[PATCH] staging: rtl8723bs: remove unused function pointers

[PATCH] staging: rtl8723bs: remove unused function pointers

[Bera Yüzlü]

Remove unused struct members from _io_ops. With removal of this members
some functions in sdio_ops.c became useless so they are also removed.

Signed-off-by: Bera Yüzlü <b9788213@gmail.com>
---
 drivers/staging/rtl8723bs/hal/sdio_ops.c   | 116 ---------------------
 drivers/staging/rtl8723bs/include/rtw_io.h |  16 ---
 2 files changed, 132 deletions(-)

diff --git a/drivers/staging/rtl8723bs/hal/sdio_ops.c b/drivers/staging/rtl8723bs/hal/sdio_ops.c
index 8cece69dbf79..653395ff4b1c 100644
--- a/drivers/staging/rtl8723bs/hal/sdio_ops.c
+++ b/drivers/staging/rtl8723bs/hal/sdio_ops.c
@@ -191,51 +191,6 @@ static u32 sdio_read32(struct intf_hdl *intfhdl, u32 addr)
 	return val;
 }
 
-static s32 sdio_readN(struct intf_hdl *intfhdl, u32 addr, u32 cnt, u8 *buf)
-{
-	struct adapter *adapter;
-	u8 mac_pwr_ctrl_on;
-	u8 device_id;
-	u16 offset;
-	u32 ftaddr;
-	u8 shift;
-	s32 err;
-
-	adapter = intfhdl->padapter;
-	err = 0;
-
-	ftaddr = _cvrt2ftaddr(addr, &device_id, &offset);
-
-	rtw_hal_get_hwreg(adapter, HW_VAR_APFM_ON_MAC, &mac_pwr_ctrl_on);
-	if (
-		((device_id == WLAN_IOREG_DEVICE_ID) && (offset < 0x100)) ||
-		(!mac_pwr_ctrl_on) ||
-		(adapter_to_pwrctl(adapter)->fw_current_in_ps_mode)
-	)
-		return sd_cmd52_read(intfhdl, ftaddr, cnt, buf);
-
-	/*  4 bytes alignment */
-	shift = ftaddr & 0x3;
-	if (shift == 0) {
-		err = sd_read(intfhdl, ftaddr, cnt, buf);
-	} else {
-		u8 *tmpbuf;
-		u32 n;
-
-		ftaddr &= ~(u16)0x3;
-		n = cnt + shift;
-		tmpbuf = kmalloc(n, GFP_ATOMIC);
-		if (!tmpbuf)
-			return -ENOMEM;
-
-		err = sd_read(intfhdl, ftaddr, n, tmpbuf);
-		if (!err)
-			memcpy(buf, tmpbuf + shift, cnt);
-		kfree(tmpbuf);
-	}
-	return err;
-}
-
 static s32 sdio_write8(struct intf_hdl *intfhdl, u32 addr, u8 val)
 {
 	u32 ftaddr;
@@ -295,73 +250,6 @@ static s32 sdio_write32(struct intf_hdl *intfhdl, u32 addr, u32 val)
 	return err;
 }
 
-static s32 sdio_writeN(struct intf_hdl *intfhdl, u32 addr, u32 cnt, u8 *buf)
-{
-	struct adapter *adapter;
-	u8 mac_pwr_ctrl_on;
-	u8 device_id;
-	u16 offset;
-	u32 ftaddr;
-	u8 shift;
-	s32 err;
-
-	adapter = intfhdl->padapter;
-	err = 0;
-
-	ftaddr = _cvrt2ftaddr(addr, &device_id, &offset);
-
-	rtw_hal_get_hwreg(adapter, HW_VAR_APFM_ON_MAC, &mac_pwr_ctrl_on);
-	if (
-		((device_id == WLAN_IOREG_DEVICE_ID) && (offset < 0x100)) ||
-		(!mac_pwr_ctrl_on) ||
-		(adapter_to_pwrctl(adapter)->fw_current_in_ps_mode)
-	)
-		return sd_cmd52_write(intfhdl, ftaddr, cnt, buf);
-
-	shift = ftaddr & 0x3;
-	if (shift == 0) {
-		err = sd_write(intfhdl, ftaddr, cnt, buf);
-	} else {
-		u8 *tmpbuf;
-		u32 n;
-
-		ftaddr &= ~(u16)0x3;
-		n = cnt + shift;
-		tmpbuf = kmalloc(n, GFP_ATOMIC);
-		if (!tmpbuf)
-			return -ENOMEM;
-		err = sd_read(intfhdl, ftaddr, 4, tmpbuf);
-		if (err) {
-			kfree(tmpbuf);
-			return err;
-		}
-		memcpy(tmpbuf + shift, buf, cnt);
-		err = sd_write(intfhdl, ftaddr, n, tmpbuf);
-		kfree(tmpbuf);
-	}
-	return err;
-}
-
-static void sdio_read_mem(
-	struct intf_hdl *intfhdl,
-	u32 addr,
-	u32 cnt,
-	u8 *rmem
-)
-{
-	sdio_readN(intfhdl, addr, cnt, rmem);
-}
-
-static void sdio_write_mem(
-	struct intf_hdl *intfhdl,
-	u32 addr,
-	u32 cnt,
-	u8 *wmem
-)
-{
-	sdio_writeN(intfhdl, addr, cnt, wmem);
-}
-
 /*
  * Description:
  *Read from RX FIFO
@@ -463,14 +351,10 @@ void sdio_set_intf_ops(struct adapter *adapter, struct _io_ops *ops)
 	ops->_read8 = &sdio_read8;
 	ops->_read16 = &sdio_read16;
 	ops->_read32 = &sdio_read32;
-	ops->_read_mem = &sdio_read_mem;
-	ops->_read_port = &sdio_read_port;
 
 	ops->_write8 = &sdio_write8;
 	ops->_write16 = &sdio_write16;
 	ops->_write32 = &sdio_write32;
-	ops->_writeN = &sdio_writeN;
-	ops->_write_mem = &sdio_write_mem;
 	ops->_write_port = &sdio_write_port;
 }
 
diff --git a/drivers/staging/rtl8723bs/include/rtw_io.h b/drivers/staging/rtl8723bs/include/rtw_io.h
index adf1de4d7924..3c99a2bc19bd 100644
--- a/drivers/staging/rtl8723bs/include/rtw_io.h
+++ b/drivers/staging/rtl8723bs/include/rtw_io.h
@@ -18,24 +18,8 @@ struct _io_ops {
 		int (*_write8)(struct intf_hdl *pintfhdl, u32 addr, u8 val);
 		int (*_write16)(struct intf_hdl *pintfhdl, u32 addr, u16 val);
 		int (*_write32)(struct intf_hdl *pintfhdl, u32 addr, u32 val);
-		int (*_writeN)(struct intf_hdl *pintfhdl, u32 addr, u32 length, u8 *pdata);
 
-		int (*_write8_async)(struct intf_hdl *pintfhdl, u32 addr, u8 val);
-		int (*_write16_async)(struct intf_hdl *pintfhdl, u32 addr, u16 val);
-		int (*_write32_async)(struct intf_hdl *pintfhdl, u32 addr, u32 val);
-
-		void (*_read_mem)(struct intf_hdl *pintfhdl, u32 addr, u32 cnt, u8 *pmem);
-		void (*_write_mem)(struct intf_hdl *pintfhdl, u32 addr, u32 cnt, u8 *pmem);
-
-		u32 (*_read_interrupt)(struct intf_hdl *pintfhdl, u32 addr);
-
-		u32 (*_read_port)(struct intf_hdl *pintfhdl, u32 addr, u32 cnt, u8 *pmem);
 		u32 (*_write_port)(struct intf_hdl *pintfhdl, u32 addr, u32 cnt, u8 *pmem);
-
-		u32 (*_write_scsi)(struct intf_hdl *pintfhdl, u32 cnt, u8 *pmem);
-
-		void (*_read_port_cancel)(struct intf_hdl *pintfhdl);
-		void (*_write_port_cancel)(struct intf_hdl *pintfhdl);
 };
 
 struct	intf_hdl {
-- 
2.53.0