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| author | Wolfgang Kufner <wolfgang.kufner@gmail.com> | 2010-12-13 12:39:12 +0100 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2010-12-13 15:23:36 -0500 |
| commit | 739fd9405416e22732e46a9226a8cac379bd57fc (patch) | |
| tree | 6a0e4652fdce359f5bc573ef843785a90bb87196 /drivers/net/wireless/rt2x00/rt73usb.c | |
| parent | e85b4c04646f7fa62ebf0afe11cd8dffde689da7 (diff) | |
| download | lwn-739fd9405416e22732e46a9226a8cac379bd57fc.tar.gz lwn-739fd9405416e22732e46a9226a8cac379bd57fc.zip | |
rt2x00: Pad beacon to multiple of 32 bits.
Pad beacon to a multiple of 32 bits in preparation for the change
from memcpy_toio() to __iowrite32_copy() in register_multiwrite().
Signed-off-by: Wolfgang Kufner <wolfgang.kufner@gmail.com>
Acked-by: Helmut Schaa <helmut.schaa@googlemail.com>
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/rt2x00/rt73usb.c')
| -rw-r--r-- | drivers/net/wireless/rt2x00/rt73usb.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/net/wireless/rt2x00/rt73usb.c b/drivers/net/wireless/rt2x00/rt73usb.c index 0b3959bdd3eb..0b4e8590cbb7 100644 --- a/drivers/net/wireless/rt2x00/rt73usb.c +++ b/drivers/net/wireless/rt2x00/rt73usb.c @@ -1546,6 +1546,7 @@ static void rt73usb_write_beacon(struct queue_entry *entry, { struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev; unsigned int beacon_base; + unsigned int padding_len; u32 reg; /* @@ -1573,11 +1574,13 @@ static void rt73usb_write_beacon(struct queue_entry *entry, rt2x00debug_dump_frame(rt2x00dev, DUMP_FRAME_BEACON, entry->skb); /* - * Write entire beacon with descriptor to register. + * Write entire beacon with descriptor and padding to register. */ + padding_len = roundup(entry->skb->len, 4) - entry->skb->len; + skb_pad(entry->skb, padding_len); beacon_base = HW_BEACON_OFFSET(entry->entry_idx); - rt2x00usb_register_multiwrite(rt2x00dev, beacon_base, - entry->skb->data, entry->skb->len); + rt2x00usb_register_multiwrite(rt2x00dev, beacon_base, entry->skb->data, + entry->skb->len + padding_len); /* * Enable beaconing again. |