linux-kernel - [PATCH 1/7] staging: r8188eu: bRDGEnable is always false

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Date:   Thu, 30 Dec 2021 21:00:53 +0100
From:   Michael Straube <straube.linux@...il.com>
To:     gregkh@...uxfoundation.org
Cc:     Larry.Finger@...inger.net, phil@...lpotter.co.uk,
        linux-staging@...ts.linux.dev, linux-kernel@...r.kernel.org,
        Michael Straube <straube.linux@...il.com>
Subject: [PATCH 1/7] staging: r8188eu: bRDGEnable is always false

The field bRDGEnable in struct hal_data_8188e is never set. It stays
at its default value 0. Remove bRDGEnable and related dead code.

Signed-off-by: Michael Straube <straube.linux@...il.com>
---
 drivers/staging/r8188eu/hal/usb_halinit.c      | 10 ----------
 drivers/staging/r8188eu/include/rtl8188e_hal.h |  3 ---
 2 files changed, 13 deletions(-)

diff --git a/drivers/staging/r8188eu/hal/usb_halinit.c b/drivers/staging/r8188eu/hal/usb_halinit.c
index d5c7e8bf1f38..104705ef170e 100644
--- a/drivers/staging/r8188eu/hal/usb_halinit.c
+++ b/drivers/staging/r8188eu/hal/usb_halinit.c
@@ -384,13 +384,6 @@ static void _InitEDCA(struct adapter *Adapter)
 	rtw_write32(Adapter, REG_EDCA_VO_PARAM, 0x002FA226);
 }
 
-static void _InitRDGSetting(struct adapter *Adapter)
-{
-	rtw_write8(Adapter, REG_RD_CTRL, 0xFF);
-	rtw_write16(Adapter, REG_RD_NAV_NXT, 0x200);
-	rtw_write8(Adapter, REG_RD_RESP_PKT_TH, 0x05);
-}
-
 static void _InitRetryFunction(struct adapter *Adapter)
 {
 	u8 value8;
@@ -712,9 +705,6 @@ u32 rtl8188eu_hal_init(struct adapter *Adapter)
 	value16 |= (MACTXEN | MACRXEN);
 	rtw_write8(Adapter, REG_CR, value16);
 
-	if (haldata->bRDGEnable)
-		_InitRDGSetting(Adapter);
-
 	/* Enable TX Report */
 	/* Enable Tx Report Timer */
 	value8 = rtw_read8(Adapter, REG_TX_RPT_CTRL);
diff --git a/drivers/staging/r8188eu/include/rtl8188e_hal.h b/drivers/staging/r8188eu/include/rtl8188e_hal.h
index b42af86555cd..e8cb093abb62 100644
--- a/drivers/staging/r8188eu/include/rtl8188e_hal.h
+++ b/drivers/staging/r8188eu/include/rtl8188e_hal.h
@@ -236,9 +236,6 @@ struct hal_data_8188e {
 
 	u32	RfRegChnlVal[2];
 
-	/* RDG enable */
-	bool	 bRDGEnable;
-
 	/* for host message to fw */
 	u8	LastHMEBoxNum;
 
-- 
2.34.1