From: Martin Kaiser <martin@kaiser.cx>
Date: Fri, 26 Nov 2021 17:31:59 +0000 (+0100)
Subject: staging: r8188eu: only the bulk in ep is used for network data
X-Git-Tag: v6.1-rc5~2247^2~213
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=25b9bd7589109abcdc02a9e953c35f484037620e;p=platform%2Fkernel%2Flinux-starfive.git

staging: r8188eu: only the bulk in ep is used for network data

All supported devices use a single bulk in endpoint for receiving
network data.

The rtw_read_port function needs no addr parameter. The ff_hwaddr in
struct recv_priv is also a constant value. We can use RECV_BULK_IN_ADDR
directly.

Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Link: https://lore.kernel.org/r/20211126173205.21352-3-martin@kaiser.cx
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/staging/r8188eu/hal/usb_halinit.c b/drivers/staging/r8188eu/hal/usb_halinit.c
index af90127..4a2445d 100644
--- a/drivers/staging/r8188eu/hal/usb_halinit.c
+++ b/drivers/staging/r8188eu/hal/usb_halinit.c
@@ -948,12 +948,10 @@ unsigned int rtl8188eu_inirp_init(struct adapter *Adapter)
 
 	status = _SUCCESS;
 
-	precvpriv->ff_hwaddr = RECV_BULK_IN_ADDR;
-
 	/* issue Rx irp to receive data */
 	precvbuf = (struct recv_buf *)precvpriv->precv_buf;
 	for (i = 0; i < NR_RECVBUFF; i++) {
-		if (!rtw_read_port(Adapter, precvpriv->ff_hwaddr, (unsigned char *)precvbuf)) {
+		if (!rtw_read_port(Adapter, (unsigned char *)precvbuf)) {
 			status = _FAIL;
 			goto exit;
 		}
diff --git a/drivers/staging/r8188eu/hal/usb_ops_linux.c b/drivers/staging/r8188eu/hal/usb_ops_linux.c
index 92fcc44..6af55cd 100644
--- a/drivers/staging/r8188eu/hal/usb_ops_linux.c
+++ b/drivers/staging/r8188eu/hal/usb_ops_linux.c
@@ -401,7 +401,7 @@ static void usb_read_port_complete(struct urb *purb, struct pt_regs *regs)
 	if (purb->status == 0) { /* SUCCESS */
 		if ((purb->actual_length > MAX_RECVBUF_SZ) || (purb->actual_length < RXDESC_SIZE)) {
 			precvbuf->reuse = true;
-			rtw_read_port(adapt, precvpriv->ff_hwaddr, (unsigned char *)precvbuf);
+			rtw_read_port(adapt, (unsigned char *)precvbuf);
 			DBG_88E("%s()-%d: RX Warning!\n", __func__, __LINE__);
 		} else {
 			rtw_reset_continual_urb_error(adapter_to_dvobj(adapt));
@@ -415,7 +415,7 @@ static void usb_read_port_complete(struct urb *purb, struct pt_regs *regs)
 
 			precvbuf->pskb = NULL;
 			precvbuf->reuse = false;
-			rtw_read_port(adapt, precvpriv->ff_hwaddr, (unsigned char *)precvbuf);
+			rtw_read_port(adapt, (unsigned char *)precvbuf);
 		}
 	} else {
 		DBG_88E("###=> usb_read_port_complete => urb status(%d)\n", purb->status);
@@ -436,7 +436,7 @@ static void usb_read_port_complete(struct urb *purb, struct pt_regs *regs)
 		case -EPROTO:
 		case -EOVERFLOW:
 			precvbuf->reuse = true;
-			rtw_read_port(adapt, precvpriv->ff_hwaddr, (unsigned char *)precvbuf);
+			rtw_read_port(adapt, (unsigned char *)precvbuf);
 			break;
 		case -EINPROGRESS:
 			DBG_88E("ERROR: URB IS IN PROGRESS!/n");
@@ -447,7 +447,7 @@ static void usb_read_port_complete(struct urb *purb, struct pt_regs *regs)
 	}
 }
 
-u32 rtw_read_port(struct adapter *adapter, u32 addr, u8 *rmem)
+u32 rtw_read_port(struct adapter *adapter, u8 *rmem)
 {
 	struct urb *purb = NULL;
 	struct recv_buf	*precvbuf = (struct recv_buf *)rmem;
@@ -507,7 +507,7 @@ u32 rtw_read_port(struct adapter *adapter, u32 addr, u8 *rmem)
 	purb = precvbuf->purb;
 
 	/* translate DMA FIFO addr to pipehandle */
-	pipe = ffaddr2pipehdl(pdvobj, addr);
+	pipe = ffaddr2pipehdl(pdvobj, RECV_BULK_IN_ADDR);
 
 	usb_fill_bulk_urb(purb, pusbd, pipe,
 			  precvbuf->pbuf,
diff --git a/drivers/staging/r8188eu/include/rtw_io.h b/drivers/staging/r8188eu/include/rtw_io.h
index 0e896d0..6910e2b 100644
--- a/drivers/staging/r8188eu/include/rtw_io.h
+++ b/drivers/staging/r8188eu/include/rtw_io.h
@@ -224,7 +224,7 @@ u8 rtw_read8(struct adapter *adapter, u32 addr);
 u16 rtw_read16(struct adapter *adapter, u32 addr);
 u32 rtw_read32(struct adapter *adapter, u32 addr);
 void _rtw_read_mem(struct adapter *adapter, u32 addr, u32 cnt, u8 *pmem);
-u32 rtw_read_port(struct adapter *adapter, u32 addr, u8 *pmem);
+u32 rtw_read_port(struct adapter *adapter, u8 *pmem);
 void rtw_read_port_cancel(struct adapter *adapter);
 
 int rtw_write8(struct adapter *adapter, u32 addr, u8 val);
diff --git a/drivers/staging/r8188eu/include/rtw_recv.h b/drivers/staging/r8188eu/include/rtw_recv.h
index 1e28ec7..b43a468 100644
--- a/drivers/staging/r8188eu/include/rtw_recv.h
+++ b/drivers/staging/r8188eu/include/rtw_recv.h
@@ -177,7 +177,6 @@ struct recv_priv {
 	uint  rx_smallpacket_crcerr;
 	uint  rx_middlepacket_crcerr;
 	struct semaphore allrxreturnevt;
-	uint	ff_hwaddr;
 	u8	rx_pending_cnt;
 
 	struct tasklet_struct irq_prepare_beacon_tasklet;