linux-kernel - [PATCH 07/10] staging: r8188eu: clean up the usb

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Message-Id: <20210821164859.4351-7-martin@kaiser.cx>
Date:   Sat, 21 Aug 2021 18:48:56 +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>,
        Dan Carpenter <dan.carpenter@...cle.com>,
        Michael Straube <straube.linux@...il.com>,
        linux-staging@...ts.linux.dev, linux-kernel@...r.kernel.org,
        Martin Kaiser <martin@...ser.cx>
Subject: [PATCH 07/10] staging: r8188eu: clean up the usb_writeXY functions

Remove unnecessary variables, summarize declarations and assignments.

Signed-off-by: Martin Kaiser <martin@...ser.cx>
---
 drivers/staging/r8188eu/hal/usb_ops_linux.c | 50 ++++-----------------
 1 file changed, 8 insertions(+), 42 deletions(-)

diff --git a/drivers/staging/r8188eu/hal/usb_ops_linux.c b/drivers/staging/r8188eu/hal/usb_ops_linux.c
index cb969a200681..e01f1ac19596 100644
--- a/drivers/staging/r8188eu/hal/usb_ops_linux.c
+++ b/drivers/staging/r8188eu/hal/usb_ops_linux.c
@@ -128,59 +128,25 @@ static u32 usb_read32(struct intf_hdl *pintfhdl, u32 addr)
 
 static int usb_write8(struct intf_hdl *pintfhdl, u32 addr, u8 val)
 {
-	u16 wvalue;
-	u16 len;
-	u8 data;
-	int ret;
-
-
-	wvalue = (u16)(addr & 0x0000ffff);
-	len = 1;
-	data = val;
-	ret = usbctrl_vendorreq(pintfhdl, wvalue, &data, len, REALTEK_USB_VENQT_WRITE);
+	u16 wvalue = (u16)(addr & 0x0000ffff);
 
-	return ret;
+	return usbctrl_vendorreq(pintfhdl, wvalue, &val, 1, REALTEK_USB_VENQT_WRITE);
 }
 
 static int usb_write16(struct intf_hdl *pintfhdl, u32 addr, u16 val)
 {
-	u16 wvalue;
-	u16 len;
-	__le32 data;
-	int ret;
-
-
-
-	wvalue = (u16)(addr & 0x0000ffff);
-	len = 2;
-
-	data = cpu_to_le32(val & 0x0000ffff);
-
-	ret = usbctrl_vendorreq(pintfhdl, wvalue, &data, len, REALTEK_USB_VENQT_WRITE);
-
-
+	u16 wvalue = (u16)(addr & 0x0000ffff);
+	__le32 data = cpu_to_le32(val & 0x0000ffff);
 
-	return ret;
+	return usbctrl_vendorreq(pintfhdl, wvalue, &data, 2, REALTEK_USB_VENQT_WRITE);
 }
 
 static int usb_write32(struct intf_hdl *pintfhdl, u32 addr, u32 val)
 {
-	u16 wvalue;
-	u16 len;
-	__le32 data;
-	int ret;
-
-
-
-	wvalue = (u16)(addr & 0x0000ffff);
-	len = 4;
-	data = cpu_to_le32(val);
-
-	ret = usbctrl_vendorreq(pintfhdl, wvalue, &data, len, REALTEK_USB_VENQT_WRITE);
-
-
+	u16 wvalue = (u16)(addr & 0x0000ffff);
+	__le32 data = cpu_to_le32(val);
 
-	return ret;
+	return usbctrl_vendorreq(pintfhdl, wvalue, &data, 4, REALTEK_USB_VENQT_WRITE);
 }
 
 static int usb_writeN(struct intf_hdl *pintfhdl, u32 addr, u32 length, u8 *pdata)
-- 
2.20.1