wl12xx: use wl12xx_mem_read32() to read the rx counter

As a side effect the transfer is now DMA safe.

Signed-off-by: Kalle Valo <kalle.valo@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --git a/drivers/net/wireless/wl12xx/wl1251.c b/drivers/net/wireless/wl12xx/wl1251.c
index 1a352cf..e484a23 100644 (file)
--- a/drivers/net/wireless/wl12xx/wl1251.c
+++ b/drivers/net/wireless/wl12xx/wl1251.c
@@ -415,8 +415,8 @@ static void wl1251_irq_work(struct work_struct *work)
        wl12xx_debug(DEBUG_IRQ, "intr: 0x%x", intr);
 
        if (wl->data_path) {
-               wl12xx_spi_mem_read(wl, wl->data_path->rx_control_addr,
-                                   &wl->rx_counter, sizeof(u32));
+               wl->rx_counter =
+                       wl12xx_mem_read32(wl, wl->data_path->rx_control_addr);
 
                /* We handle a frmware bug here */
                switch ((wl->rx_counter - wl->rx_handled) & 0xf) {