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Subject[PATCH 2/8] staging: r8188eu: only the bulk in ep is used for network data
Date
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>
---
drivers/staging/r8188eu/hal/usb_halinit.c | 4 +---
drivers/staging/r8188eu/hal/usb_ops_linux.c | 10 +++++-----
drivers/staging/r8188eu/include/rtw_io.h | 2 +-
drivers/staging/r8188eu/include/rtw_recv.h | 1 -
4 files changed, 7 insertions(+), 10 deletions(-)

diff --git a/drivers/staging/r8188eu/hal/usb_halinit.c b/drivers/staging/r8188eu/hal/usb_halinit.c
index 030438073661..ad54d5fcf45e 100644
--- a/drivers/staging/r8188eu/hal/usb_halinit.c
+++ b/drivers/staging/r8188eu/hal/usb_halinit.c
@@ -932,12 +932,10 @@ 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 92fcc4441ee9..6af55cd6c061 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 0e896d0b56a7..6910e2b430e2 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 1e28ec731547..b43a46887343 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;
--
2.20.1
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