From 6b347bff145f9a8a0972ca8fc3c44dd1f91b0f16 Mon Sep 17 00:00:00 2001
From: Ivo van Doorn <ivdoorn@gmail.com>
Date: Sat, 23 May 2009 21:09:28 +0200
Subject: [PATCH] rt2x00: Remove last usage of beacon_int from ieee80211_config

This removes the last usage of beacon_int inside the iee80211_config
structure from rt2x00. The attempt is a bit hackish, and subject to
change in the future when the entire rt2x00_dev structure is
cleaned up and restructured.

Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/rt2x00/rt2400pci.c    | 2 +-
 drivers/net/wireless/rt2x00/rt2500pci.c    | 2 +-
 drivers/net/wireless/rt2x00/rt2500usb.c    | 2 +-
 drivers/net/wireless/rt2x00/rt2x00.h       | 5 +++++
 drivers/net/wireless/rt2x00/rt2x00config.c | 3 +++
 drivers/net/wireless/rt2x00/rt61pci.c      | 2 +-
 drivers/net/wireless/rt2x00/rt73usb.c      | 2 +-
 7 files changed, 13 insertions(+), 5 deletions(-)

diff --git a/drivers/net/wireless/rt2x00/rt2400pci.c b/drivers/net/wireless/rt2x00/rt2400pci.c
index 0197531bd88c..435f945fe64d 100644
--- a/drivers/net/wireless/rt2x00/rt2400pci.c
+++ b/drivers/net/wireless/rt2x00/rt2400pci.c
@@ -520,7 +520,7 @@ static void rt2400pci_config_ps(struct rt2x00_dev *rt2x00dev,
 	if (state == STATE_SLEEP) {
 		rt2x00pci_register_read(rt2x00dev, CSR20, &reg);
 		rt2x00_set_field32(&reg, CSR20_DELAY_AFTER_TBCN,
-				   (libconf->conf->beacon_int - 20) * 16);
+				   (rt2x00dev->beacon_int - 20) * 16);
 		rt2x00_set_field32(&reg, CSR20_TBCN_BEFORE_WAKEUP,
 				   libconf->conf->listen_interval - 1);
 
diff --git a/drivers/net/wireless/rt2x00/rt2500pci.c b/drivers/net/wireless/rt2x00/rt2500pci.c
index f95cb646f85a..08b30d01e67d 100644
--- a/drivers/net/wireless/rt2x00/rt2500pci.c
+++ b/drivers/net/wireless/rt2x00/rt2500pci.c
@@ -569,7 +569,7 @@ static void rt2500pci_config_ps(struct rt2x00_dev *rt2x00dev,
 	if (state == STATE_SLEEP) {
 		rt2x00pci_register_read(rt2x00dev, CSR20, &reg);
 		rt2x00_set_field32(&reg, CSR20_DELAY_AFTER_TBCN,
-				   (libconf->conf->beacon_int - 20) * 16);
+				   (rt2x00dev->beacon_int - 20) * 16);
 		rt2x00_set_field32(&reg, CSR20_TBCN_BEFORE_WAKEUP,
 				   libconf->conf->listen_interval - 1);
 
diff --git a/drivers/net/wireless/rt2x00/rt2500usb.c b/drivers/net/wireless/rt2x00/rt2500usb.c
index 69f966f1ce54..66daf68ff0ee 100644
--- a/drivers/net/wireless/rt2x00/rt2500usb.c
+++ b/drivers/net/wireless/rt2x00/rt2500usb.c
@@ -647,7 +647,7 @@ static void rt2500usb_config_ps(struct rt2x00_dev *rt2x00dev,
 	if (state == STATE_SLEEP) {
 		rt2500usb_register_read(rt2x00dev, MAC_CSR18, &reg);
 		rt2x00_set_field16(&reg, MAC_CSR18_DELAY_AFTER_BEACON,
-				   libconf->conf->beacon_int - 20);
+				   rt2x00dev->beacon_int - 20);
 		rt2x00_set_field16(&reg, MAC_CSR18_BEACONS_BEFORE_WAKEUP,
 				   libconf->conf->listen_interval - 1);
 
diff --git a/drivers/net/wireless/rt2x00/rt2x00.h b/drivers/net/wireless/rt2x00/rt2x00.h
index 2b64a6198698..a498dde024e1 100644
--- a/drivers/net/wireless/rt2x00/rt2x00.h
+++ b/drivers/net/wireless/rt2x00/rt2x00.h
@@ -801,6 +801,11 @@ struct rt2x00_dev {
 	 */
 	u8 calibration[2];
 
+	/*
+	 * Beacon interval.
+	 */
+	u16 beacon_int;
+
 	/*
 	 * Low level statistics which will have
 	 * to be kept up to date while device is running.
diff --git a/drivers/net/wireless/rt2x00/rt2x00config.c b/drivers/net/wireless/rt2x00/rt2x00config.c
index c5bbf0b6e207..3e019a12df2e 100644
--- a/drivers/net/wireless/rt2x00/rt2x00config.c
+++ b/drivers/net/wireless/rt2x00/rt2x00config.c
@@ -108,6 +108,9 @@ void rt2x00lib_config_erp(struct rt2x00_dev *rt2x00dev,
 	erp.basic_rates = bss_conf->basic_rates;
 	erp.beacon_int = bss_conf->beacon_int;
 
+	/* Update global beacon interval time, this is needed for PS support */
+	rt2x00dev->beacon_int = bss_conf->beacon_int;
+
 	rt2x00dev->ops->lib->config_erp(rt2x00dev, &erp);
 }
 
diff --git a/drivers/net/wireless/rt2x00/rt61pci.c b/drivers/net/wireless/rt2x00/rt61pci.c
index a8bf5c432858..49b29ff90c47 100644
--- a/drivers/net/wireless/rt2x00/rt61pci.c
+++ b/drivers/net/wireless/rt2x00/rt61pci.c
@@ -956,7 +956,7 @@ static void rt61pci_config_ps(struct rt2x00_dev *rt2x00dev,
 	if (state == STATE_SLEEP) {
 		rt2x00pci_register_read(rt2x00dev, MAC_CSR11, &reg);
 		rt2x00_set_field32(&reg, MAC_CSR11_DELAY_AFTER_TBCN,
-				   libconf->conf->beacon_int - 10);
+				   rt2x00dev->beacon_int - 10);
 		rt2x00_set_field32(&reg, MAC_CSR11_TBCN_BEFORE_WAKEUP,
 				   libconf->conf->listen_interval - 1);
 		rt2x00_set_field32(&reg, MAC_CSR11_WAKEUP_LATENCY, 5);
diff --git a/drivers/net/wireless/rt2x00/rt73usb.c b/drivers/net/wireless/rt2x00/rt73usb.c
index 211a3d6bc054..c18848836f2d 100644
--- a/drivers/net/wireless/rt2x00/rt73usb.c
+++ b/drivers/net/wireless/rt2x00/rt73usb.c
@@ -852,7 +852,7 @@ static void rt73usb_config_ps(struct rt2x00_dev *rt2x00dev,
 	if (state == STATE_SLEEP) {
 		rt2x00usb_register_read(rt2x00dev, MAC_CSR11, &reg);
 		rt2x00_set_field32(&reg, MAC_CSR11_DELAY_AFTER_TBCN,
-				   libconf->conf->beacon_int - 10);
+				   rt2x00dev->beacon_int - 10);
 		rt2x00_set_field32(&reg, MAC_CSR11_TBCN_BEFORE_WAKEUP,
 				   libconf->conf->listen_interval - 1);
 		rt2x00_set_field32(&reg, MAC_CSR11_WAKEUP_LATENCY, 5);
-- 
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