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Subject[PATCH v6 05/19] staging: r8188eu: remove the helpers of usb_write8()
Date
From: Pavel Skripkin <paskripkin@gmail.com>

Remove the unnecessary _rtw_write8() and usb_write8() and embed their
code into the caller (i.e., rtw_write8()).

_rtw_write8() is a mere redefinition of rtw_write8() and it is unneeded.
usb_write8() was the only functions assigned to the (*_usb_write8) pointer,
so we can simply remove it and make a direct call.

This patch is in preparation for the _io_ops structure removal.

Co-developed-by: Fabio M. De Francesco <fmdefrancesco@gmail.com>
Signed-off-by: Fabio M. De Francesco <fmdefrancesco@gmail.com>
Signed-off-by: Pavel Skripkin <paskripkin@gmail.com>
---
drivers/staging/r8188eu/core/rtw_io.c | 15 ---------------
drivers/staging/r8188eu/hal/usb_ops_linux.c | 10 +++++++---
drivers/staging/r8188eu/include/rtw_io.h | 4 +---
3 files changed, 8 insertions(+), 21 deletions(-)

diff --git a/drivers/staging/r8188eu/core/rtw_io.c b/drivers/staging/r8188eu/core/rtw_io.c
index cb24500cbc6e..69ab6e24a4b7 100644
--- a/drivers/staging/r8188eu/core/rtw_io.c
+++ b/drivers/staging/r8188eu/core/rtw_io.c
@@ -34,21 +34,6 @@ jackson@realtek.com.tw
#define rtw_cpu_to_le16(val) cpu_to_le16(val)
#define rtw_cpu_to_le32(val) cpu_to_le32(val)

-int _rtw_write8(struct adapter *adapter, u32 addr, u8 val)
-{
- struct io_priv *pio_priv = &adapter->iopriv;
- struct intf_hdl *pintfhdl = &pio_priv->intf;
- int (*_write8)(struct intf_hdl *pintfhdl, u32 addr, u8 val);
- int ret;
-
- _write8 = pintfhdl->io_ops._write8;
-
- ret = _write8(pintfhdl, addr, val);
-
-
- return RTW_STATUS_CODE(ret);
-}
-
int _rtw_write16(struct adapter *adapter, u32 addr, u16 val)
{
struct io_priv *pio_priv = &adapter->iopriv;
diff --git a/drivers/staging/r8188eu/hal/usb_ops_linux.c b/drivers/staging/r8188eu/hal/usb_ops_linux.c
index 39fd9994787d..69e64863a5d1 100644
--- a/drivers/staging/r8188eu/hal/usb_ops_linux.c
+++ b/drivers/staging/r8188eu/hal/usb_ops_linux.c
@@ -133,11 +133,16 @@ u32 rtw_read32(struct adapter *adapter, u32 addr)
return le32_to_cpu(data);
}

-static int usb_write8(struct intf_hdl *pintfhdl, u32 addr, u8 val)
+int rtw_write8(struct adapter *adapter, u32 addr, u8 val)
{
+ struct io_priv *pio_priv = &adapter->iopriv;
+ struct intf_hdl *pintfhdl = &pio_priv->intf;
u16 wvalue = (u16)(addr & 0x0000ffff);
+ int ret;
+
+ ret = usbctrl_vendorreq(pintfhdl, wvalue, &val, 1, REALTEK_USB_VENQT_WRITE);

- return usbctrl_vendorreq(pintfhdl, wvalue, &val, 1, REALTEK_USB_VENQT_WRITE);
+ return RTW_STATUS_CODE(ret);
}

static int usb_write16(struct intf_hdl *pintfhdl, u32 addr, u16 val)
@@ -545,7 +550,6 @@ void rtl8188eu_set_intf_ops(struct _io_ops *pops)

memset((u8 *)pops, 0, sizeof(struct _io_ops));
pops->_read_port = &usb_read_port;
- pops->_write8 = &usb_write8;
pops->_write16 = &usb_write16;
pops->_write32 = &usb_write32;
pops->_writeN = &usb_writeN;
diff --git a/drivers/staging/r8188eu/include/rtw_io.h b/drivers/staging/r8188eu/include/rtw_io.h
index c53d9c8bd9a7..3b229027f094 100644
--- a/drivers/staging/r8188eu/include/rtw_io.h
+++ b/drivers/staging/r8188eu/include/rtw_io.h
@@ -252,7 +252,7 @@ void _rtw_read_mem(struct adapter *adapter, u32 addr, u32 cnt, u8 *pmem);
void _rtw_read_port(struct adapter *adapter, u32 addr, u32 cnt, u8 *pmem);
void _rtw_read_port_cancel(struct adapter *adapter);

-int _rtw_write8(struct adapter *adapter, u32 addr, u8 val);
+int rtw_write8(struct adapter *adapter, u32 addr, u8 val);
int _rtw_write16(struct adapter *adapter, u32 addr, u16 val);
int _rtw_write32(struct adapter *adapter, u32 addr, u32 val);
int _rtw_writeN(struct adapter *adapter, u32 addr, u32 length, u8 *pdata);
@@ -271,8 +271,6 @@ void _rtw_write_port_cancel(struct adapter *adapter);
_rtw_read_port((adapter), (addr), (cnt), (mem))
#define rtw_read_port_cancel(adapter) _rtw_read_port_cancel((adapter))

-#define rtw_write8(adapter, addr, val) \
- _rtw_write8((adapter), (addr), (val))
#define rtw_write16(adapter, addr, val) \
_rtw_write16((adapter), (addr), (val))
#define rtw_write32(adapter, addr, val) \
--
2.33.0
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