linux-kernel - [PATCH 4/6] staging: rtl8723bs: remove sdio

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Date:   Sat, 21 Aug 2021 23:55:58 +0000
From:   Bryan Brattlof <hello@...anbrattlof.com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     Bryan Brattlof <hello@...anbrattlof.com>,
        linux-staging@...ts.linux.dev, linux-kernel@...r.kernel.org
Subject: [PATCH 4/6] staging: rtl8723bs: remove sdio_readN()

The sdio_readN() function is unused. We can remove it.

Signed-off-by: Bryan Brattlof <hello@...anbrattlof.com>
---
 drivers/staging/rtl8723bs/hal/sdio_ops.c | 45 ------------------------
 1 file changed, 45 deletions(-)

diff --git a/drivers/staging/rtl8723bs/hal/sdio_ops.c b/drivers/staging/rtl8723bs/hal/sdio_ops.c
index 019ace4b8564..928fa109565e 100644
--- a/drivers/staging/rtl8723bs/hal/sdio_ops.c
+++ b/drivers/staging/rtl8723bs/hal/sdio_ops.c
@@ -195,51 +195,6 @@ 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 = rtw_malloc(n);
-		if (!tmpbuf)
-			return -1;
-
-		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;
--
2.30.2