[PATCH 26/49] Staging: wlan-ng: Eliminate more <2.6 kernel support.

[Greg KH <greg@kroah.com>]

From: Solomon Peachy <pizza@shaftnet.org>

Signed-off-by: Solomon Peachy <pizza@shaftnet.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/staging/wlan-ng/hfa384x_usb.c  |   86 +----------------------------
 drivers/staging/wlan-ng/p80211mod.c    |   13 ----
 drivers/staging/wlan-ng/p80211netdev.c |   95 --------------------------------
 drivers/staging/wlan-ng/p80211netdev.h |   25 --------
 drivers/staging/wlan-ng/prism2sta.c    |   10 ---
 drivers/staging/wlan-ng/wlan_compat.h  |    4 -
 6 files changed, 1 insertions(+), 232 deletions(-)

diff --git a/drivers/staging/wlan-ng/hfa384x_usb.c b/drivers/staging/wlan-ng/hfa384x_usb.c
index 376ba58..2cd376e 100644
--- a/drivers/staging/wlan-ng/hfa384x_usb.c
+++ b/drivers/staging/wlan-ng/hfa384x_usb.c
@@ -171,23 +171,7 @@ out:
 }
 #endif
 
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,69)
-static void
-usb_init_urb(struct urb *urb)
-{
-	memset(urb, 0, sizeof(*urb));
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0) /* tune me! */
-	urb->count = (atomic_t)ATOMIC_INIT(1);
-#endif
-	spin_lock_init(&urb->lock);
-}
-#endif
-
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0) /* tune me! */
-#  define SUBMIT_URB(u,f)  usb_submit_urb(u,f)
-#else
-#  define SUBMIT_URB(u,f)  usb_submit_urb(u)
-#endif
+#define SUBMIT_URB(u,f)  usb_submit_urb(u,f)
 
 /*================================================================*/
 /* Project Includes */
@@ -1594,78 +1578,10 @@ hfa384x_copy_to_aux(
 ----------------------------------------------------------------*/
 int hfa384x_corereset(hfa384x_t *hw, int holdtime, int settletime, int genesis)
 {
-#if 0
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0))
-	struct usb_device	*parent = hw->usb->parent;
-	int			i;
-	int			port = -1;
-#endif
-#endif
 	int 			result = 0;
 
-
-#define P2_USB_RT_PORT		(USB_TYPE_CLASS | USB_RECIP_OTHER)
-#define P2_USB_FEAT_RESET	4
-#define P2_USB_FEAT_C_RESET	20
-
 	DBFENTER;
 
-#if 0
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0))
-	/* Find the hub port */
-	for ( i = 0; i < parent->maxchild; i++) {
-		if (parent->children[i] == hw->usb) {
-			port = i;
-			break;
-		}
-	}
-	if (port < 0) return -ENOENT;
-
-	/* Set and clear the reset */
-	usb_control_msg(parent, usb_sndctrlpipe(parent, 0),
-		USB_REQ_SET_FEATURE, P2_USB_RT_PORT, P2_USB_FEAT_RESET,
-		port+1, NULL, 0, 1*HZ);
-	wait_ms(holdtime);
-	usb_control_msg(parent, usb_sndctrlpipe(parent, 0),
-		USB_REQ_CLEAR_FEATURE, P2_USB_RT_PORT, P2_USB_FEAT_C_RESET,
-		port+1, NULL, 0, 1*HZ);
-	wait_ms(settletime);
-
-	/* Set the device address */
-	result=usb_set_address(hw->usb);
-	if (result < 0) {
-		WLAN_LOG_ERROR("reset_usbdev: Dev not accepting address, "
-			"result=%d\n", result);
-		clear_bit(hw->usb->devnum, &hw->usb->bus->devmap.devicemap);
-		hw->usb->devnum = -1;
-		goto done;
-	}
-	/* Let the address settle */
-	wait_ms(20);
-
-	/* Assume we're reusing the original descriptor data */
-
-	/* Set the configuration. */
-	WLAN_LOG_DEBUG(3, "Setting Configuration %d\n",
-		hw->usb->config[0].bConfigurationValue);
-	result=usb_set_configuration(hw->usb, hw->usb->config[0].bConfigurationValue);
-	if ( result ) {
-		WLAN_LOG_ERROR("usb_set_configuration() failed, result=%d.\n",
-				result);
-		goto done;
-	}
-	/* Let the configuration settle */
-	wait_ms(20);
-
- done:
-#else
-	result=usb_reset_device(hw->usb);
-	if(result<0) {
-		WLAN_LOG_ERROR("usb_reset_device() failed, result=%d.\n",result);
-	}
-#endif
-#endif
-
 	result=usb_reset_device(hw->usb);
 	if(result<0) {
 		WLAN_LOG_ERROR("usb_reset_device() failed, result=%d.\n",result);
diff --git a/drivers/staging/wlan-ng/p80211mod.c b/drivers/staging/wlan-ng/p80211mod.c
index 605c11b..d1add78 100644
--- a/drivers/staging/wlan-ng/p80211mod.c
+++ b/drivers/staging/wlan-ng/p80211mod.c
@@ -60,9 +60,7 @@
 #include <linux/version.h>
 
 #include <linux/module.h>
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,25))
 #include <linux/moduleparam.h>
-#endif
 
 #include <linux/kernel.h>
 #include <linux/sched.h>
@@ -154,14 +152,7 @@ int init_module(void)
 {
         DBFENTER;
 
-#if 0
-        printk(KERN_NOTICE "%s (%s) Loaded\n", version, WLAN_BUILD_DATE);
-#endif
-
 	p80211netdev_startup();
-#ifdef CONFIG_HOTPLUG
-	p80211_run_sbin_hotplug(NULL, WLAN_HOTPLUG_STARTUP);
-#endif
 
         DBFEXIT;
         return 0;
@@ -191,11 +182,7 @@ void cleanup_module(void)
 {
         DBFENTER;
 
-#ifdef CONFIG_HOTPLUG
-	p80211_run_sbin_hotplug(NULL, WLAN_HOTPLUG_SHUTDOWN);
-#endif
 	p80211netdev_shutdown();
-        printk(KERN_NOTICE "%s Unloaded\n", version);
 
         DBFEXIT;
         return;
diff --git a/drivers/staging/wlan-ng/p80211netdev.c b/drivers/staging/wlan-ng/p80211netdev.c
index 11f84a8..2b3abba 100644
--- a/drivers/staging/wlan-ng/p80211netdev.c
+++ b/drivers/staging/wlan-ng/p80211netdev.c
@@ -285,9 +285,6 @@ static int p80211knetdev_open( netdevice_t *netdev )
 	if ( wlandev->open != NULL) {
 		result = wlandev->open(wlandev);
 		if ( result == 0 ) {
-#if ( LINUX_VERSION_CODE < KERNEL_VERSION(2,3,43) )
-			netdev->interrupt = 0;
-#endif
 			p80211netdev_start_queue(wlandev);
 			wlandev->state = WLAN_DEVICE_OPEN;
 		}
@@ -478,15 +475,6 @@ static int p80211knetdev_hard_start_xmit( struct sk_buff *skb, netdevice_t *netd
 	memset(&p80211_hdr, 0, sizeof(p80211_hdr_t));
 	memset(&p80211_wep, 0, sizeof(p80211_metawep_t));
 
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,3,38) )
-	if ( test_and_set_bit(0, (void*)&(netdev->tbusy)) != 0 ) {
-		/* We've been called w/ tbusy set, has the tx */
-		/* path stalled?   */
-		WLAN_LOG_DEBUG(1, "called when tbusy set\n");
-		result = 1;
-		goto failed;
-	}
-#else
 	if ( netif_queue_stopped(netdev) ) {
 		WLAN_LOG_DEBUG(1, "called when queue stopped.\n");
 		result = 1;
@@ -495,12 +483,6 @@ static int p80211knetdev_hard_start_xmit( struct sk_buff *skb, netdevice_t *netd
 
 	netif_stop_queue(netdev);
 
-	/* No timeout handling here, 2.3.38+ kernels call the
-	 * timeout function directly.
-	 * TODO: Add timeout handling.
-	*/
-#endif
-
 	/* Check to see that a valid mode is set */
 	switch( wlandev->macmode ) {
 	case WLAN_MACMODE_IBSS_STA:
@@ -792,15 +774,9 @@ static int p80211knetdev_set_mac_address(netdevice_t *dev, void *addr)
 
 	DBFENTER;
 	/* If we're running, we don't allow MAC address changes */
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,3,38) )
-	if ( dev->start) {
-		return -EBUSY;
-	}
-#else
 	if (netif_running(dev)) {
 		return -EBUSY;
 	}
-#endif
 
 	/* Set up some convenience pointers. */
 	mibattr = &dot11req.mibattribute;
@@ -939,12 +915,7 @@ int wlan_setup(wlandevice_t *wlandev)
 #endif
 #endif
 
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,3,38) )
-		dev->tbusy = 1;
-		dev->start = 0;
-#else
 		netif_stop_queue(dev);
-#endif
 #ifdef HAVE_CHANGE_MTU
 		dev->change_mtu = wlan_change_mtu;
 #endif
@@ -1039,11 +1010,7 @@ int register_wlandev(wlandevice_t *wlandev)
 		return -EIO;
 	}
 
-#if ( LINUX_VERSION_CODE < KERNEL_VERSION(2,4,0) )
-	dev->name = wlandev->name;
-#else
 	strcpy(wlandev->name, dev->name);
-#endif
 
 #ifdef CONFIG_PROC_FS
 	if (proc_p80211) {
@@ -1062,10 +1029,6 @@ int register_wlandev(wlandevice_t *wlandev)
 	}
 #endif
 
-#ifdef CONFIG_HOTPLUG
-	p80211_run_sbin_hotplug(wlandev, WLAN_HOTPLUG_REGISTER);
-#endif
-
 	DBFEXIT;
 	return 0;
 }
@@ -1094,10 +1057,6 @@ int unregister_wlandev(wlandevice_t *wlandev)
 
 	DBFENTER;
 
-#ifdef CONFIG_HOTPLUG
-	p80211_run_sbin_hotplug(wlandev, WLAN_HOTPLUG_REMOVE);
-#endif
-
 #ifdef CONFIG_PROC_FS
 	if ( wlandev->procwlandev ) {
 		remove_proc_entry("wlandev", wlandev->procdir);
@@ -1416,61 +1375,11 @@ static int p80211_rx_typedrop( wlandevice_t *wlandev, UINT16 fc)
 	return drop;
 }
 
-#ifdef CONFIG_HOTPLUG
-/* Notify userspace when a netdevice event occurs,
- * by running '/sbin/hotplug net' with certain
- * environment variables set.
- */
-int p80211_run_sbin_hotplug(wlandevice_t *wlandev, char *action)
-{
-        char *argv[3], *envp[7], ifname[12 + IFNAMSIZ], action_str[32];
-	char nsdname[32], wlan_wext[32];
-        int i;
-
-	if (wlandev) {
-		sprintf(ifname, "INTERFACE=%s", wlandev->name);
-		sprintf(nsdname, "NSDNAME=%s", wlandev->nsdname);
-	} else {
-		sprintf(ifname, "INTERFACE=null");
-		sprintf(nsdname, "NSDNAME=null");
-	}
-
-	sprintf(wlan_wext, "WLAN_WEXT=%s", wlan_wext_write ? "y" : "");
-        sprintf(action_str, "ACTION=%s", action);
-
-        i = 0;
-        argv[i++] = hotplug_path;
-        argv[i++] = "wlan";
-        argv[i] = NULL;
-
-        i = 0;
-        /* minimal command environment */
-        envp [i++] = "HOME=/";
-        envp [i++] = "PATH=/sbin:/bin:/usr/sbin:/usr/bin";
-        envp [i++] = ifname;
-        envp [i++] = action_str;
-        envp [i++] = nsdname;
-        envp [i++] = wlan_wext;
-        envp [i] = NULL;
-
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,62))
-        return call_usermodehelper(argv [0], argv, envp);
-#else
-        return call_usermodehelper(argv [0], argv, envp, 0);
-#endif
-}
-
-#endif
-
 
 void    p80211_suspend(wlandevice_t *wlandev)
 {
 	DBFENTER;
 
-#ifdef CONFIG_HOTPLUG
-	p80211_run_sbin_hotplug(wlandev, WLAN_HOTPLUG_SUSPEND);
-#endif
-
 	DBFEXIT;
 }
 
@@ -1478,10 +1387,6 @@ void    p80211_resume(wlandevice_t *wlandev)
 {
 	DBFENTER;
 
-#ifdef CONFIG_HOTPLUG
-	p80211_run_sbin_hotplug(wlandev, WLAN_HOTPLUG_RESUME);
-#endif
-
 	DBFEXIT;
 }
 
diff --git a/drivers/staging/wlan-ng/p80211netdev.h b/drivers/staging/wlan-ng/p80211netdev.h
index 9b2e0cd..12b8730 100644
--- a/drivers/staging/wlan-ng/p80211netdev.h
+++ b/drivers/staging/wlan-ng/p80211netdev.h
@@ -289,12 +289,7 @@ p80211netdev_stop_queue(wlandevice_t *wlandev)
 {
 	if ( !wlandev ) return;
 	if ( !wlandev->netdev ) return;
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,3,38) )
-	wlandev->netdev->tbusy = 1;
-	wlandev->netdev->start = 0;
-#else
 	netif_stop_queue(wlandev->netdev);
-#endif
 }
 
 static inline void
@@ -302,12 +297,7 @@ p80211netdev_start_queue(wlandevice_t *wlandev)
 {
 	if ( !wlandev ) return;
 	if ( !wlandev->netdev ) return;
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,3,38) )
-	wlandev->netdev->tbusy = 0;
-	wlandev->netdev->start = 1;
-#else
 	netif_start_queue(wlandev->netdev);
-#endif
 }
 
 static inline void
@@ -315,22 +305,7 @@ p80211netdev_wake_queue(wlandevice_t *wlandev)
 {
 	if ( !wlandev ) return;
 	if ( !wlandev->netdev ) return;
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,3,38) )
-	wlandev->netdev->tbusy = 0;
-	mark_bh(NET_BH);
-#else
 	netif_wake_queue(wlandev->netdev);
-#endif
 }
 
-#ifdef CONFIG_HOTPLUG
-#define WLAN_HOTPLUG_REGISTER "register"
-#define WLAN_HOTPLUG_REMOVE   "remove"
-#define WLAN_HOTPLUG_STARTUP  "startup"
-#define WLAN_HOTPLUG_SHUTDOWN "shutdown"
-#define WLAN_HOTPLUG_SUSPEND "suspend"
-#define WLAN_HOTPLUG_RESUME "resume"
-int p80211_run_sbin_hotplug(wlandevice_t *wlandev, char *action);
-#endif
-
 #endif
diff --git a/drivers/staging/wlan-ng/prism2sta.c b/drivers/staging/wlan-ng/prism2sta.c
index 397143e..819dadd 100644
--- a/drivers/staging/wlan-ng/prism2sta.c
+++ b/drivers/staging/wlan-ng/prism2sta.c
@@ -56,14 +56,9 @@
 
 #include "version.h"
 
-
 #include <linux/version.h>
-
 #include <linux/module.h>
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,25))
 #include <linux/moduleparam.h>
-#endif
-
 #include <linux/kernel.h>
 #include <linux/sched.h>
 #include <linux/types.h>
@@ -71,12 +66,7 @@
 #include <linux/slab.h>
 #include <linux/wireless.h>
 #include <linux/netdevice.h>
-
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0))
-#include <linux/tqueue.h>
-#else
 #include <linux/workqueue.h>
-#endif
 
 #include <asm/io.h>
 #include <linux/delay.h>
diff --git a/drivers/staging/wlan-ng/wlan_compat.h b/drivers/staging/wlan-ng/wlan_compat.h
index 772d1a3..610078d 100644
--- a/drivers/staging/wlan-ng/wlan_compat.h
+++ b/drivers/staging/wlan-ng/wlan_compat.h
@@ -267,10 +267,6 @@ typedef struct net_device netdevice_t;
 typedef u32 pm_message_t;
 #endif
 
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,9))
-#define hotplug_path  "/etc/hotplug/wlan.agent"
-#endif
-
 #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,9))
 #define eth_hdr(x)           (x)->mac.ethernet
 #endif
-- 
1.6.0.2