From 8269ee4f969fc66564e6e4d2744654db5f5b11ad Mon Sep 17 00:00:00 2001 From: Mugunthan V N Date: Fri, 18 Nov 2016 11:08:27 +0530 Subject: [PATCH] drivers: usb: gadget: ether: prepare driver for driver model migration prepare driver for driver model migration Signed-off-by: Mugunthan V N Acked-by: Joe Hershberger --- drivers/usb/gadget/ether.c | 73 +++++++++++++++++++++++++++----------- 1 file changed, 52 insertions(+), 21 deletions(-) diff --git a/drivers/usb/gadget/ether.c b/drivers/usb/gadget/ether.c index 54b8b59b29..046ad8ca2b 100644 --- a/drivers/usb/gadget/ether.c +++ b/drivers/usb/gadget/ether.c @@ -2334,9 +2334,8 @@ int dm_usb_init(struct eth_dev *e_dev) } #endif -static int usb_eth_init(struct eth_device *netdev, bd_t *bd) +static int _usb_eth_init(struct ether_priv *priv) { - struct ether_priv *priv = (struct ether_priv *)netdev->priv; struct eth_dev *dev = &priv->ethdev; struct usb_gadget *gadget; unsigned long ts; @@ -2415,11 +2414,10 @@ fail: return -1; } -static int usb_eth_send(struct eth_device *netdev, void *packet, int length) +static int _usb_eth_send(struct ether_priv *priv, void *packet, int length) { int retval; void *rndis_pkt = NULL; - struct ether_priv *priv = (struct ether_priv *)netdev->priv; struct eth_dev *dev = &priv->ethdev; struct usb_request *req = dev->tx_req; unsigned long ts; @@ -2485,30 +2483,15 @@ drop: return -ENOMEM; } -static int usb_eth_recv(struct eth_device *netdev) +static int _usb_eth_recv(struct ether_priv *priv) { - struct ether_priv *priv = (struct ether_priv *)netdev->priv; - struct eth_dev *dev = &priv->ethdev; - usb_gadget_handle_interrupts(0); - if (packet_received) { - debug("%s: packet received\n", __func__); - if (dev->rx_req) { - net_process_received_packet(net_rx_packets[0], - dev->rx_req->length); - packet_received = 0; - - rx_submit(dev, dev->rx_req, 0); - } else - error("dev->rx_req invalid"); - } return 0; } -void usb_eth_halt(struct eth_device *netdev) +void _usb_eth_halt(struct ether_priv *priv) { - struct ether_priv *priv = (struct ether_priv *)netdev->priv; struct eth_dev *dev = &priv->ethdev; /* If the gadget not registered, simple return */ @@ -2544,6 +2527,54 @@ void usb_eth_halt(struct eth_device *netdev) #endif } +static int usb_eth_init(struct eth_device *netdev, bd_t *bd) +{ + struct ether_priv *priv = (struct ether_priv *)netdev->priv; + + return _usb_eth_init(priv); +} + +static int usb_eth_send(struct eth_device *netdev, void *packet, int length) +{ + struct ether_priv *priv = (struct ether_priv *)netdev->priv; + + return _usb_eth_send(priv, packet, length); +} + +static int usb_eth_recv(struct eth_device *netdev) +{ + struct ether_priv *priv = (struct ether_priv *)netdev->priv; + struct eth_dev *dev = &priv->ethdev; + int ret; + + ret = _usb_eth_recv(priv); + if (ret) { + error("error packet receive\n"); + return ret; + } + + if (!packet_received) + return 0; + + if (dev->rx_req) { + net_process_received_packet(net_rx_packets[0], + dev->rx_req->length); + } else { + error("dev->rx_req invalid"); + } + packet_received = 0; + rx_submit(dev, dev->rx_req, 0); + + return 0; +} + +void usb_eth_halt(struct eth_device *netdev) +{ + struct ether_priv *priv = (struct ether_priv *)netdev->priv; + + _usb_eth_halt(priv); +} + int usb_eth_initialize(bd_t *bi) { struct eth_device *netdev = &l_priv->netdev; -- 2.30.2