linux-kernel - [PATCH] thunderbolt: Process xdomain response packets synchronously

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Message-ID: <20250625062505.1596787-1-zhangjianrong5@huawei.com>
Date: Wed, 25 Jun 2025 14:25:05 +0800
From: zhangjianrong <zhangjianrong5@...wei.com>
To: <andreas.noever@...il.com>, <michael.jamet@...el.com>,
	<mika.westerberg@...ux.intel.com>, <YehezkelShB@...il.com>,
	<linux-usb@...r.kernel.org>, <linux-kernel@...r.kernel.org>
CC: <guhengsheng@...ilicon.com>, <caiyadong@...wei.com>,
	<xuetao09@...wei.com>, <lixinghang1@...wei.com>
Subject: [PATCH] thunderbolt: Process xdomain response packets synchronously

Xdomain response packets don't belong to async event. It seems
no harm now but better to be fixed.

Signed-off-by: zhangjianrong <zhangjianrong5@...wei.com>
---
 drivers/thunderbolt/ctl.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/thunderbolt/ctl.c b/drivers/thunderbolt/ctl.c
index 4bdb2d45e0bf..1873b64caf7c 100644
--- a/drivers/thunderbolt/ctl.c
+++ b/drivers/thunderbolt/ctl.c
@@ -461,6 +461,7 @@ static void tb_ctl_rx_callback(struct tb_ring *ring, struct ring_frame *frame,
 	case TB_CFG_PKG_ERROR:
 	case TB_CFG_PKG_OVERRIDE:
 	case TB_CFG_PKG_RESET:
+	case TB_CFG_PKG_XDOMAIN_RESP:
 		if (*(__be32 *)(pkg->buffer + frame->size) != crc32) {
 			tb_ctl_err(pkg->ctl,
 				   "RX: checksum mismatch, dropping packet\n");
@@ -474,7 +475,6 @@ static void tb_ctl_rx_callback(struct tb_ring *ring, struct ring_frame *frame,
 		break;
 
 	case TB_CFG_PKG_EVENT:
-	case TB_CFG_PKG_XDOMAIN_RESP:
 	case TB_CFG_PKG_XDOMAIN_REQ:
 		if (*(__be32 *)(pkg->buffer + frame->size) != crc32) {
 			tb_ctl_err(pkg->ctl,
-- 
2.34.1