From b67fda9a8280b14d44712d2ad6413e0074b070b8 Mon Sep 17 00:00:00 2001 From: Hayes Wang Date: Thu, 17 Jun 2021 18:00:15 +0800 Subject: [PATCH] r8152: store the information of the pipes Store the information of the pipes to avoid calling usb_rcvctrlpipe(), usb_sndctrlpipe(), usb_rcvbulkpipe(), usb_sndbulkpipe(), and usb_rcvintpipe() frequently. Signed-off-by: Hayes Wang Signed-off-by: David S. Miller --- drivers/net/usb/r8152.c | 18 +++++++++++++----- 1 file changed, 13 insertions(+), 5 deletions(-) diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c index 85039e17f4cd..62cd48dc2878 100644 --- a/drivers/net/usb/r8152.c +++ b/drivers/net/usb/r8152.c @@ -931,6 +931,8 @@ struct r8152 { u32 rx_pending; u32 fc_pause_on, fc_pause_off; + unsigned int pipe_in, pipe_out, pipe_intr, pipe_ctrl_in, pipe_ctrl_out; + u32 support_2500full:1; u32 lenovo_macpassthru:1; u32 dell_tb_rx_agg_bug:1; @@ -1198,7 +1200,7 @@ int get_registers(struct r8152 *tp, u16 value, u16 index, u16 size, void *data) if (!tmp) return -ENOMEM; - ret = usb_control_msg(tp->udev, usb_rcvctrlpipe(tp->udev, 0), + ret = usb_control_msg(tp->udev, tp->pipe_ctrl_in, RTL8152_REQ_GET_REGS, RTL8152_REQT_READ, value, index, tmp, size, 500); if (ret < 0) @@ -1221,7 +1223,7 @@ int set_registers(struct r8152 *tp, u16 value, u16 index, u16 size, void *data) if (!tmp) return -ENOMEM; - ret = usb_control_msg(tp->udev, usb_sndctrlpipe(tp->udev, 0), + ret = usb_control_msg(tp->udev, tp->pipe_ctrl_out, RTL8152_REQ_SET_REGS, RTL8152_REQT_WRITE, value, index, tmp, size, 500); @@ -2041,7 +2043,7 @@ static int alloc_all_mem(struct r8152 *tp) goto err1; tp->intr_interval = (int)ep_intr->desc.bInterval; - usb_fill_int_urb(tp->intr_urb, tp->udev, usb_rcvintpipe(tp->udev, 3), + usb_fill_int_urb(tp->intr_urb, tp->udev, tp->pipe_intr, tp->intr_buff, INTBUFSIZE, intr_callback, tp, tp->intr_interval); @@ -2305,7 +2307,7 @@ static int r8152_tx_agg_fill(struct r8152 *tp, struct tx_agg *agg) if (ret < 0) goto out_tx_fill; - usb_fill_bulk_urb(agg->urb, tp->udev, usb_sndbulkpipe(tp->udev, 2), + usb_fill_bulk_urb(agg->urb, tp->udev, tp->pipe_out, agg->head, (int)(tx_data - (u8 *)agg->head), (usb_complete_t)write_bulk_callback, agg); @@ -2620,7 +2622,7 @@ int r8152_submit_rx(struct r8152 *tp, struct rx_agg *agg, gfp_t mem_flags) !test_bit(WORK_ENABLE, &tp->flags) || !netif_carrier_ok(tp->netdev)) return 0; - usb_fill_bulk_urb(agg->urb, tp->udev, usb_rcvbulkpipe(tp->udev, 1), + usb_fill_bulk_urb(agg->urb, tp->udev, tp->pipe_in, agg->buffer, tp->rx_buf_sz, (usb_complete_t)read_bulk_callback, agg); @@ -9507,6 +9509,12 @@ static int rtl8152_probe(struct usb_interface *intf, tp->intf = intf; tp->version = version; + tp->pipe_ctrl_in = usb_rcvctrlpipe(udev, 0); + tp->pipe_ctrl_out = usb_sndctrlpipe(udev, 0); + tp->pipe_in = usb_rcvbulkpipe(udev, 1); + tp->pipe_out = usb_sndbulkpipe(udev, 2); + tp->pipe_intr = usb_rcvintpipe(udev, 3); + switch (version) { case RTL_VER_01: case RTL_VER_02: -- 2.11.0