From 95099d4622f8cb224d94e314c7a8e0df60b13f87 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Sat, 09 Dec 2023 08:38:01 +0000
Subject: [PATCH] enable docker ppp
---
kernel/drivers/usb/mtu3/mtu3_gadget.c | 98 ++++++++++++++++++++++++------------------------
1 files changed, 49 insertions(+), 49 deletions(-)
diff --git a/kernel/drivers/usb/mtu3/mtu3_gadget.c b/kernel/drivers/usb/mtu3/mtu3_gadget.c
index 9f0c949..b7a6363 100644
--- a/kernel/drivers/usb/mtu3/mtu3_gadget.c
+++ b/kernel/drivers/usb/mtu3/mtu3_gadget.c
@@ -8,43 +8,38 @@
*/
#include "mtu3.h"
+#include "mtu3_trace.h"
void mtu3_req_complete(struct mtu3_ep *mep,
struct usb_request *req, int status)
__releases(mep->mtu->lock)
__acquires(mep->mtu->lock)
{
- struct mtu3_request *mreq;
- struct mtu3 *mtu;
- int busy = mep->busy;
+ struct mtu3_request *mreq = to_mtu3_request(req);
+ struct mtu3 *mtu = mreq->mtu;
- mreq = to_mtu3_request(req);
list_del(&mreq->list);
- if (mreq->request.status == -EINPROGRESS)
- mreq->request.status = status;
+ if (req->status == -EINPROGRESS)
+ req->status = status;
- mtu = mreq->mtu;
- mep->busy = 1;
+ trace_mtu3_req_complete(mreq);
spin_unlock(&mtu->lock);
/* ep0 makes use of PIO, needn't unmap it */
if (mep->epnum)
usb_gadget_unmap_request(&mtu->g, req, mep->is_in);
- dev_dbg(mtu->dev, "%s complete req: %p, sts %d, %d/%d\n", mep->name,
- req, req->status, mreq->request.actual, mreq->request.length);
+ dev_dbg(mtu->dev, "%s complete req: %p, sts %d, %d/%d\n",
+ mep->name, req, req->status, req->actual, req->length);
- usb_gadget_giveback_request(&mep->ep, &mreq->request);
-
+ usb_gadget_giveback_request(&mep->ep, req);
spin_lock(&mtu->lock);
- mep->busy = busy;
}
static void nuke(struct mtu3_ep *mep, const int status)
{
struct mtu3_request *mreq = NULL;
- mep->busy = 1;
if (list_empty(&mep->req_list))
return;
@@ -197,15 +192,14 @@
if (ret)
goto error;
- mep->busy = 0;
- mep->wedged = 0;
- mep->flags |= MTU3_EP_ENABLED;
+ mep->flags = MTU3_EP_ENABLED;
mtu->active_ep++;
error:
spin_unlock_irqrestore(&mtu->lock, flags);
dev_dbg(mtu->dev, "%s active_ep=%d\n", __func__, mtu->active_ep);
+ trace_mtu3_gadget_ep_enable(mep);
return ret;
}
@@ -217,6 +211,7 @@
unsigned long flags;
dev_dbg(mtu->dev, "%s %s\n", __func__, mep->name);
+ trace_mtu3_gadget_ep_disable(mep);
if (!(mep->flags & MTU3_EP_ENABLED)) {
dev_warn(mtu->dev, "%s is already disabled\n", mep->name);
@@ -225,7 +220,7 @@
spin_lock_irqsave(&mtu->lock, flags);
mtu3_ep_disable(mep);
- mep->flags &= ~MTU3_EP_ENABLED;
+ mep->flags = 0;
mtu->active_ep--;
spin_unlock_irqrestore(&(mtu->lock), flags);
@@ -247,34 +242,31 @@
mreq->request.dma = DMA_ADDR_INVALID;
mreq->epnum = mep->epnum;
mreq->mep = mep;
+ INIT_LIST_HEAD(&mreq->list);
+ trace_mtu3_alloc_request(mreq);
return &mreq->request;
}
void mtu3_free_request(struct usb_ep *ep, struct usb_request *req)
{
- kfree(to_mtu3_request(req));
+ struct mtu3_request *mreq = to_mtu3_request(req);
+
+ trace_mtu3_free_request(mreq);
+ kfree(mreq);
}
static int mtu3_gadget_queue(struct usb_ep *ep,
struct usb_request *req, gfp_t gfp_flags)
{
- struct mtu3_ep *mep;
- struct mtu3_request *mreq;
- struct mtu3 *mtu;
+ struct mtu3_ep *mep = to_mtu3_ep(ep);
+ struct mtu3_request *mreq = to_mtu3_request(req);
+ struct mtu3 *mtu = mep->mtu;
unsigned long flags;
int ret = 0;
- if (!ep || !req)
- return -EINVAL;
-
if (!req->buf)
return -ENODATA;
-
- mep = to_mtu3_ep(ep);
- mtu = mep->mtu;
- mreq = to_mtu3_request(req);
- mreq->mtu = mtu;
if (mreq->mep != mep)
return -EINVAL;
@@ -283,10 +275,12 @@
__func__, mep->is_in ? "TX" : "RX", mreq->epnum, ep->name,
mreq, ep->maxpacket, mreq->request.length);
- if (req->length > GPD_BUF_SIZE) {
+ if (req->length > GPD_BUF_SIZE ||
+ (mtu->gen2cp && req->length > GPD_BUF_SIZE_EL)) {
dev_warn(mtu->dev,
"req length > supported MAX:%d requested:%d\n",
- GPD_BUF_SIZE, req->length);
+ mtu->gen2cp ? GPD_BUF_SIZE_EL : GPD_BUF_SIZE,
+ req->length);
return -EOPNOTSUPP;
}
@@ -297,6 +291,7 @@
return -ESHUTDOWN;
}
+ mreq->mtu = mtu;
mreq->request.actual = 0;
mreq->request.status = -EINPROGRESS;
@@ -319,6 +314,7 @@
error:
spin_unlock_irqrestore(&mtu->lock, flags);
+ trace_mtu3_gadget_queue(mreq);
return ret;
}
@@ -328,14 +324,15 @@
struct mtu3_ep *mep = to_mtu3_ep(ep);
struct mtu3_request *mreq = to_mtu3_request(req);
struct mtu3_request *r;
+ struct mtu3 *mtu = mep->mtu;
unsigned long flags;
int ret = 0;
- struct mtu3 *mtu = mep->mtu;
- if (!ep || !req || mreq->mep != mep)
+ if (mreq->mep != mep)
return -EINVAL;
dev_dbg(mtu->dev, "%s : req=%p\n", __func__, req);
+ trace_mtu3_gadget_dequeue(mreq);
spin_lock_irqsave(&mtu->lock, flags);
@@ -371,9 +368,6 @@
unsigned long flags;
int ret = 0;
- if (!ep)
- return -EINVAL;
-
dev_dbg(mtu->dev, "%s : %s...", __func__, ep->name);
spin_lock_irqsave(&mtu->lock, flags);
@@ -397,7 +391,7 @@
goto done;
}
} else {
- mep->wedged = 0;
+ mep->flags &= ~MTU3_EP_WEDGE;
}
dev_dbg(mtu->dev, "%s %s stall\n", ep->name, value ? "set" : "clear");
@@ -406,6 +400,7 @@
done:
spin_unlock_irqrestore(&mtu->lock, flags);
+ trace_mtu3_gadget_ep_set_halt(mep);
return ret;
}
@@ -415,10 +410,7 @@
{
struct mtu3_ep *mep = to_mtu3_ep(ep);
- if (!ep)
- return -EINVAL;
-
- mep->wedged = 1;
+ mep->flags |= MTU3_EP_WEDGE;
return usb_ep_set_halt(ep);
}
@@ -582,6 +574,19 @@
return 0;
}
+static void
+mtu3_gadget_set_speed(struct usb_gadget *g, enum usb_device_speed speed)
+{
+ struct mtu3 *mtu = gadget_to_mtu3(g);
+ unsigned long flags;
+
+ dev_dbg(mtu->dev, "%s %s\n", __func__, usb_speed_string(speed));
+
+ spin_lock_irqsave(&mtu->lock, flags);
+ mtu3_set_speed(mtu, speed);
+ spin_unlock_irqrestore(&mtu->lock, flags);
+}
+
static const struct usb_gadget_ops mtu3_gadget_ops = {
.get_frame = mtu3_gadget_get_frame,
.wakeup = mtu3_gadget_wakeup,
@@ -589,6 +594,7 @@
.pullup = mtu3_gadget_pullup,
.udc_start = mtu3_gadget_start,
.udc_stop = mtu3_gadget_stop,
+ .udc_set_speed = mtu3_gadget_set_speed,
};
static void mtu3_state_reset(struct mtu3 *mtu)
@@ -664,8 +670,6 @@
int mtu3_gadget_setup(struct mtu3 *mtu)
{
- int ret;
-
mtu->g.ops = &mtu3_gadget_ops;
mtu->g.max_speed = mtu->max_speed;
mtu->g.speed = USB_SPEED_UNKNOWN;
@@ -676,11 +680,7 @@
mtu3_gadget_init_eps(mtu);
- ret = usb_add_gadget_udc(mtu->dev, &mtu->g);
- if (ret)
- dev_err(mtu->dev, "failed to register udc\n");
-
- return ret;
+ return usb_add_gadget_udc(mtu->dev, &mtu->g);
}
void mtu3_gadget_cleanup(struct mtu3 *mtu)
--
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