diff --git a/drivers/net/wireless/rtl8187_rtl8225.c b/drivers/net/wireless/rtl8187_rtl8225.c
index 9ecac76aa52c..053eb220a19e 100644
--- a/drivers/net/wireless/rtl8187_rtl8225.c
+++ b/drivers/net/wireless/rtl8187_rtl8225.c
@@ -333,21 +333,21 @@ static void rtl8225_rf_init(struct ieee80211_hw *dev)
 	struct rtl8187_priv *priv = dev->priv;
 	int i;
 
-	rtl8225_write(dev, 0x0, 0x067); msleep(1);
-	rtl8225_write(dev, 0x1, 0xFE0); msleep(1);
-	rtl8225_write(dev, 0x2, 0x44D); msleep(1);
-	rtl8225_write(dev, 0x3, 0x441); msleep(1);
-	rtl8225_write(dev, 0x4, 0x486); msleep(1);
-	rtl8225_write(dev, 0x5, 0xBC0); msleep(1);
-	rtl8225_write(dev, 0x6, 0xAE6); msleep(1);
-	rtl8225_write(dev, 0x7, 0x82A); msleep(1);
-	rtl8225_write(dev, 0x8, 0x01F); msleep(1);
-	rtl8225_write(dev, 0x9, 0x334); msleep(1);
-	rtl8225_write(dev, 0xA, 0xFD4); msleep(1);
-	rtl8225_write(dev, 0xB, 0x391); msleep(1);
-	rtl8225_write(dev, 0xC, 0x050); msleep(1);
-	rtl8225_write(dev, 0xD, 0x6DB); msleep(1);
-	rtl8225_write(dev, 0xE, 0x029); msleep(1);
+	rtl8225_write(dev, 0x0, 0x067);
+	rtl8225_write(dev, 0x1, 0xFE0);
+	rtl8225_write(dev, 0x2, 0x44D);
+	rtl8225_write(dev, 0x3, 0x441);
+	rtl8225_write(dev, 0x4, 0x486);
+	rtl8225_write(dev, 0x5, 0xBC0);
+	rtl8225_write(dev, 0x6, 0xAE6);
+	rtl8225_write(dev, 0x7, 0x82A);
+	rtl8225_write(dev, 0x8, 0x01F);
+	rtl8225_write(dev, 0x9, 0x334);
+	rtl8225_write(dev, 0xA, 0xFD4);
+	rtl8225_write(dev, 0xB, 0x391);
+	rtl8225_write(dev, 0xC, 0x050);
+	rtl8225_write(dev, 0xD, 0x6DB);
+	rtl8225_write(dev, 0xE, 0x029);
 	rtl8225_write(dev, 0xF, 0x914); msleep(100);
 
 	rtl8225_write(dev, 0x2, 0xC4D); msleep(200);
@@ -685,22 +685,23 @@ static void rtl8225z2_rf_init(struct ieee80211_hw *dev)
 	struct rtl8187_priv *priv = dev->priv;
 	int i;
 
-	rtl8225_write(dev, 0x0, 0x2BF); msleep(1);
-	rtl8225_write(dev, 0x1, 0xEE0); msleep(1);
-	rtl8225_write(dev, 0x2, 0x44D); msleep(1);
-	rtl8225_write(dev, 0x3, 0x441); msleep(1);
-	rtl8225_write(dev, 0x4, 0x8C3); msleep(1);
-	rtl8225_write(dev, 0x5, 0xC72); msleep(1);
-	rtl8225_write(dev, 0x6, 0x0E6); msleep(1);
-	rtl8225_write(dev, 0x7, 0x82A); msleep(1);
-	rtl8225_write(dev, 0x8, 0x03F); msleep(1);
-	rtl8225_write(dev, 0x9, 0x335); msleep(1);
-	rtl8225_write(dev, 0xa, 0x9D4); msleep(1);
-	rtl8225_write(dev, 0xb, 0x7BB); msleep(1);
-	rtl8225_write(dev, 0xc, 0x850); msleep(1);
-	rtl8225_write(dev, 0xd, 0xCDF); msleep(1);
-	rtl8225_write(dev, 0xe, 0x02B); msleep(1);
-	rtl8225_write(dev, 0xf, 0x114); msleep(100);
+	rtl8225_write(dev, 0x0, 0x2BF);
+	rtl8225_write(dev, 0x1, 0xEE0);
+	rtl8225_write(dev, 0x2, 0x44D);
+	rtl8225_write(dev, 0x3, 0x441);
+	rtl8225_write(dev, 0x4, 0x8C3);
+	rtl8225_write(dev, 0x5, 0xC72);
+	rtl8225_write(dev, 0x6, 0x0E6);
+	rtl8225_write(dev, 0x7, 0x82A);
+	rtl8225_write(dev, 0x8, 0x03F);
+	rtl8225_write(dev, 0x9, 0x335);
+	rtl8225_write(dev, 0xa, 0x9D4);
+	rtl8225_write(dev, 0xb, 0x7BB);
+	rtl8225_write(dev, 0xc, 0x850);
+	rtl8225_write(dev, 0xd, 0xCDF);
+	rtl8225_write(dev, 0xe, 0x02B);
+	rtl8225_write(dev, 0xf, 0x114);
+	msleep(100);
 
 	rtl8225_write(dev, 0x0, 0x1B7);
 
@@ -831,38 +832,38 @@ static void rtl8225z2_b_rf_init(struct ieee80211_hw *dev)
 	struct rtl8187_priv *priv = dev->priv;
 	int i;
 
-	rtl8225_write(dev, 0x0, 0x0B7); msleep(1);
-	rtl8225_write(dev, 0x1, 0xEE0); msleep(1);
-	rtl8225_write(dev, 0x2, 0x44D); msleep(1);
-	rtl8225_write(dev, 0x3, 0x441); msleep(1);
-	rtl8225_write(dev, 0x4, 0x8C3); msleep(1);
-	rtl8225_write(dev, 0x5, 0xC72); msleep(1);
-	rtl8225_write(dev, 0x6, 0x0E6); msleep(1);
-	rtl8225_write(dev, 0x7, 0x82A); msleep(1);
-	rtl8225_write(dev, 0x8, 0x03F); msleep(1);
-	rtl8225_write(dev, 0x9, 0x335); msleep(1);
-	rtl8225_write(dev, 0xa, 0x9D4); msleep(1);
-	rtl8225_write(dev, 0xb, 0x7BB); msleep(1);
-	rtl8225_write(dev, 0xc, 0x850); msleep(1);
-	rtl8225_write(dev, 0xd, 0xCDF); msleep(1);
-	rtl8225_write(dev, 0xe, 0x02B); msleep(1);
-	rtl8225_write(dev, 0xf, 0x114); msleep(1);
+	rtl8225_write(dev, 0x0, 0x0B7);
+	rtl8225_write(dev, 0x1, 0xEE0);
+	rtl8225_write(dev, 0x2, 0x44D);
+	rtl8225_write(dev, 0x3, 0x441);
+	rtl8225_write(dev, 0x4, 0x8C3);
+	rtl8225_write(dev, 0x5, 0xC72);
+	rtl8225_write(dev, 0x6, 0x0E6);
+	rtl8225_write(dev, 0x7, 0x82A);
+	rtl8225_write(dev, 0x8, 0x03F);
+	rtl8225_write(dev, 0x9, 0x335);
+	rtl8225_write(dev, 0xa, 0x9D4);
+	rtl8225_write(dev, 0xb, 0x7BB);
+	rtl8225_write(dev, 0xc, 0x850);
+	rtl8225_write(dev, 0xd, 0xCDF);
+	rtl8225_write(dev, 0xe, 0x02B);
+	rtl8225_write(dev, 0xf, 0x114);
 
-	rtl8225_write(dev, 0x0, 0x1B7); msleep(1);
+	rtl8225_write(dev, 0x0, 0x1B7);
 
 	for (i = 0; i < ARRAY_SIZE(rtl8225z2_rxgain); i++) {
-		rtl8225_write(dev, 0x1, i + 1); msleep(1);
-		rtl8225_write(dev, 0x2, rtl8225z2_rxgain[i]); msleep(1);
+		rtl8225_write(dev, 0x1, i + 1);
+		rtl8225_write(dev, 0x2, rtl8225z2_rxgain[i]);
 	}
 
-	rtl8225_write(dev, 0x3, 0x080); msleep(1);
-	rtl8225_write(dev, 0x5, 0x004); msleep(1);
-	rtl8225_write(dev, 0x0, 0x0B7); msleep(1);
+	rtl8225_write(dev, 0x3, 0x080);
+	rtl8225_write(dev, 0x5, 0x004);
+	rtl8225_write(dev, 0x0, 0x0B7);
 
-	rtl8225_write(dev, 0x2, 0xC4D); msleep(1);
+	rtl8225_write(dev, 0x2, 0xC4D);
 
-	rtl8225_write(dev, 0x2, 0x44D); msleep(1);
-	rtl8225_write(dev, 0x0, 0x2BF); msleep(1);
+	rtl8225_write(dev, 0x2, 0x44D);
+	rtl8225_write(dev, 0x0, 0x2BF);
 
 	rtl818x_iowrite8(priv, &priv->map->TX_GAIN_CCK, 0x03);
 	rtl818x_iowrite8(priv, &priv->map->TX_GAIN_OFDM, 0x07);
@@ -896,7 +897,7 @@ static void rtl8225_rf_stop(struct ieee80211_hw *dev)
 	u8 reg;
 	struct rtl8187_priv *priv = dev->priv;
 
-	rtl8225_write(dev, 0x4, 0x1f); msleep(1);
+	rtl8225_write(dev, 0x4, 0x1f);
 
 	rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD, RTL818X_EEPROM_CMD_CONFIG);
 	reg = rtl818x_ioread8(priv, &priv->map->CONFIG3);