linux-kernel - [PATCH 1/2] staging: rtl8192u: rtl8192

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Date:   Sun, 12 Mar 2023 08:32:46 +0100
From:   Michael Straube <straube.linux@...il.com>
To:     gregkh@...uxfoundation.org
Cc:     linux-staging@...ts.linux.dev, linux-kernel@...r.kernel.org,
        Michael Straube <straube.linux@...il.com>
Subject: [PATCH 1/2] staging: rtl8192u: rtl8192_SetRFPowerState() is not used

The function rtl8192_SetRFPowerState() is not used anywhere, remove it.

Signed-off-by: Michael Straube <straube.linux@...il.com>
---
 drivers/staging/rtl8192u/r819xU_phy.c | 87 ---------------------------
 drivers/staging/rtl8192u/r819xU_phy.h |  2 -
 2 files changed, 89 deletions(-)

diff --git a/drivers/staging/rtl8192u/r819xU_phy.c b/drivers/staging/rtl8192u/r819xU_phy.c
index 97f4d89500ae..e6836eacc7aa 100644
--- a/drivers/staging/rtl8192u/r819xU_phy.c
+++ b/drivers/staging/rtl8192u/r819xU_phy.c
@@ -1044,93 +1044,6 @@ static void rtl8192_SetTxPowerLevel(struct net_device *dev, u8 channel)
 	}
 }
 
-/******************************************************************************
- * function:  This function sets RF state on or off
- * input:     net_device         *dev
- *            RT_RF_POWER_STATE  eRFPowerState  //Power State to set
- * output:    none
- * return:    none
- * notice:
- *****************************************************************************/
-bool rtl8192_SetRFPowerState(struct net_device *dev,
-			     RT_RF_POWER_STATE eRFPowerState)
-{
-	bool				bResult = true;
-	struct r8192_priv *priv = ieee80211_priv(dev);
-
-	if (eRFPowerState == priv->ieee80211->eRFPowerState)
-		return false;
-
-	if (priv->SetRFPowerStateInProgress)
-		return false;
-
-	priv->SetRFPowerStateInProgress = true;
-
-	switch (priv->rf_chip) {
-	case RF_8256:
-		switch (eRFPowerState) {
-		case eRfOn:
-			/* RF-A, RF-B */
-			/* enable RF-Chip A/B - 0x860[4] */
-			rtl8192_setBBreg(dev, rFPGA0_XA_RFInterfaceOE, BIT(4),
-					 0x1);
-			/* analog to digital on - 0x88c[9:8] */
-			rtl8192_setBBreg(dev, rFPGA0_AnalogParameter4, 0x300,
-					 0x3);
-			/* digital to analog on - 0x880[4:3] */
-			rtl8192_setBBreg(dev, rFPGA0_AnalogParameter1, 0x18,
-					 0x3);
-			/* rx antenna on - 0xc04[1:0] */
-			rtl8192_setBBreg(dev, rOFDM0_TRxPathEnable, 0x3, 0x3);
-			/* rx antenna on - 0xd04[1:0] */
-			rtl8192_setBBreg(dev, rOFDM1_TRxPathEnable, 0x3, 0x3);
-			/* analog to digital part2 on - 0x880[6:5] */
-			rtl8192_setBBreg(dev, rFPGA0_AnalogParameter1, 0x60,
-					 0x3);
-
-			break;
-
-		case eRfSleep:
-
-			break;
-
-		case eRfOff:
-			/* RF-A, RF-B */
-			/* disable RF-Chip A/B - 0x860[4] */
-			rtl8192_setBBreg(dev, rFPGA0_XA_RFInterfaceOE, BIT(4),
-					 0x0);
-			/* analog to digital off, for power save */
-			rtl8192_setBBreg(dev, rFPGA0_AnalogParameter4, 0xf00,
-					 0x0); /* 0x88c[11:8] */
-			/* digital to analog off, for power save - 0x880[4:3] */
-			rtl8192_setBBreg(dev, rFPGA0_AnalogParameter1, 0x18,
-					 0x0);
-			/* rx antenna off - 0xc04[3:0] */
-			rtl8192_setBBreg(dev, rOFDM0_TRxPathEnable, 0xf, 0x0);
-			/* rx antenna off - 0xd04[3:0] */
-			rtl8192_setBBreg(dev, rOFDM1_TRxPathEnable, 0xf, 0x0);
-			/* analog to digital part2 off, for power save */
-			rtl8192_setBBreg(dev, rFPGA0_AnalogParameter1, 0x60,
-					 0x0); /* 0x880[6:5] */
-
-			break;
-
-		default:
-			bResult = false;
-			RT_TRACE(COMP_ERR, "%s(): unknown state to set: 0x%X\n",
-				 __func__, eRFPowerState);
-			break;
-		}
-		break;
-	default:
-		RT_TRACE(COMP_ERR, "Not support rf_chip(%x)\n", priv->rf_chip);
-		break;
-	}
-	priv->SetRFPowerStateInProgress = false;
-
-	return bResult;
-}
-
 /******************************************************************************
  * function:  This function sets command table variable (struct sw_chnl_cmd).
  * input:     sw_chnl_cmd      *CmdTable    //table to be set
diff --git a/drivers/staging/rtl8192u/r819xU_phy.h b/drivers/staging/rtl8192u/r819xU_phy.h
index 8c2933264407..bafaa6a90c50 100644
--- a/drivers/staging/rtl8192u/r819xU_phy.h
+++ b/drivers/staging/rtl8192u/r819xU_phy.h
@@ -74,8 +74,6 @@ void rtl8192_SetBWMode(struct net_device *dev,
 		       enum ht_extension_chan_offset offset);
 void rtl8192_SwChnl_WorkItem(struct net_device *dev);
 void rtl8192_SetBWModeWorkItem(struct net_device *dev);
-bool rtl8192_SetRFPowerState(struct net_device *dev,
-			     RT_RF_POWER_STATE eRFPowerState);
 void InitialGain819xUsb(struct net_device *dev, u8 Operation);
 
 void InitialGainOperateWorkItemCallBack(struct work_struct *work);
-- 
2.39.2