X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=drivers%2Fusb%2Fserial%2Fcyberjack.c;h=a63c3286caa052b2e886d4ec6fe883a4344feeb1;hb=refs%2Fheads%2Fvserver;hp=46a204cd40e19c614a795407e63b4c91debb6a64;hpb=f7f1b0f1e2fbadeab12d24236000e778aa9b1ead;p=linux-2.6.git diff --git a/drivers/usb/serial/cyberjack.c b/drivers/usb/serial/cyberjack.c index 46a204cd4..a63c3286c 100644 --- a/drivers/usb/serial/cyberjack.c +++ b/drivers/usb/serial/cyberjack.c @@ -28,7 +28,6 @@ */ -#include #include #include #include @@ -40,7 +39,7 @@ #include #include #include -#include "usb-serial.h" +#include #define CYBERJACK_LOCAL_BUF_SIZE 32 @@ -64,9 +63,9 @@ static int cyberjack_open (struct usb_serial_port *port, struct file *filp); static void cyberjack_close (struct usb_serial_port *port, struct file *filp); static int cyberjack_write (struct usb_serial_port *port, const unsigned char *buf, int count); static int cyberjack_write_room( struct usb_serial_port *port ); -static void cyberjack_read_int_callback (struct urb *urb, struct pt_regs *regs); -static void cyberjack_read_bulk_callback (struct urb *urb, struct pt_regs *regs); -static void cyberjack_write_bulk_callback (struct urb *urb, struct pt_regs *regs); +static void cyberjack_read_int_callback (struct urb *urb); +static void cyberjack_read_bulk_callback (struct urb *urb); +static void cyberjack_write_bulk_callback (struct urb *urb); static struct usb_device_id id_table [] = { { USB_DEVICE(CYBERJACK_VENDOR_ID, CYBERJACK_PRODUCT_ID) }, @@ -76,17 +75,19 @@ 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 +214,14 @@ static int cyberjack_write (struct usb_serial_port *port, const unsigned char *b return (0); } - if (port->write_urb->status == -EINPROGRESS) { + spin_lock_bh(&port->lock); + if (port->write_urb_busy) { + spin_unlock_bh(&port->lock); dbg("%s - already writing", __FUNCTION__); - return (0); + return 0; } + port->write_urb_busy = 1; + spin_unlock_bh(&port->lock); spin_lock_irqsave(&priv->lock, flags); @@ -224,6 +229,7 @@ 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 +274,7 @@ 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; } @@ -292,7 +299,7 @@ static int cyberjack_write_room( struct usb_serial_port *port ) return CYBERJACK_LOCAL_BUF_SIZE; } -static void cyberjack_read_int_callback( struct urb *urb, struct pt_regs *regs ) +static void cyberjack_read_int_callback( struct urb *urb ) { struct usb_serial_port *port = (struct usb_serial_port *)urb->context; struct cyberjack_private *priv = usb_get_serial_port_data(port); @@ -349,14 +356,13 @@ resubmit: dbg("%s - usb_submit_urb(int urb)", __FUNCTION__); } -static void cyberjack_read_bulk_callback (struct urb *urb, struct pt_regs *regs) +static void cyberjack_read_bulk_callback (struct urb *urb) { struct usb_serial_port *port = (struct usb_serial_port *)urb->context; struct cyberjack_private *priv = usb_get_serial_port_data(port); 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 +379,8 @@ 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); } @@ -406,13 +406,14 @@ static void cyberjack_read_bulk_callback (struct urb *urb, struct pt_regs *regs) } } -static void cyberjack_write_bulk_callback (struct urb *urb, struct pt_regs *regs) +static void cyberjack_write_bulk_callback (struct urb *urb) { struct usb_serial_port *port = (struct usb_serial_port *)urb->context; 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 +425,6 @@ 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) ? @@ -473,7 +468,7 @@ static void cyberjack_write_bulk_callback (struct urb *urb, struct pt_regs *regs exit: spin_unlock(&priv->lock); - schedule_work(&port->work); + usb_serial_port_softint(port); } static int __init cyberjack_init (void)