linux-kernel - [PATCH v2 2/2] staging: rtl8188eu: make some arrays static const

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Message-Id: <20200524101514.20557-2-straube.linux@gmail.com>
Date:   Sun, 24 May 2020 12:15:14 +0200
From:   Michael Straube <straube.linux@...il.com>
To:     gregkh@...uxfoundation.org
Cc:     Larry.Finger@...inger.net, devel@...verdev.osuosl.org,
        linux-kernel@...r.kernel.org,
        Michael Straube <straube.linux@...il.com>,
        Joe Perches <joe@...ches.com>
Subject: [PATCH v2 2/2] staging: rtl8188eu: make some arrays static const

Make some arrays in phy_iq_calibrate() static const and adjust
the functions that take these arrays as parameters accordingly.
Reduces object file size by 84 bytes (GCC 9.3.1 x86_64).

Suggested-by: Joe Perches <joe@...ches.com>
Signed-off-by: Michael Straube <straube.linux@...il.com>
---
 drivers/staging/rtl8188eu/hal/phy.c | 21 +++++++++++----------
 1 file changed, 11 insertions(+), 10 deletions(-)

diff --git a/drivers/staging/rtl8188eu/hal/phy.c b/drivers/staging/rtl8188eu/hal/phy.c
index a0522d6764d6..920688fc9e9f 100644
--- a/drivers/staging/rtl8188eu/hal/phy.c
+++ b/drivers/staging/rtl8188eu/hal/phy.c
@@ -786,7 +786,7 @@ static void pathb_fill_iqk(struct adapter *adapt, bool iqkok, s32 result[][8],
 	}
 }
 
-static void save_adda_registers(struct adapter *adapt, u32 *addareg,
+static void save_adda_registers(struct adapter *adapt, const u32 *addareg,
 				u32 *backup, u32 register_num)
 {
 	u32 i;
@@ -795,7 +795,7 @@ static void save_adda_registers(struct adapter *adapt, u32 *addareg,
 		backup[i] = phy_query_bb_reg(adapt, addareg[i], bMaskDWord);
 }
 
-static void save_mac_registers(struct adapter *adapt, u32 *mac_reg,
+static void save_mac_registers(struct adapter *adapt, const u32 *mac_reg,
 			       u32 *backup)
 {
 	u32 i;
@@ -806,7 +806,7 @@ static void save_mac_registers(struct adapter *adapt, u32 *mac_reg,
 	backup[i] = usb_read32(adapt, mac_reg[i]);
 }
 
-static void reload_adda_reg(struct adapter *adapt, u32 *adda_reg,
+static void reload_adda_reg(struct adapter *adapt, const u32 *adda_reg,
 			    u32 *backup, u32 regiester_num)
 {
 	u32 i;
@@ -815,8 +815,8 @@ static void reload_adda_reg(struct adapter *adapt, u32 *adda_reg,
 		phy_set_bb_reg(adapt, adda_reg[i], bMaskDWord, backup[i]);
 }
 
-static void reload_mac_registers(struct adapter *adapt,
-				 u32 *mac_reg, u32 *backup)
+static void reload_mac_registers(struct adapter *adapt, const u32 *mac_reg,
+				 u32 *backup)
 {
 	u32 i;
 
@@ -826,7 +826,7 @@ static void reload_mac_registers(struct adapter *adapt,
 	usb_write32(adapt, mac_reg[i], backup[i]);
 }
 
-static void path_adda_on(struct adapter *adapt, u32 *adda_reg,
+static void path_adda_on(struct adapter *adapt, const u32 *adda_reg,
 			 bool is_path_a_on, bool is2t)
 {
 	u32 path_on;
@@ -844,7 +844,8 @@ static void path_adda_on(struct adapter *adapt, u32 *adda_reg,
 		phy_set_bb_reg(adapt, adda_reg[i], bMaskDWord, path_on);
 }
 
-static void mac_setting_calibration(struct adapter *adapt, u32 *mac_reg, u32 *backup)
+static void mac_setting_calibration(struct adapter *adapt, const u32 *mac_reg,
+				    u32 *backup)
 {
 	u32 i = 0;
 
@@ -952,7 +953,7 @@ static void phy_iq_calibrate(struct adapter *adapt, s32 result[][8],
 	struct odm_dm_struct *dm_odm = &adapt->HalData->odmpriv;
 	u32 i;
 	u8 path_a_ok, path_b_ok;
-	u32 adda_reg[IQK_ADDA_REG_NUM] = {
+	static const u32 adda_reg[IQK_ADDA_REG_NUM] = {
 		rFPGA0_XCD_SwitchControl, rBlue_Tooth,
 		rRx_Wait_CCA, rTx_CCK_RFON,
 		rTx_CCK_BBON, rTx_OFDM_RFON,
@@ -962,12 +963,12 @@ static void phy_iq_calibrate(struct adapter *adapt, s32 result[][8],
 		rRx_TO_Rx, rStandby,
 		rSleep, rPMPD_ANAEN
 	};
-	u32 iqk_mac_reg[IQK_MAC_REG_NUM] = {
+	static const u32 iqk_mac_reg[IQK_MAC_REG_NUM] = {
 		REG_TXPAUSE, REG_BCN_CTRL,
 		REG_BCN_CTRL_1, REG_GPIO_MUXCFG
 	};
 	/* since 92C & 92D have the different define in IQK_BB_REG */
-	u32 iqk_bb_reg_92c[IQK_BB_REG_NUM] = {
+	static const u32 iqk_bb_reg_92c[IQK_BB_REG_NUM] = {
 		rOFDM0_TRxPathEnable, rOFDM0_TRMuxPar,
 		rFPGA0_XCD_RFInterfaceSW, rConfig_AntA, rConfig_AntB,
 		rFPGA0_XAB_RFInterfaceSW, rFPGA0_XA_RFInterfaceOE,
-- 
2.26.2