[PATCH 2/2] rtl8xxxu: Add debugfs for RCR register

[Bruno Randolf]

Signed-off-by: Bruno Randolf <b...@einfach.org>
---
 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c | 32 ++++++++++++++++++++++++
 1 file changed, 32 insertions(+)

diff --git a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c 
b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c
index 3b5a885..b9b779b 100644
--- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c
+++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c
@@ -37,6 +37,7 @@
 #include <linux/firmware.h>
 #include <linux/moduleparam.h>
 #include <net/mac80211.h>
+#include <linux/debugfs.h>
 #include "rtl8xxxu.h"
 #include "rtl8xxxu_regs.h"
 
@@ -5640,6 +5641,35 @@ exit:
        return ret;
 }
 
+static int
+rtl8xxxu_rcr_write(void *data, u64 val)
+{
+       struct rtl8xxxu_priv *priv = data;
+       rtl8xxxu_write32(priv, REG_RCR, val);
+       return 0;
+}
+
+static int
+rtl8xxxu_rcr_read(void *data, u64 *val)
+{
+       struct rtl8xxxu_priv *priv = data;
+       *val = rtl8xxxu_read32(priv, REG_RCR);
+       return 0;
+}
+
+DEFINE_SIMPLE_ATTRIBUTE(fops_rcr, rtl8xxxu_rcr_read, rtl8xxxu_rcr_write, 
"0x%08llx\n");
+
+void rtl8xxxu_init_debugfs(struct rtl8xxxu_priv *priv)
+{
+       struct dentry *dir;
+
+       dir = debugfs_create_dir("rtl8xxxu", priv->hw->wiphy->debugfsdir);
+       if (!dir)
+               return;
+
+       debugfs_create_file("rcr", S_IRUSR | S_IWUSR, dir, priv, &fops_rcr);
+}
+
 static int rtl8xxxu_probe(struct usb_interface *interface,
                          const struct usb_device_id *id)
 {
@@ -5781,6 +5811,8 @@ static int rtl8xxxu_probe(struct usb_interface *interface,
                goto exit;
        }
 
+       rtl8xxxu_init_debugfs(priv);
+
 exit:
        if (ret < 0)
                usb_put_dev(udev);
-- 
1.9.1

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