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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2010-01-22 08:55:25 +0100
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2010-01-22 08:55:25 +0100
commit7755726fe90a8b253659756e6de68c1a55aa427f (patch)
treea3523fa77e07854db3b8089e3066a55ea997060c /drivers/net/wireless/rt2x00/rt2x00dev.c
parentInput: sh_keysc - add mode 4 and mode 5 support (diff)
parentLinux 2.6.33-rc5 (diff)
downloadlinux-7755726fe90a8b253659756e6de68c1a55aa427f.tar.xz
linux-7755726fe90a8b253659756e6de68c1a55aa427f.zip
Merge commit 'v2.6.33-rc5' into next
Diffstat (limited to 'drivers/net/wireless/rt2x00/rt2x00dev.c')
-rw-r--r--drivers/net/wireless/rt2x00/rt2x00dev.c12
1 files changed, 11 insertions, 1 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2x00dev.c b/drivers/net/wireless/rt2x00/rt2x00dev.c
index 06c43ca39bf8..265e66dba552 100644
--- a/drivers/net/wireless/rt2x00/rt2x00dev.c
+++ b/drivers/net/wireless/rt2x00/rt2x00dev.c
@@ -686,7 +686,17 @@ static int rt2x00lib_probe_hw(struct rt2x00_dev *rt2x00dev)
/*
* Initialize extra TX headroom required.
*/
- rt2x00dev->hw->extra_tx_headroom = rt2x00dev->ops->extra_tx_headroom;
+ rt2x00dev->hw->extra_tx_headroom =
+ max_t(unsigned int, IEEE80211_TX_STATUS_HEADROOM,
+ rt2x00dev->ops->extra_tx_headroom);
+
+ /*
+ * Take TX headroom required for alignment into account.
+ */
+ if (test_bit(DRIVER_REQUIRE_L2PAD, &rt2x00dev->flags))
+ rt2x00dev->hw->extra_tx_headroom += RT2X00_L2PAD_SIZE;
+ else if (test_bit(DRIVER_REQUIRE_DMA, &rt2x00dev->flags))
+ rt2x00dev->hw->extra_tx_headroom += RT2X00_ALIGN_SIZE;
/*
* Register HW.