linux-kernel - [PATCH 2/4] staging: rtl8723bs: remove bWrite from Hal

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Message-ID: <20250824095830.79233-3-straube.linux@gmail.com>
Date: Sun, 24 Aug 2025 11:58:28 +0200
From: Michael Straube <straube.linux@...il.com>
To: gregkh@...uxfoundation.org
Cc: hdegoede@...hat.com,
	Larry.Finger@...inger.net,
	linux-staging@...ts.linux.dev,
	linux-kernel@...r.kernel.org,
	Michael Straube <straube.linux@...il.com>
Subject: [PATCH 2/4] staging: rtl8723bs: remove bWrite from Hal_EfusePowerSwitch

The function Hal_EfusePowerSwitch is always called with bWrite set to
false. Remove the pWrite parameter and reomve resulting dead code to reduce
code complexity.

Signed-off-by: Michael Straube <straube.linux@...il.com>
---
 drivers/staging/rtl8723bs/core/rtw_efuse.c    |  4 +--
 .../staging/rtl8723bs/hal/rtl8723b_hal_init.c | 25 +++----------------
 drivers/staging/rtl8723bs/include/hal_intf.h  |  2 +-
 3 files changed, 6 insertions(+), 25 deletions(-)

diff --git a/drivers/staging/rtl8723bs/core/rtw_efuse.c b/drivers/staging/rtl8723bs/core/rtw_efuse.c
index f0c705ccdbdc..d5c53b614f61 100644
--- a/drivers/staging/rtl8723bs/core/rtw_efuse.c
+++ b/drivers/staging/rtl8723bs/core/rtw_efuse.c
@@ -164,13 +164,13 @@ static void Efuse_ReadAllMap(struct adapter *padapter, u8 efuseType, u8 *Efuse)
 {
 	u16 mapLen = 0;
 
-	Hal_EfusePowerSwitch(padapter, false, true);
+	Hal_EfusePowerSwitch(padapter, true);
 
 	Hal_GetEfuseDefinition(padapter, efuseType, TYPE_EFUSE_MAP_LEN, (void *)&mapLen);
 
 	Hal_ReadEFuse(padapter, efuseType, 0, mapLen, Efuse);
 
-	Hal_EfusePowerSwitch(padapter, false, false);
+	Hal_EfusePowerSwitch(padapter, false);
 }
 
 /*-----------------------------------------------------------------------------
diff --git a/drivers/staging/rtl8723bs/hal/rtl8723b_hal_init.c b/drivers/staging/rtl8723bs/hal/rtl8723b_hal_init.c
index 66ba3bcd22e4..36680ecb5897 100644
--- a/drivers/staging/rtl8723bs/hal/rtl8723b_hal_init.c
+++ b/drivers/staging/rtl8723bs/hal/rtl8723b_hal_init.c
@@ -568,8 +568,6 @@ void Hal_GetEfuseDefinition(
 	}
 }
 
-#define VOLTAGE_V25		0x03
-
 /*  */
 /* 	The following is for compile ok */
 /* 	That should be merged with the original in the future */
@@ -578,7 +576,7 @@ void Hal_GetEfuseDefinition(
 #define REG_EFUSE_ACCESS_8723			0x00CF	/*  Efuse access protection for RTL8723 */
 
 void Hal_EfusePowerSwitch(
-	struct adapter *padapter, u8 bWrite, u8 PwrState
+	struct adapter *padapter, u8 PwrState
 )
 {
 	u8 tempval;
@@ -626,25 +624,8 @@ void Hal_EfusePowerSwitch(
 			tmpV16 |= (LOADER_CLK_EN | ANA8M);
 			rtw_write16(padapter, REG_SYS_CLKR, tmpV16);
 		}
-
-		if (bWrite) {
-			/*  Enable LDO 2.5V before read/write action */
-			tempval = rtw_read8(padapter, EFUSE_TEST+3);
-			tempval &= 0x0F;
-			tempval |= (VOLTAGE_V25 << 4);
-			rtw_write8(padapter, EFUSE_TEST+3, (tempval | 0x80));
-
-			/* rtw_write8(padapter, REG_EFUSE_ACCESS, EFUSE_ACCESS_ON); */
-		}
 	} else {
 		rtw_write8(padapter, REG_EFUSE_ACCESS, EFUSE_ACCESS_OFF);
-
-		if (bWrite) {
-			/*  Disable LDO 2.5V after read/write action */
-			tempval = rtw_read8(padapter, EFUSE_TEST+3);
-			rtw_write8(padapter, EFUSE_TEST+3, (tempval & 0x7F));
-		}
-
 	}
 }
 
@@ -1474,9 +1455,9 @@ void Hal_EfuseParsePackageType_8723B(
 	u8 package;
 	u8 efuseContent;
 
-	Hal_EfusePowerSwitch(padapter, false, true);
+	Hal_EfusePowerSwitch(padapter, true);
 	efuse_OneByteRead(padapter, 0x1FB, &efuseContent);
-	Hal_EfusePowerSwitch(padapter, false, false);
+	Hal_EfusePowerSwitch(padapter, false);
 
 	package = efuseContent & 0x7;
 	switch (package) {
diff --git a/drivers/staging/rtl8723bs/include/hal_intf.h b/drivers/staging/rtl8723bs/include/hal_intf.h
index 4fe48cccb889..2fa2382ad5f3 100644
--- a/drivers/staging/rtl8723bs/include/hal_intf.h
+++ b/drivers/staging/rtl8723bs/include/hal_intf.h
@@ -265,7 +265,7 @@ u8 GetHalDefVar8723BSDIO(struct adapter *Adapter, enum hal_def_variable eVariabl
 u8 SetHalDefVar8723BSDIO(struct adapter *Adapter, enum hal_def_variable eVariable, void *pValue);
 void UpdateHalRAMask8723B(struct adapter *padapter, u32 mac_id, u8 rssi_level);
 void rtl8723b_SetBeaconRelatedRegisters(struct adapter *padapter);
-void Hal_EfusePowerSwitch(struct adapter *padapter, u8 bWrite, u8 PwrState);
+void Hal_EfusePowerSwitch(struct adapter *padapter, u8 PwrState);
 void Hal_ReadEFuse(struct adapter *padapter, u8 efuseType, u16 _offset,
 		   u16 _size_byte, u8 *pbuf);
 void Hal_GetEfuseDefinition(struct adapter *padapter, u8 efuseType, u8 type,
-- 
2.51.0