[PATCH 1/2] staging: rtl8188eu: remove else after return

[PATCH 1/2] staging: rtl8188eu: remove else after return

[Michael Straube]

Remove else after return in rtl88eu_dm_antenna_diversity() to improve
readability and clear a checkpatch warning.

WARNING: else is not generally useful after a break or return

Signed-off-by: Michael Straube <straube.linux@gmail.com>
---
 drivers/staging/rtl8188eu/hal/odm_rtl8188e.c | 26 +++++++++++---------
 1 file changed, 14 insertions(+), 12 deletions(-)

diff --git a/drivers/staging/rtl8188eu/hal/odm_rtl8188e.c b/drivers/staging/rtl8188eu/hal/odm_rtl8188e.c
index 251bd8aba3b1..7bfba7692ab8 100644
--- a/drivers/staging/rtl8188eu/hal/odm_rtl8188e.c
+++ b/drivers/staging/rtl8188eu/hal/odm_rtl8188e.c
@@ -303,6 +303,7 @@ void rtl88eu_dm_antenna_diversity(struct odm_dm_struct *dm_odm)
 
 	if (!(dm_odm->SupportAbility & ODM_BB_ANT_DIV))
 		return;
+
 	if (!dm_odm->bLinked) {
 		ODM_RT_TRACE(dm_odm, ODM_COMP_ANT_DIV, ODM_DBG_LOUD,
 			     ("ODM_AntennaDiversity_88E(): No Link.\n"));
@@ -318,19 +319,20 @@ void rtl88eu_dm_antenna_diversity(struct odm_dm_struct *dm_odm)
 			dm_fat_tbl->bBecomeLinked = dm_odm->bLinked;
 		}
 		return;
-	} else {
-		if (!dm_fat_tbl->bBecomeLinked) {
-			ODM_RT_TRACE(dm_odm, ODM_COMP_ANT_DIV, ODM_DBG_LOUD,
-				     ("Need to Turn on HW AntDiv\n"));
-			phy_set_bb_reg(adapter, ODM_REG_IGI_A_11N, BIT(7), 1);
-			phy_set_bb_reg(adapter, ODM_REG_CCK_ANTDIV_PARA1_11N,
-				       BIT(15), 1);
-			if (dm_odm->AntDivType == CG_TRX_HW_ANTDIV)
-				phy_set_bb_reg(adapter, ODM_REG_TX_ANT_CTRL_11N,
-					       BIT(21), 1);
-			dm_fat_tbl->bBecomeLinked = dm_odm->bLinked;
-		}
 	}
+
+	if (!dm_fat_tbl->bBecomeLinked) {
+		ODM_RT_TRACE(dm_odm, ODM_COMP_ANT_DIV, ODM_DBG_LOUD,
+			     ("Need to Turn on HW AntDiv\n"));
+		phy_set_bb_reg(adapter, ODM_REG_IGI_A_11N, BIT(7), 1);
+		phy_set_bb_reg(adapter, ODM_REG_CCK_ANTDIV_PARA1_11N,
+			       BIT(15), 1);
+		if (dm_odm->AntDivType == CG_TRX_HW_ANTDIV)
+			phy_set_bb_reg(adapter, ODM_REG_TX_ANT_CTRL_11N,
+				       BIT(21), 1);
+		dm_fat_tbl->bBecomeLinked = dm_odm->bLinked;
+	}
+
 	if ((dm_odm->AntDivType == CG_TRX_HW_ANTDIV) ||
 	    (dm_odm->AntDivType == CGCS_RX_HW_ANTDIV))
 		rtl88eu_dm_hw_ant_div(dm_odm);
-- 
2.24.1

[PATCH 2/2] staging: rtl8188eu: refactor rtl88eu_dm_update_rx_idle_ant()

[Michael Straube]

Refactor rtl88eu_dm_update_rx_idle_ant() to reduce indentation level
and clear line over 80 characters checkpatch warnings.

Signed-off-by: Michael Straube <straube.linux@gmail.com>
---
 drivers/staging/rtl8188eu/hal/odm_rtl8188e.c | 56 ++++++++++----------
 1 file changed, 29 insertions(+), 27 deletions(-)

diff --git a/drivers/staging/rtl8188eu/hal/odm_rtl8188e.c b/drivers/staging/rtl8188eu/hal/odm_rtl8188e.c
index 7bfba7692ab8..a55a0d8b9fb7 100644
--- a/drivers/staging/rtl8188eu/hal/odm_rtl8188e.c
+++ b/drivers/staging/rtl8188eu/hal/odm_rtl8188e.c
@@ -154,35 +154,37 @@ void rtl88eu_dm_update_rx_idle_ant(struct odm_dm_struct *dm_odm, u8 ant)
 	struct adapter *adapter = dm_odm->Adapter;
 	u32 default_ant, optional_ant;
 
-	if (dm_fat_tbl->RxIdleAnt != ant) {
-		if (ant == MAIN_ANT) {
-			default_ant = (dm_odm->AntDivType == CG_TRX_HW_ANTDIV) ?
-				       MAIN_ANT_CG_TRX : MAIN_ANT_CGCS_RX;
-			optional_ant = (dm_odm->AntDivType == CG_TRX_HW_ANTDIV) ?
-					AUX_ANT_CG_TRX : AUX_ANT_CGCS_RX;
-		} else {
-			default_ant = (dm_odm->AntDivType == CG_TRX_HW_ANTDIV) ?
-				       AUX_ANT_CG_TRX : AUX_ANT_CGCS_RX;
-			optional_ant = (dm_odm->AntDivType == CG_TRX_HW_ANTDIV) ?
-					MAIN_ANT_CG_TRX : MAIN_ANT_CGCS_RX;
-		}
+	if (dm_fat_tbl->RxIdleAnt == ant)
+		return;
 
-		if (dm_odm->AntDivType == CG_TRX_HW_ANTDIV) {
-			phy_set_bb_reg(adapter, ODM_REG_RX_ANT_CTRL_11N,
-				       BIT(5) | BIT(4) | BIT(3), default_ant);
-			phy_set_bb_reg(adapter, ODM_REG_RX_ANT_CTRL_11N,
-				       BIT(8) | BIT(7) | BIT(6), optional_ant);
-			phy_set_bb_reg(adapter, ODM_REG_ANTSEL_CTRL_11N,
-				       BIT(14) | BIT(13) | BIT(12), default_ant);
-			phy_set_bb_reg(adapter, ODM_REG_RESP_TX_11N,
-				       BIT(6) | BIT(7), default_ant);
-		} else if (dm_odm->AntDivType == CGCS_RX_HW_ANTDIV) {
-			phy_set_bb_reg(adapter, ODM_REG_RX_ANT_CTRL_11N,
-				       BIT(5) | BIT(4) | BIT(3), default_ant);
-			phy_set_bb_reg(adapter, ODM_REG_RX_ANT_CTRL_11N,
-				       BIT(8) | BIT(7) | BIT(6), optional_ant);
-		}
+	if (ant == MAIN_ANT) {
+		default_ant = (dm_odm->AntDivType == CG_TRX_HW_ANTDIV) ?
+			       MAIN_ANT_CG_TRX : MAIN_ANT_CGCS_RX;
+		optional_ant = (dm_odm->AntDivType == CG_TRX_HW_ANTDIV) ?
+				AUX_ANT_CG_TRX : AUX_ANT_CGCS_RX;
+	} else {
+		default_ant = (dm_odm->AntDivType == CG_TRX_HW_ANTDIV) ?
+			       AUX_ANT_CG_TRX : AUX_ANT_CGCS_RX;
+		optional_ant = (dm_odm->AntDivType == CG_TRX_HW_ANTDIV) ?
+				MAIN_ANT_CG_TRX : MAIN_ANT_CGCS_RX;
 	}
+
+	if (dm_odm->AntDivType == CG_TRX_HW_ANTDIV) {
+		phy_set_bb_reg(adapter, ODM_REG_RX_ANT_CTRL_11N,
+			       BIT(5) | BIT(4) | BIT(3), default_ant);
+		phy_set_bb_reg(adapter, ODM_REG_RX_ANT_CTRL_11N,
+			       BIT(8) | BIT(7) | BIT(6), optional_ant);
+		phy_set_bb_reg(adapter, ODM_REG_ANTSEL_CTRL_11N,
+			       BIT(14) | BIT(13) | BIT(12), default_ant);
+		phy_set_bb_reg(adapter, ODM_REG_RESP_TX_11N,
+			       BIT(6) | BIT(7), default_ant);
+	} else if (dm_odm->AntDivType == CGCS_RX_HW_ANTDIV) {
+		phy_set_bb_reg(adapter, ODM_REG_RX_ANT_CTRL_11N,
+			       BIT(5) | BIT(4) | BIT(3), default_ant);
+		phy_set_bb_reg(adapter, ODM_REG_RX_ANT_CTRL_11N,
+			       BIT(8) | BIT(7) | BIT(6), optional_ant);
+	}
+
 	dm_fat_tbl->RxIdleAnt = ant;
 }
 
-- 
2.24.1