From 2f7c68cb55ecb7331f2381deb497c27155f32faf Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Wed, 03 Jan 2024 09:43:39 +0000
Subject: [PATCH] update kernel to 5.10.198

---
 kernel/drivers/nfc/pn533/usb.c |   45 ++++++++++++++++++++++++++++++++++++++++++---
 1 files changed, 42 insertions(+), 3 deletions(-)

diff --git a/kernel/drivers/nfc/pn533/usb.c b/kernel/drivers/nfc/pn533/usb.c
index 84f2983..68eb125 100644
--- a/kernel/drivers/nfc/pn533/usb.c
+++ b/kernel/drivers/nfc/pn533/usb.c
@@ -153,10 +153,17 @@
 	return usb_submit_urb(phy->ack_urb, flags);
 }
 
+struct pn533_out_arg {
+	struct pn533_usb_phy *phy;
+	struct completion done;
+};
+
 static int pn533_usb_send_frame(struct pn533 *dev,
 				struct sk_buff *out)
 {
 	struct pn533_usb_phy *phy = dev->phy;
+	struct pn533_out_arg arg;
+	void *cntx;
 	int rc;
 
 	if (phy->priv == NULL)
@@ -168,9 +175,17 @@
 	print_hex_dump_debug("PN533 TX: ", DUMP_PREFIX_NONE, 16, 1,
 			     out->data, out->len, false);
 
+	arg.phy = phy;
+	init_completion(&arg.done);
+	cntx = phy->out_urb->context;
+	phy->out_urb->context = &arg;
+
 	rc = usb_submit_urb(phy->out_urb, GFP_KERNEL);
 	if (rc)
 		return rc;
+
+	wait_for_completion(&arg.done);
+	phy->out_urb->context = cntx;
 
 	if (dev->protocol_type == PN533_PROTO_REQ_RESP) {
 		/* request for response for sent packet directly */
@@ -412,7 +427,31 @@
 	return arg.rc;
 }
 
-static void pn533_send_complete(struct urb *urb)
+static void pn533_out_complete(struct urb *urb)
+{
+	struct pn533_out_arg *arg = urb->context;
+	struct pn533_usb_phy *phy = arg->phy;
+
+	switch (urb->status) {
+	case 0:
+		break; /* success */
+	case -ECONNRESET:
+	case -ENOENT:
+		dev_dbg(&phy->udev->dev,
+			"The urb has been stopped (status %d)\n",
+			urb->status);
+		break;
+	case -ESHUTDOWN:
+	default:
+		nfc_err(&phy->udev->dev,
+			"Urb failure (status %d)\n",
+			urb->status);
+	}
+
+	complete(&arg->done);
+}
+
+static void pn533_ack_complete(struct urb *urb)
 {
 	struct pn533_usb_phy *phy = urb->context;
 
@@ -500,10 +539,10 @@
 
 	usb_fill_bulk_urb(phy->out_urb, phy->udev,
 			  usb_sndbulkpipe(phy->udev, out_endpoint),
-			  NULL, 0, pn533_send_complete, phy);
+			  NULL, 0, pn533_out_complete, phy);
 	usb_fill_bulk_urb(phy->ack_urb, phy->udev,
 			  usb_sndbulkpipe(phy->udev, out_endpoint),
-			  NULL, 0, pn533_send_complete, phy);
+			  NULL, 0, pn533_ack_complete, phy);
 
 	switch (id->driver_info) {
 	case PN533_DEVICE_STD:

--
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