From: Michael Büsch <mb@bu3sch.de>
Date: Wed, 16 Nov 2011 22:26:12 +0000 (+0000)
Subject: p54spi: Lock fixes
X-Git-Url: http://git.openwrt.org/?p=openwrt%2Fsvn-archive%2Farchive.git;a=commitdiff_plain;h=090fb51fd541cf19963302f25ba650f9e6a45976

p54spi: Lock fixes


SVN-Revision: 29200
---

diff --git a/package/mac80211/patches/850-p54spi-lock-fix.patch b/package/mac80211/patches/850-p54spi-lock-fix.patch
new file mode 100644
index 0000000000..9ab15dd555
--- /dev/null
+++ b/package/mac80211/patches/850-p54spi-lock-fix.patch
@@ -0,0 +1,12 @@
+Index: compat-wireless-2011-11-04/drivers/net/wireless/p54/p54spi.c
+===================================================================
+--- compat-wireless-2011-11-04.orig/drivers/net/wireless/p54/p54spi.c	2011-11-05 20:30:04.000000000 +0100
++++ compat-wireless-2011-11-04/drivers/net/wireless/p54/p54spi.c	2011-11-16 22:12:03.648829886 +0100
+@@ -656,6 +656,7 @@ static int __devinit p54spi_probe(struct
+ 	init_completion(&priv->fw_comp);
+ 	INIT_LIST_HEAD(&priv->tx_pending);
+ 	mutex_init(&priv->mutex);
++	spin_lock_init(&priv->tx_lock);
+ 	SET_IEEE80211_DEV(hw, &spi->dev);
+ 	priv->common.open = p54spi_op_start;
+ 	priv->common.stop = p54spi_op_stop;
diff --git a/package/mac80211/patches/851-p54spi-mutex-fix.patch b/package/mac80211/patches/851-p54spi-mutex-fix.patch
new file mode 100644
index 0000000000..27019de654
--- /dev/null
+++ b/package/mac80211/patches/851-p54spi-mutex-fix.patch
@@ -0,0 +1,17 @@
+Index: compat-wireless-2011-11-04/drivers/net/wireless/p54/p54spi.c
+===================================================================
+--- compat-wireless-2011-11-04.orig/drivers/net/wireless/p54/p54spi.c	2011-11-16 22:12:03.648829886 +0100
++++ compat-wireless-2011-11-04/drivers/net/wireless/p54/p54spi.c	2011-11-16 22:15:28.931976935 +0100
+@@ -581,11 +581,7 @@ static void p54spi_op_stop(struct ieee80
+ 	struct p54s_priv *priv = dev->priv;
+ 	unsigned long flags;
+ 
+-	if (mutex_lock_interruptible(&priv->mutex)) {
+-		/* FIXME: how to handle this error? */
+-		return;
+-	}
+-
++	mutex_lock(&priv->mutex);
+ 	WARN_ON(priv->fw_state != FW_STATE_READY);
+ 
+ 	cancel_work_sync(&priv->work);