1 files changed, 40 insertions, 39 deletions

diff --git a/drivers/net/wireless/b43/pio.c b/drivers/net/wireless/b43/pio.c
index 9c1397996e0a..9b9044400218 100644
--- a/drivers/net/wireless/b43/pio.c
+++ b/drivers/net/wireless/b43/pio.c
@@ -30,6 +30,7 @@
 #include "xmit.h"
 
 #include <linux/delay.h>
+#include <linux/sched.h>
 
 
 static u16 generate_cookie(struct b43_pio_txqueue *q,
@@ -331,6 +332,7 @@ static u16 tx_write_2byte_queue(struct b43_pio_txqueue *q,
                                 unsigned int data_len)
 {
         struct b43_wldev *dev = q->dev;
+        struct b43_wl *wl = dev->wl;
         const u8 *data = _data;
 
         ctl |= B43_PIO_TXCTL_WRITELO | B43_PIO_TXCTL_WRITEHI;
@@ -340,13 +342,12 @@ static u16 tx_write_2byte_queue(struct b43_pio_txqueue *q,
                         q->mmio_base + B43_PIO_TXDATA,
                         sizeof(u16));
         if (data_len & 1) {
-                u8 tail[2] = { 0, };
-
                 /* Write the last byte. */
                 ctl &= ~B43_PIO_TXCTL_WRITEHI;
                 b43_piotx_write16(q, B43_PIO_TXCTL, ctl);
-                tail[0] = data[data_len - 1];
-                ssb_block_write(dev->dev, tail, 2,
+                wl->tx_tail[0] = data[data_len - 1];
+                wl->tx_tail[1] = 0;
+                ssb_block_write(dev->dev, wl->tx_tail, 2,
                                 q->mmio_base + B43_PIO_TXDATA,
                                 sizeof(u16));
         }
@@ -381,6 +382,7 @@ static u32 tx_write_4byte_queue(struct b43_pio_txqueue *q,
                                 unsigned int data_len)
 {
         struct b43_wldev *dev = q->dev;
+        struct b43_wl *wl = dev->wl;
         const u8 *data = _data;
 
         ctl |= B43_PIO8_TXCTL_0_7 | B43_PIO8_TXCTL_8_15 |
@@ -391,29 +393,31 @@ static u32 tx_write_4byte_queue(struct b43_pio_txqueue *q,
                         q->mmio_base + B43_PIO8_TXDATA,
                         sizeof(u32));
         if (data_len & 3) {
-                u8 tail[4] = { 0, };
-
+                wl->tx_tail[3] = 0;
                 /* Write the last few bytes. */
                 ctl &= ~(B43_PIO8_TXCTL_8_15 | B43_PIO8_TXCTL_16_23 |
                          B43_PIO8_TXCTL_24_31);
                 switch (data_len & 3) {
                 case 3:
                         ctl |= B43_PIO8_TXCTL_16_23 | B43_PIO8_TXCTL_8_15;
-                        tail[0] = data[data_len - 3];
-                        tail[1] = data[data_len - 2];
-                        tail[2] = data[data_len - 1];
+                        wl->tx_tail[0] = data[data_len - 3];
+                        wl->tx_tail[1] = data[data_len - 2];
+                        wl->tx_tail[2] = data[data_len - 1];
                         break;
                 case 2:
                         ctl |= B43_PIO8_TXCTL_8_15;
-                        tail[0] = data[data_len - 2];
-                        tail[1] = data[data_len - 1];
+                        wl->tx_tail[0] = data[data_len - 2];
+                        wl->tx_tail[1] = data[data_len - 1];
+                        wl->tx_tail[2] = 0;
                         break;
                 case 1:
-                        tail[0] = data[data_len - 1];
+                        wl->tx_tail[0] = data[data_len - 1];
+                        wl->tx_tail[1] = 0;
+                        wl->tx_tail[2] = 0;
                         break;
                 }
                 b43_piotx_write32(q, B43_PIO8_TXCTL, ctl);
-                ssb_block_write(dev->dev, tail, 4,
+                ssb_block_write(dev->dev, wl->tx_tail, 4,
                                 q->mmio_base + B43_PIO8_TXDATA,
                                 sizeof(u32));
         }
@@ -445,8 +449,9 @@ static void pio_tx_frame_4byte_queue(struct b43_pio_txpacket *pack,
 static int pio_tx_frame(struct b43_pio_txqueue *q,
                         struct sk_buff *skb)
 {
+        struct b43_wldev *dev = q->dev;
+        struct b43_wl *wl = dev->wl;
         struct b43_pio_txpacket *pack;
-        struct b43_txhdr txhdr;
         u16 cookie;
         int err;
         unsigned int hdrlen;
@@ -457,8 +462,8 @@ static int pio_tx_frame(struct b43_pio_txqueue *q,
                           struct b43_pio_txpacket, list);
 
         cookie = generate_cookie(q, pack);
-        hdrlen = b43_txhdr_size(q->dev);
-        err = b43_generate_txhdr(q->dev, (u8 *)&txhdr, skb,
+        hdrlen = b43_txhdr_size(dev);
+        err = b43_generate_txhdr(dev, (u8 *)&wl->txhdr, skb,
                                  info, cookie);
         if (err)
                 return err;
@@ -466,15 +471,15 @@ static int pio_tx_frame(struct b43_pio_txqueue *q,
         if (info->flags & IEEE80211_TX_CTL_SEND_AFTER_DTIM) {
                 /* Tell the firmware about the cookie of the last
                  * mcast frame, so it can clear the more-data bit in it. */
-                b43_shm_write16(q->dev, B43_SHM_SHARED,
+                b43_shm_write16(dev, B43_SHM_SHARED,
                                 B43_SHM_SH_MCASTCOOKIE, cookie);
         }
 
         pack->skb = skb;
         if (q->rev >= 8)
-                pio_tx_frame_4byte_queue(pack, (const u8 *)&txhdr, hdrlen);
+                pio_tx_frame_4byte_queue(pack, (const u8 *)&wl->txhdr, hdrlen);
         else
-                pio_tx_frame_2byte_queue(pack, (const u8 *)&txhdr, hdrlen);
+                pio_tx_frame_2byte_queue(pack, (const u8 *)&wl->txhdr, hdrlen);
 
         /* Remove it from the list of available packet slots.
          * It will be put back when we receive the status report. */
@@ -614,14 +619,14 @@ void b43_pio_get_tx_stats(struct b43_wldev *dev,
 static bool pio_rx_frame(struct b43_pio_rxqueue *q)
 {
         struct b43_wldev *dev = q->dev;
-        struct b43_rxhdr_fw4 rxhdr;
+        struct b43_wl *wl = dev->wl;
         u16 len;
         u32 macstat;
         unsigned int i, padding;
         struct sk_buff *skb;
         const char *err_msg = NULL;
 
-        memset(&rxhdr, 0, sizeof(rxhdr));
+        memset(&wl->rxhdr, 0, sizeof(wl->rxhdr));
 
         /* Check if we have data and wait for it to get ready. */
         if (q->rev >= 8) {
@@ -659,16 +664,16 @@ data_ready:
 
         /* Get the preamble (RX header) */
         if (q->rev >= 8) {
-                ssb_block_read(dev->dev, &rxhdr, sizeof(rxhdr),
+                ssb_block_read(dev->dev, &wl->rxhdr, sizeof(wl->rxhdr),
                                q->mmio_base + B43_PIO8_RXDATA,
                                sizeof(u32));
         } else {
-                ssb_block_read(dev->dev, &rxhdr, sizeof(rxhdr),
+                ssb_block_read(dev->dev, &wl->rxhdr, sizeof(wl->rxhdr),
                                q->mmio_base + B43_PIO_RXDATA,
                                sizeof(u16));
         }
         /* Sanity checks. */
-        len = le16_to_cpu(rxhdr.frame_len);
+        len = le16_to_cpu(wl->rxhdr.frame_len);
         if (unlikely(len > 0x700)) {
                 err_msg = "len > 0x700";
                 goto rx_error;
@@ -678,7 +683,7 @@ data_ready:
                 goto rx_error;
         }
 
-        macstat = le32_to_cpu(rxhdr.mac_status);
+        macstat = le32_to_cpu(wl->rxhdr.mac_status);
         if (macstat & B43_RX_MAC_FCSERR) {
                 if (!(q->dev->wl->filter_flags & FIF_FCSFAIL)) {
                         /* Drop frames with failed FCS. */
@@ -703,24 +708,22 @@ data_ready:
                                q->mmio_base + B43_PIO8_RXDATA,
                                sizeof(u32));
                 if (len & 3) {
-                        u8 tail[4] = { 0, };
-
                         /* Read the last few bytes. */
-                        ssb_block_read(dev->dev, tail, 4,
+                        ssb_block_read(dev->dev, wl->rx_tail, 4,
                                        q->mmio_base + B43_PIO8_RXDATA,
                                        sizeof(u32));
                         switch (len & 3) {
                         case 3:
-                                skb->data[len + padding - 3] = tail[0];
-                                skb->data[len + padding - 2] = tail[1];
-                                skb->data[len + padding - 1] = tail[2];
+                                skb->data[len + padding - 3] = wl->rx_tail[0];
+                                skb->data[len + padding - 2] = wl->rx_tail[1];
+                                skb->data[len + padding - 1] = wl->rx_tail[2];
                                 break;
                         case 2:
-                                skb->data[len + padding - 2] = tail[0];
-                                skb->data[len + padding - 1] = tail[1];
+                                skb->data[len + padding - 2] = wl->rx_tail[0];
+                                skb->data[len + padding - 1] = wl->rx_tail[1];
                                 break;
                         case 1:
-                                skb->data[len + padding - 1] = tail[0];
+                                skb->data[len + padding - 1] = wl->rx_tail[0];
                                 break;
                         }
                 }
@@ -729,17 +732,15 @@ data_ready:
                                q->mmio_base + B43_PIO_RXDATA,
                                sizeof(u16));
                 if (len & 1) {
-                        u8 tail[2] = { 0, };
-
                         /* Read the last byte. */
-                        ssb_block_read(dev->dev, tail, 2,
+                        ssb_block_read(dev->dev, wl->rx_tail, 2,
                                        q->mmio_base + B43_PIO_RXDATA,
                                        sizeof(u16));
-                        skb->data[len + padding - 1] = tail[0];
+                        skb->data[len + padding - 1] = wl->rx_tail[0];
                 }
         }
 
-        b43_rx(q->dev, skb, &rxhdr);
+        b43_rx(q->dev, skb, &wl->rxhdr);
 
         return 1;