From eedc2a319154a64f5ca7f281c92b7af3691fe73c Mon Sep 17 00:00:00 2001
From: Dan Williams <dcbw@redhat.com>
Date: Thu, 2 Aug 2007 11:36:22 -0400
Subject: [PATCH] [PATCH] libertas: move generic firmware reset command to
 common code

It's not USB specific, so move it out of the USB interface code.

Signed-off-by: Dan Williams <dcbw@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/libertas/decl.h   |  2 +-
 drivers/net/wireless/libertas/if_usb.c | 30 +++++++++-----------------
 drivers/net/wireless/libertas/main.c   | 14 ++++++++++++
 3 files changed, 25 insertions(+), 21 deletions(-)

diff --git a/drivers/net/wireless/libertas/decl.h b/drivers/net/wireless/libertas/decl.h
index 40f56bb1eac8..846e79a77f67 100644
--- a/drivers/net/wireless/libertas/decl.h
+++ b/drivers/net/wireless/libertas/decl.h
@@ -86,6 +86,6 @@ int libertas_activate_card(wlan_private *priv, char *fw_name);
 int libertas_remove_card(wlan_private *priv);
 int libertas_add_mesh(wlan_private *priv, struct device *dev);
 void libertas_remove_mesh(wlan_private *priv);
-
+int libertas_reset_device(wlan_private *priv);
 
 #endif				/* _WLAN_DECL_H_ */
diff --git a/drivers/net/wireless/libertas/if_usb.c b/drivers/net/wireless/libertas/if_usb.c
index a3334f63a80d..e38fce73cf74 100644
--- a/drivers/net/wireless/libertas/if_usb.c
+++ b/drivers/net/wireless/libertas/if_usb.c
@@ -15,6 +15,7 @@
 #include "defs.h"
 #include "dev.h"
 #include "if_usb.h"
+#include "decl.h"
 
 #define MESSAGE_HEADER_LEN	4
 
@@ -44,7 +45,6 @@ MODULE_DEVICE_TABLE(usb, if_usb_table);
 
 static void if_usb_receive(struct urb *urb);
 static void if_usb_receive_fwload(struct urb *urb);
-static int if_usb_reset_device(wlan_private *priv);
 static int if_usb_register_dev(wlan_private * priv);
 static int if_usb_unregister_dev(wlan_private *);
 static int if_usb_prog_firmware(wlan_private *);
@@ -355,17 +355,20 @@ static int if_prog_firmware(wlan_private * priv)
 	return 0;
 }
 
-static int libertas_do_reset(wlan_private *priv)
+static int if_usb_reset_device(wlan_private *priv)
 {
 	int ret;
 	struct usb_card_rec *cardp = priv->card;
 
 	lbs_deb_enter(LBS_DEB_USB);
 
+	/* Try a USB port reset first, if that fails send the reset
+	 * command to the firmware.
+	 */
 	ret = usb_reset_device(cardp->udev);
 	if (!ret) {
 		msleep(10);
-		if_usb_reset_device(priv);
+		ret = libertas_reset_device(priv);
 		msleep(10);
 	}
 
@@ -753,19 +756,6 @@ static int if_usb_read_event_cause(wlan_private * priv)
 	return 0;
 }
 
-static int if_usb_reset_device(wlan_private *priv)
-{
-	int ret;
-
-	lbs_deb_enter(LBS_DEB_USB);
-	ret = libertas_prepare_and_send_command(priv, CMD_802_11_RESET,
-				    CMD_ACT_HALT, 0, 0, NULL);
-	msleep_interruptible(10);
-
-	lbs_deb_leave_args(LBS_DEB_USB, "ret %d", ret);
-	return ret;
-}
-
 static int if_usb_unregister_dev(wlan_private * priv)
 {
 	int ret = 0;
@@ -775,7 +765,7 @@ static int if_usb_unregister_dev(wlan_private * priv)
 	 * again.
 	 */
 	if (priv)
-		if_usb_reset_device(priv);
+		libertas_reset_device(priv);
 
 	return ret;
 }
@@ -862,7 +852,7 @@ static int if_usb_prog_firmware(wlan_private * priv)
 
 	if (cardp->bootcmdresp == 0) {
 		if (--reset_count >= 0) {
-			libertas_do_reset(priv);
+			if_usb_reset_device(priv);
 			goto restart;
 		}
 		return -1;
@@ -892,7 +882,7 @@ static int if_usb_prog_firmware(wlan_private * priv)
 	if (!cardp->fwdnldover) {
 		lbs_pr_info("failed to load fw, resetting device!\n");
 		if (--reset_count >= 0) {
-			libertas_do_reset(priv);
+			if_usb_reset_device(priv);
 			goto restart;
 		}
 
@@ -995,7 +985,7 @@ static void if_usb_exit_module(void)
 	lbs_deb_enter(LBS_DEB_MAIN);
 
 	list_for_each_entry_safe(cardp, cardp_temp, &usb_devices, list)
-		if_usb_reset_device((wlan_private *) cardp->priv);
+		libertas_reset_device((wlan_private *) cardp->priv);
 
 	/* API unregisters the driver from USB subsystem */
 	usb_deregister(&if_usb_driver);
diff --git a/drivers/net/wireless/libertas/main.c b/drivers/net/wireless/libertas/main.c
index b9e4bf293224..589c583ddbeb 100644
--- a/drivers/net/wireless/libertas/main.c
+++ b/drivers/net/wireless/libertas/main.c
@@ -1157,6 +1157,20 @@ void libertas_interrupt(struct net_device *dev)
 }
 EXPORT_SYMBOL_GPL(libertas_interrupt);
 
+int libertas_reset_device(wlan_private *priv)
+{
+	int ret;
+
+	lbs_deb_enter(LBS_DEB_MAIN);
+	ret = libertas_prepare_and_send_command(priv, CMD_802_11_RESET,
+				    CMD_ACT_HALT, 0, 0, NULL);
+	msleep_interruptible(10);
+
+	lbs_deb_leave_args(LBS_DEB_MAIN, "ret %d", ret);
+	return ret;
+}
+EXPORT_SYMBOL_GPL(libertas_reset_device);
+
 static int libertas_init_module(void)
 {
 	lbs_deb_enter(LBS_DEB_MAIN);
-- 
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