Commit 3d0be94f authored by Martin Kaiser's avatar Martin Kaiser Committed by Greg Kroah-Hartman
Browse files

staging: rtl8188eu: ctrl vendor req index is not used 



The index for rtl8188eu's vendor-specific control requests is not used.
Remove the index parameter from usbctrl_vendorreq and pass index 0 to
usb_control_msg.

Signed-off-by: default avatarMartin Kaiser <martin@kaiser.cx>
Link: https://lore.kernel.org/r/20210406204829.18130-3-martin@kaiser.cx


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent eeb46615

drivers/staging/rtl8188eu/os_dep/usb_ops_linux.c

+10 −23
Original line number Diff line number Diff line
@@ -11,6 +11,7 @@ 
#include <rtw_sreset.h>



#define REALTEK_USB_VENQT_CMD_REQ	0x05

#define REALTEK_USB_VENQT_CMD_IDX	0x00



static void interrupt_handler_8188eu(struct adapter *adapt, u16 pkt_len, u8 *pbuf)

{
@@ -201,7 +202,7 @@ unsigned int ffaddr2pipehdl(struct dvobj_priv *pdvobj, u32 addr) 
}



static int

usbctrl_vendorreq(struct adapter *adapt, u16 value, u16 index, void *pdata, u16 len, u8 requesttype)

usbctrl_vendorreq(struct adapter *adapt, u16 value, void *pdata, u16 len, u8 requesttype)

{

	struct dvobj_priv *dvobjpriv = adapter_to_dvobj(adapt);

	struct usb_device *udev = dvobjpriv->pusbdev;
@@ -251,7 +252,8 @@ usbctrl_vendorreq(struct adapter *adapt, u16 value, u16 index, void *pdata, u16 
		}



		status = usb_control_msg(udev, pipe, REALTEK_USB_VENQT_CMD_REQ,

					 reqtype, value, index, pIo_buf, len, RTW_USB_CONTROL_MSG_TIMEOUT);

					 reqtype, value, REALTEK_USB_VENQT_CMD_IDX,

					 pIo_buf, len, RTW_USB_CONTROL_MSG_TIMEOUT);



		if (status == len) {   /*  Success this control transfer. */

			if (requesttype == 0x01)
@@ -292,17 +294,15 @@ u8 usb_read8(struct adapter *adapter, u32 addr) 
{

	u8 requesttype;

	u16 wvalue;

	u16 index;

	u16 len;

	u8 data = 0;



	requesttype = 0x01;/* read_in */

	index = 0;/* n/a */



	wvalue = (u16)(addr & 0x0000ffff);

	len = 1;



	usbctrl_vendorreq(adapter, wvalue, index, &data, len, requesttype);

	usbctrl_vendorreq(adapter, wvalue, &data, len, requesttype);



	return data;

}
@@ -311,15 +311,13 @@ u16 usb_read16(struct adapter *adapter, u32 addr) 
{

	u8 requesttype;

	u16 wvalue;

	u16 index;

	u16 len;

	__le32 data;



	requesttype = 0x01;/* read_in */

	index = 0;/* n/a */

	wvalue = (u16)(addr & 0x0000ffff);

	len = 2;

	usbctrl_vendorreq(adapter, wvalue, index, &data, len, requesttype);

	usbctrl_vendorreq(adapter, wvalue, &data, len, requesttype);



	return (u16)(le32_to_cpu(data) & 0xffff);

}
@@ -328,17 +326,15 @@ u32 usb_read32(struct adapter *adapter, u32 addr) 
{

	u8 requesttype;

	u16 wvalue;

	u16 index;

	u16 len;

	__le32 data;



	requesttype = 0x01;/* read_in */

	index = 0;/* n/a */



	wvalue = (u16)(addr & 0x0000ffff);

	len = 4;



	usbctrl_vendorreq(adapter, wvalue, index, &data, len, requesttype);

	usbctrl_vendorreq(adapter, wvalue, &data, len, requesttype);



	return le32_to_cpu(data);

}
@@ -508,56 +504,47 @@ int usb_write8(struct adapter *adapter, u32 addr, u8 val) 
{

	u8 requesttype;

	u16 wvalue;

	u16 index;

	u16 len;

	u8 data;



	requesttype = 0x00;/* write_out */

	index = 0;/* n/a */

	wvalue = (u16)(addr & 0x0000ffff);

	len = 1;

	data = val;

	return usbctrl_vendorreq(adapter, wvalue,

				 index, &data, len, requesttype);

	return usbctrl_vendorreq(adapter, wvalue, &data, len, requesttype);

}



int usb_write16(struct adapter *adapter, u32 addr, u16 val)

{

	u8 requesttype;

	u16 wvalue;

	u16 index;

	u16 len;

	__le32 data;



	requesttype = 0x00;/* write_out */

	index = 0;/* n/a */



	wvalue = (u16)(addr & 0x0000ffff);

	len = 2;



	data = cpu_to_le32(val & 0x0000ffff);



	return usbctrl_vendorreq(adapter, wvalue,

				 index, &data, len, requesttype);

	return usbctrl_vendorreq(adapter, wvalue, &data, len, requesttype);

}



int usb_write32(struct adapter *adapter, u32 addr, u32 val)

{

	u8 requesttype;

	u16 wvalue;

	u16 index;

	u16 len;

	__le32 data;



	requesttype = 0x00;/* write_out */

	index = 0;/* n/a */



	wvalue = (u16)(addr & 0x0000ffff);

	len = 4;

	data = cpu_to_le32(val);



	return usbctrl_vendorreq(adapter, wvalue,

				 index, &data, len, requesttype);

	return usbctrl_vendorreq(adapter, wvalue, &data, len, requesttype);

}



static void usb_write_port_complete(struct urb *purb, struct pt_regs *regs)