rpmsg: glink: Change error logging to avoid throttling

Avoid printing error when ENODEV is returned from glink callback
and use dev_err_ratelimited so that throttling will not happen
due to excessive logging.

Change-Id: I9369046c2f907ecd38416c8927764c7a8b7c1ca4
Signed-off-by: Sarannya S <sarannya@codeaurora.org>

drivers/rpmsg/qcom_glink_native.c

@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: GPL-2.0
 /*
  * Copyright (c) 2016-2017, Linaro Ltd
- * Copyright (c) 2018-2020, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2018-2021, The Linux Foundation. All rights reserved.
  */
 
 #include <linux/idr.h>
@@ -52,7 +52,8 @@ do {									     \
 	if (ch->glink) {						     \
 		ipc_log_string(ch->glink->ilc, "%s[%d:%d] %s: "x, ch->name,  \
 			       ch->lcid, ch->rcid, __func__, ##__VA_ARGS__); \
-		dev_err(ch->glink->dev, "[%s]: "x, __func__, ##__VA_ARGS__); \
+		dev_err_ratelimited(ch->glink->dev, "[%s]: "x, __func__,     \
+							##__VA_ARGS__);      \
 	}								     \
 } while (0)
 
@@ -1062,7 +1063,7 @@ static int qcom_glink_rx_data(struct qcom_glink *glink, size_t avail)
 					channel->ept.priv,
 					RPMSG_ADDR_ANY);
 
-			if (ret < 0) {
+			if (ret < 0 && ret != -ENODEV) {
 				CH_ERR(channel,
 					"callback error ret = %d\n", ret);
 				ret = 0;