staging: ks7010: replace IS_11B_RATE macro with inline function

This commit replaces IS_11B_RATE macro with is_11b_rate inline
function to improve readability.

It also fix a checkpatch script warning because a line with more
than 80 spaces.
Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/ks7010/ks_hostif.c

@@ -1884,7 +1884,7 @@ void hostif_sme_mode_setup(struct ks_wlan_private *priv)
 	/* rate mask by phy setting */
 	if (priv->reg.phy_type == D_11B_ONLY_MODE) {
 		for (i = 0; i < priv->reg.rate_set.size; i++) {
-			if (!IS_11B_RATE(priv->reg.rate_set.body[i]))
+			if (!is_11b_rate(priv->reg.rate_set.body[i]))
 				break;
 
 			if ((priv->reg.rate_set.body[i] & RATE_MASK) >= TX_RATE_5M) {

drivers/staging/ks7010/ks_hostif.h

@@ -556,15 +556,20 @@ struct hostif_mic_failure_confirm_t {
 #define TX_RATE_48M	(uint8_t)(480 / 5)
 #define TX_RATE_54M	(uint8_t)(540 / 5)
 
-#define IS_11B_RATE(A) (((A & RATE_MASK) == TX_RATE_1M) || ((A & RATE_MASK) == TX_RATE_2M) || \
-			((A & RATE_MASK) == TX_RATE_5M) || ((A & RATE_MASK) == TX_RATE_11M))
+static inline bool is_11b_rate(u8 rate)
+{
+	return (((rate & RATE_MASK) == TX_RATE_1M) ||
+		((rate & RATE_MASK) == TX_RATE_2M) ||
+		((rate & RATE_MASK) == TX_RATE_5M) ||
+		((rate & RATE_MASK) == TX_RATE_11M));
+}
 
 #define IS_OFDM_RATE(A) (((A & RATE_MASK) == TX_RATE_6M) || ((A & RATE_MASK) == TX_RATE_12M) || \
 			 ((A & RATE_MASK) == TX_RATE_24M) || ((A & RATE_MASK) == TX_RATE_9M) || \
 			 ((A & RATE_MASK) == TX_RATE_18M) || ((A & RATE_MASK) == TX_RATE_36M) || \
 			 ((A & RATE_MASK) == TX_RATE_48M) || ((A & RATE_MASK) == TX_RATE_54M))
 
-#define IS_11BG_RATE(A) (IS_11B_RATE(A) || IS_OFDM_RATE(A))
+#define IS_11BG_RATE(A) (is_11b_rate(A) || IS_OFDM_RATE(A))
 
 #define IS_OFDM_EXT_RATE(A) (((A & RATE_MASK) == TX_RATE_9M) || ((A & RATE_MASK) == TX_RATE_18M) || \
 			     ((A & RATE_MASK) == TX_RATE_36M) || ((A & RATE_MASK) == TX_RATE_48M) || \