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Date:   Fri, 15 Oct 2021 18:35:03 +0200
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 3/7] staging: r8188eu: remove GetPSDData()

Function GetPSDData() is not used, remove it. It is the only user of
ConvertTo_dB() and ODM_StallExecution(), remove these two functions
and the now unused dB_Invert_Table as well.

Signed-off-by: Michael Straube <straube.linux@...il.com>
---
 drivers/staging/r8188eu/hal/odm.c             | 59 -------------------
 drivers/staging/r8188eu/hal/odm_interface.c   |  5 --
 drivers/staging/r8188eu/include/odm.h         |  5 --
 .../staging/r8188eu/include/odm_interface.h   |  2 -
 4 files changed, 71 deletions(-)

diff --git a/drivers/staging/r8188eu/hal/odm.c b/drivers/staging/r8188eu/hal/odm.c
index 030bc7bd9905..28bd6f36cddd 100644
--- a/drivers/staging/r8188eu/hal/odm.c
+++ b/drivers/staging/r8188eu/hal/odm.c
@@ -5,17 +5,6 @@
 
 #include "../include/odm_precomp.h"
 
-static const u16 dB_Invert_Table[8][12] = {
-	{1, 1, 1, 2, 2, 2, 2, 3, 3, 3, 4, 4},
-	{4, 5, 6, 6, 7, 8, 9, 10, 11, 13, 14, 16},
-	{18, 20, 22, 25, 28, 32, 35, 40, 45, 50, 56, 63},
-	{71, 79, 89, 100, 112, 126, 141, 158, 178, 200, 224, 251},
-	{282, 316, 355, 398, 447, 501, 562, 631, 708, 794, 891, 1000},
-	{1122, 1259, 1413, 1585, 1778, 1995, 2239, 2512, 2818, 3162, 3548, 3981},
-	{4467, 5012, 5623, 6310, 7079, 7943, 8913, 10000, 11220, 12589, 14125, 15849},
-	{17783, 19953, 22387, 25119, 28184, 31623, 35481, 39811, 44668, 50119, 56234, 65535}
-};
-
 /* avoid to warn in FreeBSD ==> To DO modify */
 static u32 EDCAParam[HT_IOT_PEER_MAX][3] = {
 	/*  UL			DL */
@@ -1142,51 +1131,3 @@ void odm_EdcaTurboCheck(struct odm_dm_struct *pDM_Odm)
 	pxmitpriv->last_tx_bytes = pxmitpriv->tx_bytes;
 	precvpriv->last_rx_bytes = precvpriv->rx_bytes;
 }
-
-/*  need to ODM CE Platform */
-/* move to here for ANT detection mechanism using */
-
-u32 GetPSDData(struct odm_dm_struct *pDM_Odm, unsigned int point, u8 initial_gain_psd)
-{
-	u32 psd_report;
-
-	/* Set DCO frequency index, offset=(40MHz/SamplePts)*point */
-	ODM_SetBBReg(pDM_Odm, 0x808, 0x3FF, point);
-
-	/* Start PSD calculation, Reg808[22]=0->1 */
-	ODM_SetBBReg(pDM_Odm, 0x808, BIT(22), 1);
-	/* Need to wait for HW PSD report */
-	ODM_StallExecution(30);
-	ODM_SetBBReg(pDM_Odm, 0x808, BIT(22), 0);
-	/* Read PSD report, Reg8B4[15:0] */
-	psd_report = ODM_GetBBReg(pDM_Odm, 0x8B4, bMaskDWord) & 0x0000FFFF;
-
-	psd_report = (u32)(ConvertTo_dB(psd_report)) + (u32)(initial_gain_psd - 0x1c);
-
-	return psd_report;
-}
-
-u32 ConvertTo_dB(u32 Value)
-{
-	u8 i;
-	u8 j;
-	u32 dB;
-
-	Value = Value & 0xFFFF;
-	for (i = 0; i < 8; i++) {
-		if (Value <= dB_Invert_Table[i][11])
-			break;
-	}
-
-	if (i >= 8)
-		return 96;	/*  maximum 96 dB */
-
-	for (j = 0; j < 12; j++) {
-		if (Value <= dB_Invert_Table[i][j])
-			break;
-	}
-
-	dB = i * 12 + j + 1;
-
-	return dB;
-}
diff --git a/drivers/staging/r8188eu/hal/odm_interface.c b/drivers/staging/r8188eu/hal/odm_interface.c
index c97104c3682f..7ddba39a0f4b 100644
--- a/drivers/staging/r8188eu/hal/odm_interface.c
+++ b/drivers/staging/r8188eu/hal/odm_interface.c
@@ -77,11 +77,6 @@ s32 ODM_CompareMemory(struct odm_dm_struct *pDM_Odm, void *pBuf1, void *pBuf2, u
 }
 
 /*  ODM Timer relative API. */
-void ODM_StallExecution(u32 usDelay)
-{
-	udelay(usDelay);
-}
-
 void ODM_delay_ms(u32 ms)
 {
 	mdelay(ms);
diff --git a/drivers/staging/r8188eu/include/odm.h b/drivers/staging/r8188eu/include/odm.h
index 21e08a9f8bf8..db24678eb0bc 100644
--- a/drivers/staging/r8188eu/include/odm.h
+++ b/drivers/staging/r8188eu/include/odm.h
@@ -880,11 +880,6 @@ void ODM_TXPowerTrackingCheck(struct odm_dm_struct *pDM_Odm);
 bool ODM_RAStateCheck(struct odm_dm_struct *pDM_Odm, s32 RSSI,
 		      bool bForceUpdate, u8 *pRATRState);
 
-u32 ConvertTo_dB(u32 Value);
-
-u32 GetPSDData(struct odm_dm_struct *pDM_Odm, unsigned int point,
-	       u8 initial_gain_psd);
-
 u32 ODM_Get_Rate_Bitmap(struct odm_dm_struct *pDM_Odm, u32 macid,
 			u32 ra_mask, u8 rssi_level);
 
diff --git a/drivers/staging/r8188eu/include/odm_interface.h b/drivers/staging/r8188eu/include/odm_interface.h
index 3af58e853828..17a315d19a50 100644
--- a/drivers/staging/r8188eu/include/odm_interface.h
+++ b/drivers/staging/r8188eu/include/odm_interface.h
@@ -50,8 +50,6 @@ s32 ODM_CompareMemory(struct odm_dm_struct *pDM_Odm, void *pBuf1, void *pBuf2,
 		      u32 length);
 
 /*  ODM Timer relative API. */
-void ODM_StallExecution(u32 usDelay);
-
 void ODM_delay_ms(u32 ms);
 
 void ODM_delay_us(u32 us);
-- 
2.33.0

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