X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=drivers%2Fusb%2Fserial%2Fcyberjack.c;h=2357b1d102d7e5fef562be87c47ca703d35d678c;hb=43bc926fffd92024b46cafaf7350d669ba9ca884;hp=46a204cd40e19c614a795407e63b4c91debb6a64;hpb=cee37fe97739d85991964371c1f3a745c00dd236;p=linux-2.6.git diff --git a/drivers/usb/serial/cyberjack.c b/drivers/usb/serial/cyberjack.c index 46a204cd4..2357b1d10 100644 --- a/drivers/usb/serial/cyberjack.c +++ b/drivers/usb/serial/cyberjack.c @@ -76,17 +76,19 @@ static struct usb_device_id id_table [] = { MODULE_DEVICE_TABLE (usb, id_table); static struct usb_driver cyberjack_driver = { - .owner = THIS_MODULE, .name = "cyberjack", .probe = usb_serial_probe, .disconnect = usb_serial_disconnect, .id_table = id_table, + .no_dynamic_id = 1, }; -static struct usb_serial_device_type cyberjack_device = { - .owner = THIS_MODULE, - .name = "Reiner SCT Cyberjack USB card reader", - .short_name = "cyberjack", +static struct usb_serial_driver cyberjack_device = { + .driver = { + .owner = THIS_MODULE, + .name = "cyberjack", + }, + .description = "Reiner SCT Cyberjack USB card reader", .id_table = id_table, .num_interrupt_in = 1, .num_bulk_in = 1, @@ -213,10 +215,14 @@ static int cyberjack_write (struct usb_serial_port *port, const unsigned char *b return (0); } - if (port->write_urb->status == -EINPROGRESS) { + spin_lock(&port->lock); + if (port->write_urb_busy) { + spin_unlock(&port->lock); dbg("%s - already writing", __FUNCTION__); - return (0); + return 0; } + port->write_urb_busy = 1; + spin_unlock(&port->lock); spin_lock_irqsave(&priv->lock, flags); @@ -224,6 +230,7 @@ static int cyberjack_write (struct usb_serial_port *port, const unsigned char *b /* To much data for buffer. Reset buffer. */ priv->wrfilled=0; spin_unlock_irqrestore(&priv->lock, flags); + port->write_urb_busy = 0; return (0); } @@ -268,6 +275,7 @@ static int cyberjack_write (struct usb_serial_port *port, const unsigned char *b priv->wrfilled=0; priv->wrsent=0; spin_unlock_irqrestore(&priv->lock, flags); + port->write_urb_busy = 0; return 0; } @@ -356,7 +364,6 @@ static void cyberjack_read_bulk_callback (struct urb *urb, struct pt_regs *regs) struct tty_struct *tty; unsigned char *data = urb->transfer_buffer; short todo; - int i; int result; dbg("%s - port %d", __FUNCTION__, port->number); @@ -373,14 +380,8 @@ static void cyberjack_read_bulk_callback (struct urb *urb, struct pt_regs *regs) return; } if (urb->actual_length) { - for (i = 0; i < urb->actual_length ; ++i) { - /* if we insert more than TTY_FLIPBUF_SIZE characters, we drop them. */ - if(tty->flip.count >= TTY_FLIPBUF_SIZE) { - tty_flip_buffer_push(tty); - } - /* this doesn't actually push the data through unless tty->low_latency is set */ - tty_insert_flip_char(tty, data[i], 0); - } + tty_buffer_request_room(tty, urb->actual_length); + tty_insert_flip_string(tty, data, urb->actual_length); tty_flip_buffer_push(tty); } @@ -412,7 +413,8 @@ static void cyberjack_write_bulk_callback (struct urb *urb, struct pt_regs *regs struct cyberjack_private *priv = usb_get_serial_port_data(port); dbg("%s - port %d", __FUNCTION__, port->number); - + + port->write_urb_busy = 0; if (urb->status) { dbg("%s - nonzero write bulk status received: %d", __FUNCTION__, urb->status); return; @@ -424,12 +426,6 @@ static void cyberjack_write_bulk_callback (struct urb *urb, struct pt_regs *regs if( priv->wrfilled ) { int length, blksize, result; - if (port->write_urb->status == -EINPROGRESS) { - dbg("%s - already writing", __FUNCTION__); - spin_unlock(&priv->lock); - return; - } - dbg("%s - transmitting data (frame n)", __FUNCTION__); length = ((priv->wrfilled - priv->wrsent) > port->bulk_out_size) ?