linux-kernel - [PATCH 3/8] staging: r8188eu: get the rcv bulk pipe handle directly

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Date:   Fri, 26 Nov 2021 18:32:00 +0100
From:   Martin Kaiser <martin@...ser.cx>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     Larry Finger <Larry.Finger@...inger.net>,
        Phillip Potter <phil@...lpotter.co.uk>,
        Michael Straube <straube.linux@...il.com>,
        linux-staging@...ts.linux.dev, linux-kernel@...r.kernel.org,
        Martin Kaiser <martin@...ser.cx>
Subject: [PATCH 3/8] staging: r8188eu: get the rcv bulk pipe handle directly

There's no point in calling ffaddr2pipehdl from rtw_read_port if the
endpoint address is constant. We can call usb_rcvbulkpipe ourselves
to get the pipe handle.

We can now remove RECV_BULK_IN_ADDR.

Signed-off-by: Martin Kaiser <martin@...ser.cx>
---
 drivers/staging/r8188eu/hal/usb_ops_linux.c     | 2 +-
 drivers/staging/r8188eu/include/rtl8188e_recv.h | 1 -
 drivers/staging/r8188eu/os_dep/usb_ops_linux.c  | 4 +---
 3 files changed, 2 insertions(+), 5 deletions(-)

diff --git a/drivers/staging/r8188eu/hal/usb_ops_linux.c b/drivers/staging/r8188eu/hal/usb_ops_linux.c
index 6af55cd6c061..d66a4b394610 100644
--- a/drivers/staging/r8188eu/hal/usb_ops_linux.c
+++ b/drivers/staging/r8188eu/hal/usb_ops_linux.c
@@ -507,7 +507,7 @@ u32 rtw_read_port(struct adapter *adapter, u8 *rmem)
 	purb = precvbuf->purb;
 
 	/* translate DMA FIFO addr to pipehandle */
-	pipe = ffaddr2pipehdl(pdvobj, RECV_BULK_IN_ADDR);
+	pipe = usb_rcvbulkpipe(pusbd, pdvobj->RtInPipe[0]);
 
 	usb_fill_bulk_urb(purb, pusbd, pipe,
 			  precvbuf->pbuf,
diff --git a/drivers/staging/r8188eu/include/rtl8188e_recv.h b/drivers/staging/r8188eu/include/rtl8188e_recv.h
index 2ab395ef579b..3aa28b3ccb30 100644
--- a/drivers/staging/r8188eu/include/rtl8188e_recv.h
+++ b/drivers/staging/r8188eu/include/rtl8188e_recv.h
@@ -9,7 +9,6 @@
 #define RECV_BLK_SZ 512
 #define RECV_BLK_CNT 16
 #define RECV_BLK_TH RECV_BLK_CNT
-#define RECV_BULK_IN_ADDR		0x80
 #define RECV_INT_IN_ADDR		0x81
 
 #define NR_PREALLOC_RECV_SKB (8)
diff --git a/drivers/staging/r8188eu/os_dep/usb_ops_linux.c b/drivers/staging/r8188eu/os_dep/usb_ops_linux.c
index ef2ea68ae873..5c659caa0975 100644
--- a/drivers/staging/r8188eu/os_dep/usb_ops_linux.c
+++ b/drivers/staging/r8188eu/os_dep/usb_ops_linux.c
@@ -12,9 +12,7 @@ unsigned int ffaddr2pipehdl(struct dvobj_priv *pdvobj, u32 addr)
 	unsigned int pipe = 0, ep_num = 0;
 	struct usb_device *pusbd = pdvobj->pusbdev;
 
-	if (addr == RECV_BULK_IN_ADDR) {
-		pipe = usb_rcvbulkpipe(pusbd, pdvobj->RtInPipe[0]);
-	} else if (addr == RECV_INT_IN_ADDR) {
+	if (addr == RECV_INT_IN_ADDR) {
 		pipe = usb_rcvbulkpipe(pusbd, pdvobj->RtInPipe[1]);
 	} else if (addr < HW_QUEUE_ENTRY) {
 		ep_num = pdvobj->Queue2Pipe[addr];
-- 
2.20.1