d)", v);
+ snprintf(str, size, "Set Configuration(Config = %d)", v);
}
-static inline void dwc3_decode_get_intf(__u16 i, __u16 l, char *str)
+static inline void dwc3_decode_get_intf(__u16 i, __u16 l, char *str,
+ size_t size)
{
- sprintf(str, "Get Interface(Intf = %d, Length = %d)", i, l);
+ snprintf(str, size, "Get Interface(Intf = %d, Length = %d)", i, l);
}
-static inline void dwc3_decode_set_intf(__u8 v, __u16 i, char *str)
+static inline void dwc3_decode_set_intf(__u8 v, __u16 i, char *str, size_t size)
{
- sprintf(str, "Set Interface(Intf = %d, Alt.Setting = %d)", i, v);
+ snprintf(str, size, "Set Interface(Intf = %d, Alt.Setting = %d)", i, v);
}
-static inline void dwc3_decode_synch_frame(__u16 i, __u16 l, char *str)
+static inline void dwc3_decode_synch_frame(__u16 i, __u16 l, char *str,
+ size_t size)
{
- sprintf(str, "Synch Frame(Endpoint = %d, Length = %d)", i, l);
+ snprintf(str, size, "Synch Frame(Endpoint = %d, Length = %d)", i, l);
}
-static inline void dwc3_decode_set_sel(__u16 l, char *str)
+static inline void dwc3_decode_set_sel(__u16 l, char *str, size_t size)
{
- sprintf(str, "Set SEL(Length = %d)", l);
+ snprintf(str, size, "Set SEL(Length = %d)", l);
}
-static inline void dwc3_decode_set_isoch_delay(__u8 v, char *str)
+static inline void dwc3_decode_set_isoch_delay(__u8 v, char *str, size_t size)
{
- sprintf(str, "Set Isochronous Delay(Delay = %d ns)", v);
+ snprintf(str, size, "Set Isochronous Delay(Delay = %d ns)", v);
}
/**
* dwc3_decode_ctrl - returns a string represetion of ctrl request
*/
-static inline const char *dwc3_decode_ctrl(char *str, __u8 bRequestType,
- __u8 bRequest, __u16 wValue, __u16 wIndex, __u16 wLength)
+static inline const char *dwc3_decode_ctrl(char *str, size_t size,
+ __u8 bRequestType, __u8 bRequest, __u16 wValue, __u16 wIndex,
+ __u16 wLength)
{
switch (bRequest) {
case USB_REQ_GET_STATUS:
- dwc3_decode_get_status(bRequestType, wIndex, wLength, str);
+ dwc3_decode_get_status(bRequestType, wIndex, wLength, str,
+ size);
break;
case USB_REQ_CLEAR_FEATURE:
case USB_REQ_SET_FEATURE:
dwc3_decode_set_clear_feature(bRequestType, bRequest, wValue,
- wIndex, str);
+ wIndex, str, size);
break;
case USB_REQ_SET_ADDRESS:
- dwc3_decode_set_address(wValue, str);
+ dwc3_decode_set_address(wValue, str, size);
break;
case USB_REQ_GET_DESCRIPTOR:
case USB_REQ_SET_DESCRIPTOR:
dwc3_decode_get_set_descriptor(bRequestType, bRequest, wValue,
- wIndex, wLength, str);
+ wIndex, wLength, str, size);
break;
case USB_REQ_GET_CONFIGURATION:
- dwc3_decode_get_configuration(wLength, str);
+ dwc3_decode_get_configuration(wLength, str, size);
break;
case USB_REQ_SET_CONFIGURATION:
- dwc3_decode_set_configuration(wValue, str);
+ dwc3_decode_set_configuration(wValue, str, size);
break;
case USB_REQ_GET_INTERFACE:
- dwc3_decode_get_intf(wIndex, wLength, str);
+ dwc3_decode_get_intf(wIndex, wLength, str, size);
break;
case USB_REQ_SET_INTERFACE:
- dwc3_decode_set_intf(wValue, wIndex, str);
+ dwc3_decode_set_intf(wValue, wIndex, str, size);
break;
case USB_REQ_SYNCH_FRAME:
- dwc3_decode_synch_frame(wIndex, wLength, str);
+ dwc3_decode_synch_frame(wIndex, wLength, str, size);
break;
case USB_REQ_SET_SEL:
- dwc3_decode_set_sel(wLength, str);
+ dwc3_decode_set_sel(wLength, str, size);
break;
case USB_REQ_SET_ISOCH_DELAY:
- dwc3_decode_set_isoch_delay(wValue, str);
+ dwc3_decode_set_isoch_delay(wValue, str, size);
break;
default:
- sprintf(str, "%02x %02x %02x %02x %02x %02x %02x %02x",
+ snprintf(str, size, "%02x %02x %02x %02x %02x %02x %02x %02x",
bRequestType, bRequest,
cpu_to_le16(wValue) & 0xff,
cpu_to_le16(wValue) >> 8,
@@ -490,16 +499,15 @@ static inline const char *dwc3_decode_ctrl(char *str, __u8 bRequestType,
* dwc3_ep_event_string - returns event name
* @event: then event code
*/
-static inline const char *
-dwc3_ep_event_string(char *str, const struct dwc3_event_depevt *event,
- u32 ep0state)
+static inline const char *dwc3_ep_event_string(char *str, size_t size,
+ const struct dwc3_event_depevt *event, u32 ep0state)
{
u8 epnum = event->endpoint_number;
size_t len;
int status;
int ret;
- ret = sprintf(str, "ep%d%s: ", epnum >> 1,
+ ret = snprintf(str, size, "ep%d%s: ", epnum >> 1,
(epnum & 1) ? "in" : "out");
if (ret < 0)
return "UNKNOWN";
@@ -509,7 +517,7 @@ dwc3_ep_event_string(char *str, const struct dwc3_event_depevt *event,
switch (event->endpoint_event) {
case DWC3_DEPEVT_XFERCOMPLETE:
len = strlen(str);
- sprintf(str + len, "Transfer Complete (%c%c%c)",
+ snprintf(str + len, size - len, "Transfer Complete (%c%c%c)",
status & DEPEVT_STATUS_SHORT ? 'S' : 's',
status & DEPEVT_STATUS_IOC ? 'I' : 'i',
status & DEPEVT_STATUS_LST ? 'L' : 'l');
@@ -517,12 +525,13 @@ dwc3_ep_event_string(char *str, const struct dwc3_event_depevt *event,
len = strlen(str);
if (epnum <= 1)
- sprintf(str + len, " [%s]", dwc3_ep0_state_string(ep0state));
+ snprintf(str + len, size - len, " [%s]",
+ dwc3_ep0_state_string(ep0state));
break;
case DWC3_DEPEVT_XFERINPROGRESS:
len = strlen(str);
- sprintf(str + len, "Transfer In Progress [%d] (%c%c%c)",
+ snprintf(str + len, size - len, "Transfer In Progress [%d] (%c%c%c)",
event->parameters,
status & DEPEVT_STATUS_SHORT ? 'S' : 's',
status & DEPEVT_STATUS_IOC ? 'I' : 'i',
@@ -531,47 +540,51 @@ dwc3_ep_event_string(char *str, const struct dwc3_event_depevt *event,
case DWC3_DEPEVT_XFERNOTREADY:
len = strlen(str);
- sprintf(str + len, "Transfer Not Ready [%d]%s",
+ snprintf(str + len, size - len, "Transfer Not Ready [%d]%s",
event->parameters,
status & DEPEVT_STATUS_TRANSFER_ACTIVE ?
" (Active)" : " (Not Active)");
+ len = strlen(str);
+
/* Control Endpoints */
if (epnum <= 1) {
int phase = DEPEVT_STATUS_CONTROL_PHASE(event->status);
switch (phase) {
case DEPEVT_STATUS_CONTROL_DATA:
- strcat(str, " [Data Phase]");
+ snprintf(str + ret, size - ret,
+ " [Data Phase]");
break;
case DEPEVT_STATUS_CONTROL_STATUS:
- strcat(str, " [Status Phase]");
+ snprintf(str + ret, size - ret,
+ " [Status Phase]");
}
}
break;
case DWC3_DEPEVT_RXTXFIFOEVT:
- strcat(str, "FIFO");
+ snprintf(str + ret, size - ret, "FIFO");
break;
case DWC3_DEPEVT_STREAMEVT:
status = event->status;
switch (status) {
case DEPEVT_STREAMEVT_FOUND:
- sprintf(str + ret, " Stream %d Found",
+ snprintf(str + ret, size - ret, " Stream %d Found",
event->parameters);
break;
case DEPEVT_STREAMEVT_NOTFOUND:
default:
- strcat(str, " Stream Not Found");
+ snprintf(str + ret, size - ret, " Stream Not Found");
break;
}
break;
case DWC3_DEPEVT_EPCMDCMPLT:
- strcat(str, "Endpoint Command Complete");
+ snprintf(str + ret, size - ret, "Endpoint Command Complete");
break;
default:
- sprintf(str, "UNKNOWN");
+ snprintf(str, size, "UNKNOWN");
}
return str;
@@ -611,14 +624,15 @@ static inline const char *dwc3_gadget_event_type_string(u8 event)
}
}
-static inline const char *dwc3_decode_event(char *str, u32 event, u32 ep0state)
+static inline const char *dwc3_decode_event(char *str, size_t size, u32 event,
+ u32 ep0state)
{
const union dwc3_event evt = (union dwc3_event) event;
if (evt.type.is_devspec)
- return dwc3_gadget_event_string(str, &evt.devt);
+ return dwc3_gadget_event_string(str, size, &evt.devt);
else
- return dwc3_ep_event_string(str, &evt.depevt, ep0state);
+ return dwc3_ep_event_string(str, size, &evt.depevt, ep0state);
}
static inline const char *dwc3_ep_cmd_status_string(int status)
diff --git a/drivers/usb/dwc3/dwc3-haps.c b/drivers/usb/dwc3/dwc3-haps.c
index 02d57d98ef9b..3cecbf169452 100644
--- a/drivers/usb/dwc3/dwc3-haps.c
+++ b/drivers/usb/dwc3/dwc3-haps.c
@@ -106,6 +106,15 @@ static const struct pci_device_id dwc3_haps_id_table[] = {
{
PCI_DEVICE(PCI_VENDOR_ID_SYNOPSYS,
PCI_DEVICE_ID_SYNOPSYS_HAPSUSB3),
+ /*
+ * i.MX6QP and i.MX7D platform use a PCIe controller with the
+ * same VID and PID as this USB controller. The system may
+ * incorrectly match this driver to that PCIe controller. To
+ * workaround this, specifically use class type USB to prevent
+ * incorrect driver matching.
+ */
+ .class = (PCI_CLASS_SERIAL_USB << 8),
+ .class_mask = 0xffff00,
},
{
PCI_DEVICE(PCI_VENDOR_ID_SYNOPSYS,
diff --git a/drivers/usb/dwc3/dwc3-keystone.c b/drivers/usb/dwc3/dwc3-keystone.c
index 193a9a88222a..cbee5fb9b9fb 100644
--- a/drivers/usb/dwc3/dwc3-keystone.c
+++ b/drivers/usb/dwc3/dwc3-keystone.c
@@ -106,6 +106,10 @@ static int kdwc3_probe(struct platform_device *pdev)
goto err_irq;
}
+ /* IRQ processing not required currently for AM65 */
+ if (of_device_is_compatible(node, "ti,am654-dwc3"))
+ goto skip_irq;
+
irq = platform_get_irq(pdev, 0);
if (irq < 0) {
dev_err(&pdev->dev, "missing irq\n");
@@ -123,6 +127,7 @@ static int kdwc3_probe(struct platform_device *pdev)
kdwc3_enable_irqs(kdwc);
+skip_irq:
error = of_platform_populate(node, NULL, NULL, dev);
if (error) {
dev_err(&pdev->dev, "failed to create dwc3 core\n");
@@ -152,8 +157,11 @@ static int kdwc3_remove_core(struct device *dev, void *c)
static int kdwc3_remove(struct platform_device *pdev)
{
struct dwc3_keystone *kdwc = platform_get_drvdata(pdev);
+ struct device_node *node = pdev->dev.of_node;
+
+ if (!of_device_is_compatible(node, "ti,am654-dwc3"))
+ kdwc3_disable_irqs(kdwc);
- kdwc3_disable_irqs(kdwc);
device_for_each_child(&pdev->dev, NULL, kdwc3_remove_core);
pm_runtime_put_sync(kdwc->dev);
pm_runtime_disable(kdwc->dev);
@@ -165,6 +173,7 @@ static int kdwc3_remove(struct platform_device *pdev)
static const struct of_device_id kdwc3_of_match[] = {
{ .compatible = "ti,keystone-dwc3", },
+ { .compatible = "ti,am654-dwc3" },
{},
};
MODULE_DEVICE_TABLE(of, kdwc3_of_match);
diff --git a/drivers/usb/dwc3/dwc3-qcom.c b/drivers/usb/dwc3/dwc3-qcom.c
index a6d0203e40b6..184df4daa590 100644
--- a/drivers/usb/dwc3/dwc3-qcom.c
+++ b/drivers/usb/dwc3/dwc3-qcom.c
@@ -595,6 +595,7 @@ static const struct dev_pm_ops dwc3_qcom_dev_pm_ops = {
static const struct of_device_id dwc3_qcom_of_match[] = {
{ .compatible = "qcom,dwc3" },
{ .compatible = "qcom,msm8996-dwc3" },
+ { .compatible = "qcom,msm8998-dwc3" },
{ .compatible = "qcom,sdm845-dwc3" },
{ }
};
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index 6c9b76bcc2e1..e293400cc6e9 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -174,7 +174,6 @@ static void dwc3_gadget_del_and_unmap_request(struct dwc3_ep *dep,
{
struct dwc3 *dwc = dep->dwc;
- req->started = false;
list_del(&req->list);
req->remaining = 0;
req->needs_extra_trb = false;
@@ -209,6 +208,7 @@ void dwc3_gadget_giveback(struct dwc3_ep *dep, struct dwc3_request *req,
struct dwc3 *dwc = dep->dwc;
dwc3_gadget_del_and_unmap_request(dep, req, status);
+ req->status = DWC3_REQUEST_STATUS_COMPLETED;
spin_unlock(&dwc->lock);
usb_gadget_giveback_request(&dep->endpoint, &req->request);
@@ -384,19 +384,9 @@ int dwc3_send_gadget_ep_cmd(struct dwc3_ep *dep, unsigned cmd,
trace_dwc3_gadget_ep_cmd(dep, cmd, params, cmd_status);
- if (ret == 0) {
- switch (DWC3_DEPCMD_CMD(cmd)) {
- case DWC3_DEPCMD_STARTTRANSFER:
- dep->flags |= DWC3_EP_TRANSFER_STARTED;
- dwc3_gadget_ep_get_transfer_index(dep);
- break;
- case DWC3_DEPCMD_ENDTRANSFER:
- dep->flags &= ~DWC3_EP_TRANSFER_STARTED;
- break;
- default:
- /* nothing */
- break;
- }
+ if (ret == 0 && DWC3_DEPCMD_CMD(cmd) == DWC3_DEPCMD_STARTTRANSFER) {
+ dep->flags |= DWC3_EP_TRANSFER_STARTED;
+ dwc3_gadget_ep_get_transfer_index(dep);
}
if (saved_config) {
@@ -642,7 +632,6 @@ static int __dwc3_gadget_ep_enable(struct dwc3_ep *dep, unsigned int action)
dep->type = usb_endpoint_type(desc);
dep->flags |= DWC3_EP_ENABLED;
- dep->flags &= ~DWC3_EP_END_TRANSFER_PENDING;
reg = dwc3_readl(dwc->regs, DWC3_DALEPENA);
reg |= DWC3_DALEPENA_EP(dep->number);
@@ -698,12 +687,13 @@ out:
return 0;
}
-static void dwc3_stop_active_transfer(struct dwc3_ep *dep, bool force);
+static void dwc3_stop_active_transfer(struct dwc3_ep *dep, bool force,
+ bool interrupt);
static void dwc3_remove_requests(struct dwc3 *dwc, struct dwc3_ep *dep)
{
struct dwc3_request *req;
- dwc3_stop_active_transfer(dep, true);
+ dwc3_stop_active_transfer(dep, true, false);
/* - giveback all requests to gadget driver */
while (!list_empty(&dep->started_list)) {
@@ -748,7 +738,7 @@ static int __dwc3_gadget_ep_disable(struct dwc3_ep *dep)
dep->stream_capable = false;
dep->type = 0;
- dep->flags &= DWC3_EP_END_TRANSFER_PENDING;
+ dep->flags = 0;
/* Clear out the ep descriptors for non-ep0 */
if (dep->number > 1) {
@@ -847,6 +837,7 @@ static struct usb_request *dwc3_gadget_ep_alloc_request(struct usb_ep *ep,
req->direction = dep->direction;
req->epnum = dep->number;
req->dep = dep;
+ req->status = DWC3_REQUEST_STATUS_UNKNOWN;
trace_dwc3_alloc_request(req);
@@ -1360,7 +1351,7 @@ static int dwc3_gadget_start_isoc_quirk(struct dwc3_ep *dep)
* to wait for the next XferNotReady to test the command again
*/
if (cmd_status == 0) {
- dwc3_stop_active_transfer(dep, true);
+ dwc3_stop_active_transfer(dep, true, true);
return 0;
}
}
@@ -1435,6 +1426,11 @@ static int __dwc3_gadget_ep_queue(struct dwc3_ep *dep, struct dwc3_request *req)
&req->request, req->dep->name))
return -EINVAL;
+ if (WARN(req->status < DWC3_REQUEST_STATUS_COMPLETED,
+ "%s: request %pK already in flight\n",
+ dep->name, &req->request))
+ return -EINVAL;
+
pm_runtime_get(dwc->dev);
req->request.actual = 0;
@@ -1443,6 +1439,7 @@ static int __dwc3_gadget_ep_queue(struct dwc3_ep *dep, struct dwc3_request *req)
trace_dwc3_ep_queue(req);
list_add_tail(&req->list, &dep->pending_list);
+ req->status = DWC3_REQUEST_STATUS_QUEUED;
/*
* NOTICE: Isochronous endpoints should NEVER be prestarted. We must
@@ -1506,6 +1503,8 @@ static void dwc3_gadget_ep_skip_trbs(struct dwc3_ep *dep, struct dwc3_request *r
trb->ctrl &= ~DWC3_TRB_CTRL_HWO;
dwc3_ep_inc_deq(dep);
}
+
+ req->num_trbs = 0;
}
static void dwc3_gadget_ep_cleanup_cancelled_requests(struct dwc3_ep *dep)
@@ -1547,13 +1546,16 @@ static int dwc3_gadget_ep_dequeue(struct usb_ep *ep,
}
if (r == req) {
/* wait until it is processed */
- dwc3_stop_active_transfer(dep, true);
+ dwc3_stop_active_transfer(dep, true, true);
if (!r->trb)
goto out0;
dwc3_gadget_move_cancelled_request(req);
- goto out0;
+ if (dep->flags & DWC3_EP_TRANSFER_STARTED)
+ goto out0;
+ else
+ goto out1;
}
dev_err(dwc->dev, "request %pK was not queued to %s\n",
request, ep->name);
@@ -1561,6 +1563,7 @@ static int dwc3_gadget_ep_dequeue(struct usb_ep *ep,
goto out0;
}
+out1:
dwc3_gadget_giveback(dep, req, -ECONNRESET);
out0:
@@ -2500,7 +2503,7 @@ static void dwc3_gadget_endpoint_transfer_in_progress(struct dwc3_ep *dep,
dwc3_gadget_ep_cleanup_completed_requests(dep, event, status);
if (stop) {
- dwc3_stop_active_transfer(dep, true);
+ dwc3_stop_active_transfer(dep, true, true);
dep->flags = DWC3_EP_ENABLED;
}
@@ -2547,7 +2550,7 @@ static void dwc3_endpoint_interrupt(struct dwc3 *dwc,
dep = dwc->eps[epnum];
if (!(dep->flags & DWC3_EP_ENABLED)) {
- if (!(dep->flags & DWC3_EP_END_TRANSFER_PENDING))
+ if (!(dep->flags & DWC3_EP_TRANSFER_STARTED))
return;
/* Handle only EPCMDCMPLT when EP disabled */
@@ -2571,7 +2574,7 @@ static void dwc3_endpoint_interrupt(struct dwc3 *dwc,
cmd = DEPEVT_PARAMETER_CMD(event->parameters);
if (cmd == DWC3_DEPCMD_ENDTRANSFER) {
- dep->flags &= ~DWC3_EP_END_TRANSFER_PENDING;
+ dep->flags &= ~DWC3_EP_TRANSFER_STARTED;
dwc3_gadget_ep_cleanup_cancelled_requests(dep);
}
break;
@@ -2621,15 +2624,15 @@ static void dwc3_reset_gadget(struct dwc3 *dwc)
}
}
-static void dwc3_stop_active_transfer(struct dwc3_ep *dep, bool force)
+static void dwc3_stop_active_transfer(struct dwc3_ep *dep, bool force,
+ bool interrupt)
{
struct dwc3 *dwc = dep->dwc;
struct dwc3_gadget_ep_cmd_params params;
u32 cmd;
int ret;
- if ((dep->flags & DWC3_EP_END_TRANSFER_PENDING) ||
- !dep->resource_index)
+ if (!(dep->flags & DWC3_EP_TRANSFER_STARTED))
return;
/*
@@ -2665,17 +2668,15 @@ static void dwc3_stop_active_transfer(struct dwc3_ep *dep, bool force)
cmd = DWC3_DEPCMD_ENDTRANSFER;
cmd |= force ? DWC3_DEPCMD_HIPRI_FORCERM : 0;
- cmd |= DWC3_DEPCMD_CMDIOC;
+ cmd |= interrupt ? DWC3_DEPCMD_CMDIOC : 0;
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);
dep->resource_index = 0;
- if (dwc3_is_usb31(dwc) || dwc->revision < DWC3_REVISION_310A) {
- dep->flags |= DWC3_EP_END_TRANSFER_PENDING;
+ if (dwc3_is_usb31(dwc) || dwc->revision < DWC3_REVISION_310A)
udelay(100);
- }
}
static void dwc3_clear_stall_all_ep(struct dwc3 *dwc)
@@ -3339,6 +3340,8 @@ int dwc3_gadget_init(struct dwc3 *dwc)
goto err4;
}
+ dwc3_gadget_set_speed(&dwc->gadget, dwc->maximum_speed);
+
return 0;
err4:
diff --git a/drivers/usb/dwc3/gadget.h b/drivers/usb/dwc3/gadget.h
index 023a473648eb..3ed738e86ea7 100644
--- a/drivers/usb/dwc3/gadget.h
+++ b/drivers/usb/dwc3/gadget.h
@@ -75,7 +75,7 @@ static inline void dwc3_gadget_move_started_request(struct dwc3_request *req)
{
struct dwc3_ep *dep = req->dep;
- req->started = true;
+ req->status = DWC3_REQUEST_STATUS_STARTED;
list_move_tail(&req->list, &dep->started_list);
}
@@ -90,7 +90,7 @@ static inline void dwc3_gadget_move_cancelled_request(struct dwc3_request *req)
{
struct dwc3_ep *dep = req->dep;
- req->started = false;
+ req->status = DWC3_REQUEST_STATUS_CANCELLED;
list_move_tail(&req->list, &dep->cancelled_list);
}
diff --git a/drivers/usb/dwc3/trace.h b/drivers/usb/dwc3/trace.h
index e97a00593dda..818a63da1a44 100644
--- a/drivers/usb/dwc3/trace.h
+++ b/drivers/usb/dwc3/trace.h
@@ -59,8 +59,8 @@ DECLARE_EVENT_CLASS(dwc3_log_event,
__entry->ep0state = dwc->ep0state;
),
TP_printk("event (%08x): %s", __entry->event,
- dwc3_decode_event(__get_str(str), __entry->event,
- __entry->ep0state))
+ dwc3_decode_event(__get_str(str), DWC3_MSG_MAX,
+ __entry->event, __entry->ep0state))
);
DEFINE_EVENT(dwc3_log_event, dwc3_event,
@@ -86,7 +86,8 @@ DECLARE_EVENT_CLASS(dwc3_log_ctrl,
__entry->wIndex = le16_to_cpu(ctrl->wIndex);
__entry->wLength = le16_to_cpu(ctrl->wLength);
),
- TP_printk("%s", dwc3_decode_ctrl(__get_str(str), __entry->bRequestType,
+ TP_printk("%s", dwc3_decode_ctrl(__get_str(str), DWC3_MSG_MAX,
+ __entry->bRequestType,
__entry->bRequest, __entry->wValue,
__entry->wIndex, __entry->wLength)
)
@@ -305,7 +306,7 @@ DECLARE_EVENT_CLASS(dwc3_log_ep,
__entry->trb_enqueue = dep->trb_enqueue;
__entry->trb_dequeue = dep->trb_dequeue;
),
- TP_printk("%s: mps %d/%d streams %d burst %d ring %d/%d flags %c:%c%c%c%c:%c:%c",
+ TP_printk("%s: mps %d/%d streams %d burst %d ring %d/%d flags %c:%c%c%c%c:%c",
__get_str(name), __entry->maxpacket,
__entry->maxpacket_limit, __entry->max_streams,
__entry->maxburst, __entry->trb_enqueue,
@@ -315,7 +316,6 @@ DECLARE_EVENT_CLASS(dwc3_log_ep,
__entry->flags & DWC3_EP_WEDGE ? 'W' : 'w',
__entry->flags & DWC3_EP_TRANSFER_STARTED ? 'B' : 'b',
__entry->flags & DWC3_EP_PENDING_REQUEST ? 'P' : 'p',
- __entry->flags & DWC3_EP_END_TRANSFER_PENDING ? 'E' : 'e',
__entry->direction ? '<' : '>'
)
);
generated by cgit v1.2.3 (git 2.39.0) at 2024-12-30 02:16:05 +0300