linux-kernel - [PATCH 6/7] staging: r8188eu: IntArray and C2hArray are set but never used

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Date:   Thu, 30 Dec 2021 21:00:58 +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 6/7] staging: r8188eu: IntArray and C2hArray are set but never used

The fields IntArray and C2hArray of struct hal_data_8188e are set but
never used. Remove them.

While at it, remove the unsed defines USB_INTR_CONTENT_CPWM1_OFFSET
and USB_INTR_CONTENT_CPWM2_OFFSET as well.

Signed-off-by: Michael Straube <straube.linux@...il.com>
---
 drivers/staging/r8188eu/hal/usb_ops_linux.c     | 10 ----------
 drivers/staging/r8188eu/include/rtl8188e_hal.h  |  3 ---
 drivers/staging/r8188eu/include/rtl8188e_spec.h |  7 -------
 3 files changed, 20 deletions(-)

diff --git a/drivers/staging/r8188eu/hal/usb_ops_linux.c b/drivers/staging/r8188eu/hal/usb_ops_linux.c
index 9ec55a77dccd..85bcde5ee79a 100644
--- a/drivers/staging/r8188eu/hal/usb_ops_linux.c
+++ b/drivers/staging/r8188eu/hal/usb_ops_linux.c
@@ -185,20 +185,10 @@ int rtw_writeN(struct adapter *adapter, u32 addr, u32 length, u8 *data)
 
 static void interrupt_handler_8188eu(struct adapter *adapt, u16 pkt_len, u8 *pbuf)
 {
-	struct hal_data_8188e *haldata = &adapt->haldata;
-
 	if (pkt_len != INTERRUPT_MSG_FORMAT_LEN) {
 		DBG_88E("%s Invalid interrupt content length (%d)!\n", __func__, pkt_len);
 		return;
 	}
-
-	/*  HISR */
-	memcpy(&haldata->IntArray[0], &pbuf[USB_INTR_CONTENT_HISR_OFFSET], 4);
-	memcpy(&haldata->IntArray[1], &pbuf[USB_INTR_CONTENT_HISRE_OFFSET], 4);
-
-	/*  C2H Event */
-	if (pbuf[0] != 0)
-		memcpy(&haldata->C2hArray[0], &pbuf[USB_INTR_CONTENT_C2H_OFFSET], 16);
 }
 
 static int recvbuf2recvframe(struct adapter *adapt, struct sk_buff *pskb)
diff --git a/drivers/staging/r8188eu/include/rtl8188e_hal.h b/drivers/staging/r8188eu/include/rtl8188e_hal.h
index 2ce42d647a34..239d0db55639 100644
--- a/drivers/staging/r8188eu/include/rtl8188e_hal.h
+++ b/drivers/staging/r8188eu/include/rtl8188e_hal.h
@@ -246,9 +246,6 @@ struct hal_data_8188e {
 
 	u32	UsbBulkOutSize;
 
-	/*  Interrupt relatd register information. */
-	u32	IntArray[3];/* HISR0,HISR1,HSISR */
-	u8	C2hArray[16];
 	u8	UsbTxAggMode;
 	u8	UsbTxAggDescNum;
 
diff --git a/drivers/staging/r8188eu/include/rtl8188e_spec.h b/drivers/staging/r8188eu/include/rtl8188e_spec.h
index e59fd2fe82c5..009222b4a95d 100644
--- a/drivers/staging/r8188eu/include/rtl8188e_spec.h
+++ b/drivers/staging/r8188eu/include/rtl8188e_spec.h
@@ -475,13 +475,6 @@ Default: 00b.
 #define	MSR_INFRA			0x02
 #define	MSR_AP				0x03
 
-/*   88EU (MSR) Media Status Register	(Offset 0x4C, 8 bits) */
-#define	USB_INTR_CONTENT_C2H_OFFSET	0
-#define	USB_INTR_CONTENT_CPWM1_OFFSET	16
-#define	USB_INTR_CONTENT_CPWM2_OFFSET	20
-#define	USB_INTR_CONTENT_HISR_OFFSET	48
-#define	USB_INTR_CONTENT_HISRE_OFFSET	52
-
 /*  88E Driver Initialization Offload REG_FDHM0(Offset 0x88, 8 bits) */
 /* IOL config for REG_FDHM0(Reg0x88) */
 #define CMD_INIT_LLT			BIT(0)
-- 
2.34.1