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authorMark Brown <broonie@opensource.wolfsonmicro.com>2009-05-05 10:12:55 +0100
committerMark Brown <broonie@opensource.wolfsonmicro.com>2009-05-05 10:12:55 +0100
commitf3831a592fe4332a70baad64a860b345398885b7 (patch)
treefd27b986295fe5a4f1c0924a804228f829a4c894 /drivers/net/wireless/b43/phy_common.c
parent376f7839b72ec526173cafb5d8eadfc61e2effdf (diff)
parent8560b9321f9050968f393ce1ec67e47c1a0bd5cf (diff)
Merge commit 'takashi/topic/asoc' into for-2.6.31
Diffstat (limited to 'drivers/net/wireless/b43/phy_common.c')
-rw-r--r--drivers/net/wireless/b43/phy_common.c16
1 files changed, 12 insertions, 4 deletions
diff --git a/drivers/net/wireless/b43/phy_common.c b/drivers/net/wireless/b43/phy_common.c
index 026b61c03fb9..e176b6e0d9cf 100644
--- a/drivers/net/wireless/b43/phy_common.c
+++ b/drivers/net/wireless/b43/phy_common.c
@@ -131,12 +131,16 @@ void b43_radio_lock(struct b43_wldev *dev)
{
u32 macctl;
+#if B43_DEBUG
+ B43_WARN_ON(dev->phy.radio_locked);
+ dev->phy.radio_locked = 1;
+#endif
+
macctl = b43_read32(dev, B43_MMIO_MACCTL);
- B43_WARN_ON(macctl & B43_MACCTL_RADIOLOCK);
macctl |= B43_MACCTL_RADIOLOCK;
b43_write32(dev, B43_MMIO_MACCTL, macctl);
- /* Commit the write and wait for the device
- * to exit any radio register access. */
+ /* Commit the write and wait for the firmware
+ * to finish any radio register access. */
b43_read32(dev, B43_MMIO_MACCTL);
udelay(10);
}
@@ -145,11 +149,15 @@ void b43_radio_unlock(struct b43_wldev *dev)
{
u32 macctl;
+#if B43_DEBUG
+ B43_WARN_ON(!dev->phy.radio_locked);
+ dev->phy.radio_locked = 0;
+#endif
+
/* Commit any write */
b43_read16(dev, B43_MMIO_PHY_VER);
/* unlock */
macctl = b43_read32(dev, B43_MMIO_MACCTL);
- B43_WARN_ON(!(macctl & B43_MACCTL_RADIOLOCK));
macctl &= ~B43_MACCTL_RADIOLOCK;
b43_write32(dev, B43_MMIO_MACCTL, macctl);
}