1 files changed, 43 insertions, 0 deletions

diff --git a/drivers/net/wireless/ti/wl18xx/debugfs.c b/drivers/net/wireless/ti/wl18xx/debugfs.c
index 7f1669cdea09..c93fae95baac 100644
--- a/drivers/net/wireless/ti/wl18xx/debugfs.c
+++ b/drivers/net/wireless/ti/wl18xx/debugfs.c
@@ -22,9 +22,12 @@
 
 #include "../wlcore/debugfs.h"
 #include "../wlcore/wlcore.h"
+#include "../wlcore/debug.h"
+#include "../wlcore/ps.h"
 
 #include "wl18xx.h"
 #include "acx.h"
+#include "cmd.h"
 #include "debugfs.h"
 
 #define WL18XX_DEBUGFS_FWSTATS_FILE(a, b, c) \
@@ -239,6 +242,45 @@ static const struct file_operations clear_fw_stats_ops = {
         .llseek = default_llseek,
 };
 
+static ssize_t radar_detection_write(struct file *file,
+                                     const char __user *user_buf,
+                                     size_t count, loff_t *ppos)
+{
+        struct wl1271 *wl = file->private_data;
+        int ret;
+        u8 channel;
+
+        ret = kstrtou8_from_user(user_buf, count, 10, &channel);
+        if (ret < 0) {
+                wl1271_warning("illegal channel");
+                return -EINVAL;
+        }
+
+        mutex_lock(&wl->mutex);
+
+        if (unlikely(wl->state != WLCORE_STATE_ON))
+                goto out;
+
+        ret = wl1271_ps_elp_wakeup(wl);
+        if (ret < 0)
+                goto out;
+
+        ret = wl18xx_cmd_radar_detection_debug(wl, channel);
+        if (ret < 0)
+                count = ret;
+
+        wl1271_ps_elp_sleep(wl);
+out:
+        mutex_unlock(&wl->mutex);
+        return count;
+}
+
+static const struct file_operations radar_detection_ops = {
+        .write = radar_detection_write,
+        .open = simple_open,
+        .llseek = default_llseek,
+};
+
 int wl18xx_debugfs_add_files(struct wl1271 *wl,
                              struct dentry *rootdir)
 {
@@ -390,6 +432,7 @@ int wl18xx_debugfs_add_files(struct wl1271 *wl,
         DEBUGFS_FWSTATS_ADD(mem, fw_gen_free_mem_blks);
 
         DEBUGFS_ADD(conf, moddir);
+        DEBUGFS_ADD(radar_detection, moddir);
 
         return 0;