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authorWolfgang Kufner <wolfgang.kufner@gmail.com>2010-12-13 14:39:12 +0300
committerJohn W. Linville <linville@tuxdriver.com>2010-12-13 23:23:36 +0300
commit739fd9405416e22732e46a9226a8cac379bd57fc (patch)
tree6a0e4652fdce359f5bc573ef843785a90bb87196 /drivers/net/wireless/rt2x00/rt61pci.c
parente85b4c04646f7fa62ebf0afe11cd8dffde689da7 (diff)
downloadlinux-739fd9405416e22732e46a9226a8cac379bd57fc.tar.xz
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/rt61pci.c')
-rw-r--r--drivers/net/wireless/rt2x00/rt61pci.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/net/wireless/rt2x00/rt61pci.c b/drivers/net/wireless/rt2x00/rt61pci.c
index 9405b100a75a..8de44dd401e0 100644
--- a/drivers/net/wireless/rt2x00/rt61pci.c
+++ b/drivers/net/wireless/rt2x00/rt61pci.c
@@ -1961,6 +1961,7 @@ static void rt61pci_write_beacon(struct queue_entry *entry,
struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
struct queue_entry_priv_pci *entry_priv = entry->priv_data;
unsigned int beacon_base;
+ unsigned int padding_len;
u32 reg;
/*
@@ -1982,13 +1983,16 @@ static void rt61pci_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);
rt2x00pci_register_multiwrite(rt2x00dev, beacon_base,
entry_priv->desc, TXINFO_SIZE);
rt2x00pci_register_multiwrite(rt2x00dev, beacon_base + TXINFO_SIZE,
- entry->skb->data, entry->skb->len);
+ entry->skb->data,
+ entry->skb->len + padding_len);
/*
* Enable beaconing again.