staging: r8188eu: remove struct io_priv

struct io_priv has only one member (and a pointer to the enclosing struct
adapter). We can remove struct io_priv and move its member directly into
struct adapter.
Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Tested-by: Philipp Hortmann <philipp.g.hortmann@gmail.com> # Edimax N150
Link: https://lore.kernel.org/r/20230111195640.306748-2-martin@kaiser.cxSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/r8188eu/hal/usb_ops_linux.c

@@ -95,8 +95,7 @@ static int usb_write(struct intf_hdl *intf, u16 value, void *data, u8 size)
 
 int __must_check rtw_read8(struct adapter *adapter, u32 addr, u8 *data)
 {
-	struct io_priv *io_priv = &adapter->iopriv;
-	struct intf_hdl *intf = &io_priv->intf;
+	struct intf_hdl *intf = &adapter->intf;
 	u16 value = addr & 0xffff;
 
 	return usb_read(intf, value, data, 1);
@@ -104,8 +103,7 @@ int __must_check rtw_read8(struct adapter *adapter, u32 addr, u8 *data)
 
 int __must_check rtw_read16(struct adapter *adapter, u32 addr, u16 *data)
 {
-	struct io_priv *io_priv = &adapter->iopriv;
-	struct intf_hdl *intf = &io_priv->intf;
+	struct intf_hdl *intf = &adapter->intf;
 	u16 value = addr & 0xffff;
 	__le16 le_data;
 	int res;
@@ -121,8 +119,7 @@ int __must_check rtw_read16(struct adapter *adapter, u32 addr, u16 *data)
 
 int __must_check rtw_read32(struct adapter *adapter, u32 addr, u32 *data)
 {
-	struct io_priv *io_priv = &adapter->iopriv;
-	struct intf_hdl *intf = &io_priv->intf;
+	struct intf_hdl *intf = &adapter->intf;
 	u16 value = addr & 0xffff;
 	__le32 le_data;
 	int res;
@@ -138,8 +135,7 @@ int __must_check rtw_read32(struct adapter *adapter, u32 addr, u32 *data)
 
 int rtw_write8(struct adapter *adapter, u32 addr, u8 val)
 {
-	struct io_priv *io_priv = &adapter->iopriv;
-	struct intf_hdl *intf = &io_priv->intf;
+	struct intf_hdl *intf = &adapter->intf;
 	u16 value = addr & 0xffff;
 	int ret;
 
@@ -150,8 +146,7 @@ int rtw_write8(struct adapter *adapter, u32 addr, u8 val)
 
 int rtw_write16(struct adapter *adapter, u32 addr, u16 val)
 {
-	struct io_priv *io_priv = &adapter->iopriv;
-	struct intf_hdl *intf = &io_priv->intf;
+	struct intf_hdl *intf = &adapter->intf;
 	u16 value = addr & 0xffff;
 	__le16 data = cpu_to_le16(val);
 	int ret;
@@ -163,8 +158,7 @@ int rtw_write16(struct adapter *adapter, u32 addr, u16 val)
 
 int rtw_write32(struct adapter *adapter, u32 addr, u32 val)
 {
-	struct io_priv *io_priv = &adapter->iopriv;
-	struct intf_hdl *intf = &io_priv->intf;
+	struct intf_hdl *intf = &adapter->intf;
 	u16 value = addr & 0xffff;
 	__le32 data = cpu_to_le32(val);
 	int ret;
@@ -176,8 +170,7 @@ int rtw_write32(struct adapter *adapter, u32 addr, u32 val)
 
 int rtw_writeN(struct adapter *adapter, u32 addr, u32 length, u8 *data)
 {
-	struct io_priv *io_priv = &adapter->iopriv;
-	struct intf_hdl *intf = &io_priv->intf;
+	struct intf_hdl *intf = &adapter->intf;
 	u16 value = addr & 0xffff;
 
 	if (length > VENDOR_CMD_MAX_DATA_LEN)

drivers/staging/r8188eu/include/drv_types.h

@@ -152,7 +152,7 @@ struct adapter {
 	struct	mlme_ext_priv mlmeextpriv;
 	struct	cmd_priv	cmdpriv;
 	struct	evt_priv	evtpriv;
-	struct	io_priv	iopriv;
+	struct	intf_hdl	intf;
 	struct	xmit_priv	xmitpriv;
 	struct	recv_priv	recvpriv;
 	struct	sta_priv	stapriv;

drivers/staging/r8188eu/include/rtw_io.h

@@ -203,11 +203,6 @@ struct io_queue {
 	struct	intf_hdl	intf;
 };
 
-struct io_priv {
-	struct adapter *padapter;
-	struct intf_hdl intf;
-};
-
 uint ioreq_flush(struct adapter *adapter, struct io_queue *ioqueue);
 void sync_ioreq_enqueue(struct io_req *preq, struct io_queue *ioqueue);
 uint sync_ioreq_flush(struct adapter *adapter, struct io_queue *ioqueue);

drivers/staging/r8188eu/os_dep/usb_intf.c

@@ -290,7 +290,6 @@ static int rtw_usb_if1_init(struct dvobj_priv *dvobj, struct usb_interface *pusb
 {
 	struct adapter *padapter = NULL;
 	struct net_device *pnetdev = NULL;
-	struct io_priv *piopriv;
 	struct intf_hdl *pintf;
 	int ret;
 
@@ -319,9 +318,7 @@ static int rtw_usb_if1_init(struct dvobj_priv *dvobj, struct usb_interface *pusb
 	padapter->intf_stop = &usb_intf_stop;
 
 	/* step init_io_priv */
-	piopriv = &padapter->iopriv;
-	pintf = &piopriv->intf;
-	piopriv->padapter = padapter;
+	pintf = &padapter->intf;
 	pintf->padapter = padapter;
 	pintf->pintf_dev = adapter_to_dvobj(padapter);