1 files changed, 33 insertions, 1 deletions

diff --git a/drivers/net/wireless/ath/ath9k/debug.c b/drivers/net/wireless/ath/ath9k/debug.c
index 6727b566d29..a8be94b2a53 100644
--- a/drivers/net/wireless/ath/ath9k/debug.c
+++ b/drivers/net/wireless/ath/ath9k/debug.c
@@ -1586,6 +1586,35 @@ static const struct file_operations fops_samps = {
 
 #endif
 
+#ifdef CONFIG_ATH9K_BTCOEX_SUPPORT
+static ssize_t read_file_btcoex(struct file *file, char __user *user_buf,
+                                size_t count, loff_t *ppos)
+{
+        struct ath_softc *sc = file->private_data;
+        u32 len = 0, size = 1500;
+        char *buf;
+        size_t retval;
+
+        buf = kzalloc(size, GFP_KERNEL);
+        if (buf == NULL)
+                return -ENOMEM;
+
+        len = ath9k_dump_btcoex(sc, buf, len, size);
+
+        retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
+        kfree(buf);
+
+        return retval;
+}
+
+static const struct file_operations fops_btcoex = {
+        .read = read_file_btcoex,
+        .open = simple_open,
+        .owner = THIS_MODULE,
+        .llseek = default_llseek,
+};
+#endif
+
 int ath9k_init_debug(struct ath_hw *ah)
 {
         struct ath_common *common = ath9k_hw_common(ah);
@@ -1658,6 +1687,9 @@ int ath9k_init_debug(struct ath_hw *ah)
                            sc->debug.debugfs_phy, &sc->sc_ah->gpio_val);
         debugfs_create_file("diversity", S_IRUSR | S_IWUSR,
                             sc->debug.debugfs_phy, sc, &fops_ant_diversity);
-
+#ifdef CONFIG_ATH9K_BTCOEX_SUPPORT
+        debugfs_create_file("btcoex", S_IRUSR, sc->debug.debugfs_phy, sc,
+                            &fops_btcoex);
+#endif
         return 0;
 }