rt2x00: Unify rt2800 WPDMA ready waiting functions.

The rt2800pci_wait_wpdma_ready and rt2800usb_wait_wpdma_ready functions are
exactly the same, so unify them into rt200lib.

Signed-off-by: Gertjan van Wingerde <gwingerde@gmail.com>
Acked-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 2 insertions, 20 deletions

diff --git a/drivers/net/wireless/rt2x00/rt2800usb.c b/drivers/net/wireless/rt2x00/rt2800usb.c
index 0510f020dcf5..82755cf8b73e 100644
--- a/drivers/net/wireless/rt2x00/rt2800usb.c
+++ b/drivers/net/wireless/rt2x00/rt2800usb.c
@@ -248,24 +248,6 @@ static void rt2800usb_toggle_rx(struct rt2x00_dev *rt2x00dev,
         rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
 }
 
-static int rt2800usb_wait_wpdma_ready(struct rt2x00_dev *rt2x00dev)
-{
-        unsigned int i;
-        u32 reg;
-
-        for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
-                rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG, &reg);
-                if (!rt2x00_get_field32(reg, WPDMA_GLO_CFG_TX_DMA_BUSY) &&
-                    !rt2x00_get_field32(reg, WPDMA_GLO_CFG_RX_DMA_BUSY))
-                        return 0;
-
-                msleep(1);
-        }
-
-        ERROR(rt2x00dev, "WPDMA TX/RX busy, aborting.\n");
-        return -EACCES;
-}
-
 static int rt2800usb_enable_radio(struct rt2x00_dev *rt2x00dev)
 {
         u32 reg;
@@ -274,7 +256,7 @@ static int rt2800usb_enable_radio(struct rt2x00_dev *rt2x00dev)
         /*
          * Initialize all registers.
          */
-        if (unlikely(rt2800usb_wait_wpdma_ready(rt2x00dev) ||
+        if (unlikely(rt2800_wait_wpdma_ready(rt2x00dev) ||
                      rt2800_init_registers(rt2x00dev) ||
                      rt2800_init_bbp(rt2x00dev) ||
                      rt2800_init_rfcsr(rt2x00dev)))
@@ -344,7 +326,7 @@ static void rt2800usb_disable_radio(struct rt2x00_dev *rt2x00dev)
         rt2800_register_write(rt2x00dev, TX_PIN_CFG, 0);
 
         /* Wait for DMA, ignore error */
-        rt2800usb_wait_wpdma_ready(rt2x00dev);
+        rt2800_wait_wpdma_ready(rt2x00dev);
 
         rt2x00usb_disable_radio(rt2x00dev);
 }