Staging: add rtl8192SU wireless usb driver

Driver from Realtek for the Realtek RTL8192 USB wifi device

Based on the r8187 driver from Andrea Merello <andreamrl@tiscali.it> and
others.

Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 77 insertions, 0 deletions

diff --git a/drivers/staging/rtl8192su/r8192U_pm.c b/drivers/staging/rtl8192su/r8192U_pm.c
new file mode 100644
index 00000000000..92c95aa3663
--- /dev/null
+++ b/drivers/staging/rtl8192su/r8192U_pm.c
@@ -0,0 +1,77 @@
+/*
+   Power management interface routines.
+   Written by Mariusz Matuszek.
+   This code is currently just a placeholder for later work and
+   does not do anything useful.
+
+   This is part of rtl8180 OpenSource driver.
+   Copyright (C) Andrea Merello 2004  <andreamrl@tiscali.it>
+   Released under the terms of GPL (General Public Licence)
+*/
+
+#ifdef CONFIG_RTL8192_PM
+#include "r8192U.h"
+#include "r8192U_pm.h"
+
+/*****************************************************************************/
+int rtl8192U_save_state (struct pci_dev *dev, u32 state)
+{
+	printk(KERN_NOTICE "r8192U save state call (state %u).\n", state);
+	return(-EAGAIN);
+}
+
+int rtl8192U_suspend(struct usb_interface *intf, pm_message_t state)
+{
+#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0)
+	struct net_device *dev = usb_get_intfdata(intf);
+#else
+	//struct net_device *dev = (struct net_device *)ptr;
+#endif
+	RT_TRACE(COMP_POWER, "============> r8192U suspend call.\n");
+
+	if(dev) {
+		 if (!netif_running(dev)) {
+		      printk(KERN_WARNING "netif not running, go out suspend function\n");
+		      return 0;
+		 }
+
+		dev->stop(dev);
+		mdelay(10);
+
+		netif_device_detach(dev);
+	}
+
+	return 0;
+}
+
+int rtl8192U_resume (struct usb_interface *intf)
+{
+#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0)
+	struct net_device *dev = usb_get_intfdata(intf);
+#else
+	//struct net_device *dev = (struct net_device *)ptr;
+#endif
+
+	RT_TRACE(COMP_POWER, "================>r8192U resume call.");
+
+	if(dev) {
+		if (!netif_running(dev)){
+			printk(KERN_WARNING "netif not running, go out resume function\n");
+			return 0;
+		}
+
+		netif_device_attach(dev);
+		dev->open(dev);
+	}
+
+        return 0;
+}
+
+int rtl8192U_enable_wake (struct pci_dev *dev, u32 state, int enable)
+{
+	printk(KERN_NOTICE "r8192U enable wake call (state %u, enable %d).\n",
+			state, enable);
+	return(-EAGAIN);
+}
+
+#endif //CONFIG_RTL8192_PM