Staging: ks7010: sdio: Convert RX/TX queue macros into real functions.

Convert the unsafe macros into inline functions.
Signed-off-by: Quytelda Kahja <quytelda@tamalin.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/ks7010/ks7010_sdio.c

@@ -32,19 +32,39 @@ static const struct sdio_device_id ks7010_sdio_ids[] = {
 };
 MODULE_DEVICE_TABLE(sdio, ks7010_sdio_ids);
 
-#define inc_txqhead(priv) \
-	(priv->tx_dev.qhead = (priv->tx_dev.qhead + 1) % TX_DEVICE_BUFF_SIZE)
-#define inc_txqtail(priv) \
-	(priv->tx_dev.qtail = (priv->tx_dev.qtail + 1) % TX_DEVICE_BUFF_SIZE)
-#define cnt_txqbody(priv) \
-	(((priv->tx_dev.qtail + TX_DEVICE_BUFF_SIZE) - (priv->tx_dev.qhead)) % TX_DEVICE_BUFF_SIZE)
-
-#define inc_rxqhead(priv) \
-	(priv->rx_dev.qhead = (priv->rx_dev.qhead + 1) % RX_DEVICE_BUFF_SIZE)
-#define inc_rxqtail(priv) \
-	(priv->rx_dev.qtail = (priv->rx_dev.qtail + 1) % RX_DEVICE_BUFF_SIZE)
-#define cnt_rxqbody(priv) \
-	(((priv->rx_dev.qtail + RX_DEVICE_BUFF_SIZE) - (priv->rx_dev.qhead)) % RX_DEVICE_BUFF_SIZE)
+static inline void inc_txqhead(struct ks_wlan_private *priv)
+{
+	priv->tx_dev.qhead = (priv->tx_dev.qhead + 1) % TX_DEVICE_BUFF_SIZE;
+}
+
+static inline void inc_txqtail(struct ks_wlan_private *priv)
+{
+	priv->tx_dev.qtail = (priv->tx_dev.qtail + 1) % TX_DEVICE_BUFF_SIZE;
+}
+
+static inline unsigned int cnt_txqbody(struct ks_wlan_private *priv)
+{
+	unsigned int tx_cnt = priv->tx_dev.qtail - priv->tx_dev.qhead;
+
+	return (tx_cnt + TX_DEVICE_BUFF_SIZE) % TX_DEVICE_BUFF_SIZE;
+}
+
+static inline void inc_rxqhead(struct ks_wlan_private *priv)
+{
+	priv->rx_dev.qhead = (priv->rx_dev.qhead + 1) % RX_DEVICE_BUFF_SIZE;
+}
+
+static inline void inc_rxqtail(struct ks_wlan_private *priv)
+{
+	priv->rx_dev.qtail = (priv->rx_dev.qtail + 1) % RX_DEVICE_BUFF_SIZE;
+}
+
+static inline unsigned int cnt_rxqbody(struct ks_wlan_private *priv)
+{
+	unsigned int rx_cnt = priv->rx_dev.qtail - priv->rx_dev.qhead;
+
+	return (rx_cnt + RX_DEVICE_BUFF_SIZE) % RX_DEVICE_BUFF_SIZE;
+}
 
 /* Read single byte from device address into byte (CMD52) */
 static int ks7010_sdio_readb(struct ks_wlan_private *priv, unsigned int address,