staging: rtl8723au: Add warning about this driver being deprecated

This driver is deprecated and superseded by rtl8xxxu. It will be
removed in a future kernel release.

Add a warning to Kconfig and at device init time to notify users and
allow them time to switch over.

Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/rtl8723au/Kconfig b/drivers/staging/rtl8723au/Kconfig
index 435f359..277c1ab 100644 (file)
--- a/drivers/staging/rtl8723au/Kconfig
+++ b/drivers/staging/rtl8723au/Kconfig
@@ -1,5 +1,5 @@
 config R8723AU
-       tristate "Realtek RTL8723AU Wireless LAN NIC driver"
+       tristate "Realtek RTL8723AU Wireless LAN NIC driver (deprecated)"
        depends on USB && WLAN && RFKILL
        select WIRELESS_EXT
        select WEXT_PRIV
@@ -7,7 +7,10 @@ config R8723AU
        default n
        ---help---
        This option adds the Realtek RTL8723AU USB device such as found in
-       the Lenovo Yogi 13 tablet. If built as a module, it will be called r8723au.
+       the Lenovo Yoga 13 tablet. If built as a module, it will be called r8723au.
+
+       Note: This driver is deprecated and scheduled to be removed in a
+       future kernel release. Please use rtl8xxxu instead.
 
 if R8723AU
 

diff --git a/drivers/staging/rtl8723au/os_dep/usb_intf.c b/drivers/staging/rtl8723au/os_dep/usb_intf.c
index 27b3a5b..cf83eff 100644 (file)
--- a/drivers/staging/rtl8723au/os_dep/usb_intf.c
+++ b/drivers/staging/rtl8723au/os_dep/usb_intf.c
@@ -532,6 +532,7 @@ static int rtw_drv_init(struct usb_interface *pusb_intf,
 {
        struct rtw_adapter *if1 = NULL;
        struct dvobj_priv *dvobj;
+       struct usb_device *udev;
        int status = _FAIL;
 
        RT_TRACE(_module_hci_intfs_c_, _drv_err_, "+rtw_drv_init\n");
@@ -544,6 +545,10 @@ static int rtw_drv_init(struct usb_interface *pusb_intf,
                goto exit;
        }
 
+       udev = dvobj->pusbdev;
+       dev_warn(&udev->dev, "WARNING: The rtl8723au driver is deprecated!");
+       dev_warn(&udev->dev, "Please use the rtl8xxxu driver for this device!");
+
        if1 = rtw_usb_if1_init(dvobj, pusb_intf, pdid);
        if (!if1) {
                DBG_8723A("rtw_init_primary_adapter Failed!\n");