linux-kernel - [PATCH 3/9] staging: r8188eu: remove write-only HwRxPageSize

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Date:   Tue,  5 Oct 2021 22:08:15 +0200
From:   Martin Kaiser <martin@...ser.cx>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     Larry Finger <Larry.Finger@...inger.net>,
        Phillip Potter <phil@...lpotter.co.uk>,
        Michael Straube <straube.linux@...il.com>,
        linux-staging@...ts.linux.dev, linux-kernel@...r.kernel.org,
        Martin Kaiser <martin@...ser.cx>
Subject: [PATCH 3/9] staging: r8188eu: remove write-only HwRxPageSize

HwRxPageSize from struct hal_data_8188e is set but never read. Remove
the component and the code to initialise it.

Signed-off-by: Martin Kaiser <martin@...ser.cx>
---
 drivers/staging/r8188eu/hal/usb_halinit.c     | 20 -------------------
 .../staging/r8188eu/include/rtl8188e_hal.h    |  1 -
 .../staging/r8188eu/include/rtl8188e_spec.h   |  4 ----
 3 files changed, 25 deletions(-)

diff --git a/drivers/staging/r8188eu/hal/usb_halinit.c b/drivers/staging/r8188eu/hal/usb_halinit.c
index ab7b80144403..f71f25e234ab 100644
--- a/drivers/staging/r8188eu/hal/usb_halinit.c
+++ b/drivers/staging/r8188eu/hal/usb_halinit.c
@@ -524,26 +524,6 @@ usb_AggSettingRxUpdate(
 		/*  TODO: */
 		break;
 	}
-
-	switch (PBP_128) {
-	case PBP_128:
-		haldata->HwRxPageSize = 128;
-		break;
-	case PBP_64:
-		haldata->HwRxPageSize = 64;
-		break;
-	case PBP_256:
-		haldata->HwRxPageSize = 256;
-		break;
-	case PBP_512:
-		haldata->HwRxPageSize = 512;
-		break;
-	case PBP_1024:
-		haldata->HwRxPageSize = 1024;
-		break;
-	default:
-		break;
-	}
 }	/*  usb_AggSettingRxUpdate */
 
 static void InitUsbAggregationSetting(struct adapter *Adapter)
diff --git a/drivers/staging/r8188eu/include/rtl8188e_hal.h b/drivers/staging/r8188eu/include/rtl8188e_hal.h
index 08dedf4c91b8..fc6acbba17e7 100644
--- a/drivers/staging/r8188eu/include/rtl8188e_hal.h
+++ b/drivers/staging/r8188eu/include/rtl8188e_hal.h
@@ -360,7 +360,6 @@ struct hal_data_8188e {
 	u8	C2hArray[16];
 	u8	UsbTxAggMode;
 	u8	UsbTxAggDescNum;
-	u16	HwRxPageSize;		/*  Hardware setting */
 	u32	MaxUsbRxAggBlock;
 
 	enum usb_rx_agg_mode UsbRxAggMode;
diff --git a/drivers/staging/r8188eu/include/rtl8188e_spec.h b/drivers/staging/r8188eu/include/rtl8188e_spec.h
index 1c96f7b81245..01aeaa4ac605 100644
--- a/drivers/staging/r8188eu/include/rtl8188e_spec.h
+++ b/drivers/staging/r8188eu/include/rtl8188e_spec.h
@@ -893,11 +893,7 @@ Current IOREG MAP
 #define _PSRX(x)			(x)
 #define _PSTX(x)			((x) << 4)
 
-#define PBP_64				0x0
 #define PBP_128				0x1
-#define PBP_256				0x2
-#define PBP_512				0x3
-#define PBP_1024			0x4
 
 /* 2 TX/RXDMA */
 #define RXDMA_ARBBW_EN			BIT(0)
-- 
2.20.1