linux-kernel - [PATCH 8/8] staging: r8188eu: remove EFUSE

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Date:   Sat, 18 Sep 2021 11:57:27 +0200
From:   Michael Straube <straube.linux@...il.com>
To:     gregkh@...uxfoundation.org
Cc:     Larry.Finger@...inger.net, phil@...lpotter.co.uk, martin@...ser.cx,
        fmdefrancesco@...il.com, linux-staging@...ts.linux.dev,
        linux-kernel@...r.kernel.org,
        Michael Straube <straube.linux@...il.com>
Subject: [PATCH 8/8] staging: r8188eu: remove EFUSE_Read1Byte()

Function EFUSE_Read1Byte() is not used, remove it.

Signed-off-by: Michael Straube <straube.linux@...il.com>
---
 drivers/staging/r8188eu/core/rtw_efuse.c    | 58 ---------------------
 drivers/staging/r8188eu/include/rtw_efuse.h |  1 -
 2 files changed, 59 deletions(-)

diff --git a/drivers/staging/r8188eu/core/rtw_efuse.c b/drivers/staging/r8188eu/core/rtw_efuse.c
index 0c4ea1e45842..801887f497cf 100644
--- a/drivers/staging/r8188eu/core/rtw_efuse.c
+++ b/drivers/staging/r8188eu/core/rtw_efuse.c
@@ -127,64 +127,6 @@ ReadEFuseByte(
 	*pbuf = (u8)(value32 & 0xff);
 }
 
-/*-----------------------------------------------------------------------------
- * Function:	EFUSE_Read1Byte
- *
- * Overview:	Copy from WMAC fot EFUSE read 1 byte.
- *
- * Input:       NONE
- *
- * Output:      NONE
- *
- * Return:      NONE
- *
- * Revised History:
- * When			Who		Remark
- * 09/23/2008	MHC		Copy from WMAC.
- *
- *---------------------------------------------------------------------------*/
-u8 EFUSE_Read1Byte(struct adapter *Adapter, u16 Address)
-{
-	u8 data;
-	u8 Bytetemp = {0x00};
-	u8 temp = {0x00};
-	u32 k = 0;
-	u16 contentLen = 0;
-
-	rtl8188e_EFUSE_GetEfuseDefinition(Adapter, EFUSE_WIFI, TYPE_EFUSE_REAL_CONTENT_LEN, (void *)&contentLen, false);
-
-	if (Address < contentLen) {	/* E-fuse 512Byte */
-		/* Write E-fuse Register address bit0~7 */
-		temp = Address & 0xFF;
-		rtw_write8(Adapter, EFUSE_CTRL + 1, temp);
-		Bytetemp = rtw_read8(Adapter, EFUSE_CTRL + 2);
-		/* Write E-fuse Register address bit8~9 */
-		temp = ((Address >> 8) & 0x03) | (Bytetemp & 0xFC);
-		rtw_write8(Adapter, EFUSE_CTRL + 2, temp);
-
-		/* Write 0x30[31]= 0 */
-		Bytetemp = rtw_read8(Adapter, EFUSE_CTRL + 3);
-		temp = Bytetemp & 0x7F;
-		rtw_write8(Adapter, EFUSE_CTRL + 3, temp);
-
-		/* Wait Write-ready (0x30[31]= 1) */
-		Bytetemp = rtw_read8(Adapter, EFUSE_CTRL + 3);
-		while (!(Bytetemp & 0x80)) {
-			Bytetemp = rtw_read8(Adapter, EFUSE_CTRL + 3);
-			k++;
-			if (k == 1000) {
-				k = 0;
-				break;
-			}
-		}
-		data = rtw_read8(Adapter, EFUSE_CTRL);
-		return data;
-	} else {
-		return 0xFF;
-	}
-
-} /* EFUSE_Read1Byte */
-
 /*  11/16/2008 MH Read one byte from real Efuse. */
 u8 efuse_OneByteRead(struct adapter *pAdapter, u16 addr, u8 *data, bool pseudo)
 {
diff --git a/drivers/staging/r8188eu/include/rtw_efuse.h b/drivers/staging/r8188eu/include/rtw_efuse.h
index 2dd74c9c691d..53ac906f79fd 100644
--- a/drivers/staging/r8188eu/include/rtw_efuse.h
+++ b/drivers/staging/r8188eu/include/rtw_efuse.h
@@ -118,7 +118,6 @@ u8 efuse_OneByteWrite(struct adapter *adapter, u16 addr, u8 data, bool	test);
 
 void efuse_WordEnableDataRead(u8 word_en, u8 *sourdata, u8 *targetdata);
 
-u8 EFUSE_Read1Byte(struct adapter *adapter, u16 address);
 void EFUSE_ShadowMapUpdate(struct adapter *adapter, u8 efusetype, bool test);
 void EFUSE_ShadowRead(struct adapter *adapt, u8 type, u16 offset, u32 *val);
 
-- 
2.33.0