1 files changed, 59 insertions, 7 deletions

diff --git a/drivers/net/wireless/mwifiex/debugfs.c b/drivers/net/wireless/mwifiex/debugfs.c
index 5a0636d43a1b..9824d8dd2b44 100644
--- a/drivers/net/wireless/mwifiex/debugfs.c
+++ b/drivers/net/wireless/mwifiex/debugfs.c
@@ -731,7 +731,7 @@ mwifiex_rdeeprom_read(struct file *file, char __user *ubuf,
 		(struct mwifiex_private *) file->private_data;
 	unsigned long addr = get_zeroed_page(GFP_KERNEL);
 	char *buf = (char *) addr;
-	int pos = 0, ret = 0, i;
+	int pos, ret, i;
 	u8 value[MAX_EEPROM_DATA];
 
 	if (!buf)
@@ -739,7 +739,7 @@ mwifiex_rdeeprom_read(struct file *file, char __user *ubuf,
 
 	if (saved_offset == -1) {
 		/* No command has been given */
-		pos += snprintf(buf, PAGE_SIZE, "0");
+		pos = snprintf(buf, PAGE_SIZE, "0");
 		goto done;
 	}
 
@@ -748,17 +748,17 @@ mwifiex_rdeeprom_read(struct file *file, char __user *ubuf,
 				  (u16) saved_bytes, value);
 	if (ret) {
 		ret = -EINVAL;
-		goto done;
+		goto out_free;
 	}
 
-	pos += snprintf(buf, PAGE_SIZE, "%d %d ", saved_offset, saved_bytes);
+	pos = snprintf(buf, PAGE_SIZE, "%d %d ", saved_offset, saved_bytes);
 
 	for (i = 0; i < saved_bytes; i++)
-		pos += snprintf(buf + strlen(buf), PAGE_SIZE, "%d ", value[i]);
-
-	ret = simple_read_from_buffer(ubuf, count, ppos, buf, pos);
+		pos += scnprintf(buf + pos, PAGE_SIZE - pos, "%d ", value[i]);
 
 done:
+	ret = simple_read_from_buffer(ubuf, count, ppos, buf, pos);
+out_free:
 	free_page(addr);
 	return ret;
 }
@@ -856,6 +856,56 @@ mwifiex_hscfg_read(struct file *file, char __user *ubuf,
 	return ret;
 }
 
+static ssize_t
+mwifiex_timeshare_coex_read(struct file *file, char __user *ubuf,
+			    size_t count, loff_t *ppos)
+{
+	struct mwifiex_private *priv = file->private_data;
+	char buf[3];
+	bool timeshare_coex;
+	int ret;
+	unsigned int len;
+
+	if (priv->adapter->fw_api_ver != MWIFIEX_FW_V15)
+		return -EOPNOTSUPP;
+
+	ret = mwifiex_send_cmd(priv, HostCmd_CMD_ROBUST_COEX,
+			       HostCmd_ACT_GEN_GET, 0, &timeshare_coex, true);
+	if (ret)
+		return ret;
+
+	len = sprintf(buf, "%d\n", timeshare_coex);
+	return simple_read_from_buffer(ubuf, count, ppos, buf, len);
+}
+
+static ssize_t
+mwifiex_timeshare_coex_write(struct file *file, const char __user *ubuf,
+			     size_t count, loff_t *ppos)
+{
+	bool timeshare_coex;
+	struct mwifiex_private *priv = file->private_data;
+	char kbuf[16];
+	int ret;
+
+	if (priv->adapter->fw_api_ver != MWIFIEX_FW_V15)
+		return -EOPNOTSUPP;
+
+	memset(kbuf, 0, sizeof(kbuf));
+
+	if (copy_from_user(&kbuf, ubuf, min_t(size_t, sizeof(kbuf) - 1, count)))
+		return -EFAULT;
+
+	if (strtobool(kbuf, &timeshare_coex))
+		return -EINVAL;
+
+	ret = mwifiex_send_cmd(priv, HostCmd_CMD_ROBUST_COEX,
+			       HostCmd_ACT_GEN_SET, 0, &timeshare_coex, true);
+	if (ret)
+		return ret;
+	else
+		return count;
+}
+
 #define MWIFIEX_DFS_ADD_FILE(name) do {                                 \
 	if (!debugfs_create_file(#name, 0644, priv->dfs_dev_dir,        \
 			priv, &mwifiex_dfs_##name##_fops))              \
@@ -892,6 +942,7 @@ MWIFIEX_DFS_FILE_OPS(memrw);
 MWIFIEX_DFS_FILE_OPS(hscfg);
 MWIFIEX_DFS_FILE_OPS(histogram);
 MWIFIEX_DFS_FILE_OPS(debug_mask);
+MWIFIEX_DFS_FILE_OPS(timeshare_coex);
 
 /*
  * This function creates the debug FS directory structure and the files.
@@ -918,6 +969,7 @@ mwifiex_dev_debugfs_init(struct mwifiex_private *priv)
 	MWIFIEX_DFS_ADD_FILE(hscfg);
 	MWIFIEX_DFS_ADD_FILE(histogram);
 	MWIFIEX_DFS_ADD_FILE(debug_mask);
+	MWIFIEX_DFS_ADD_FILE(timeshare_coex);
 }
 
 /*