X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=drivers%2Fusb%2Fserial%2Fsafe_serial.c;h=f0215f850d2d3eea98faf2b6569075f596aec3cd;hb=43bc926fffd92024b46cafaf7350d669ba9ca884;hp=0e85ed6c6c195ced68b8e9b0c99769cb4517981f;hpb=cee37fe97739d85991964371c1f3a745c00dd236;p=linux-2.6.git diff --git a/drivers/usb/serial/safe_serial.c b/drivers/usb/serial/safe_serial.c index 0e85ed6c6..f0215f850 100644 --- a/drivers/usb/serial/safe_serial.c +++ b/drivers/usb/serial/safe_serial.c @@ -92,7 +92,7 @@ MODULE_DESCRIPTION (DRIVER_DESC); MODULE_LICENSE("GPL"); #if defined(CONFIG_USBD_SAFE_SERIAL_VENDOR) && !defined(CONFIG_USBD_SAFE_SERIAL_PRODUCT) -#abort "SAFE_SERIAL_VENDOR defined without SAFE_SERIAL_PRODUCT" +#error "SAFE_SERIAL_VENDOR defined without SAFE_SERIAL_PRODUCT" #endif #if ! defined(CONFIG_USBD_SAFE_SERIAL_VENDOR) @@ -160,14 +160,14 @@ static struct usb_device_id id_table[] = { MODULE_DEVICE_TABLE (usb, id_table); static struct usb_driver safe_driver = { - .owner = THIS_MODULE, .name = "safe_serial", .probe = usb_serial_probe, .disconnect = usb_serial_disconnect, .id_table = id_table, + .no_dynamic_id = 1, }; -static __u16 crc10_table[256] = { +static const __u16 crc10_table[256] = { 0x000, 0x233, 0x255, 0x066, 0x299, 0x0aa, 0x0cc, 0x2ff, 0x301, 0x132, 0x154, 0x367, 0x198, 0x3ab, 0x3cd, 0x1fe, 0x031, 0x202, 0x264, 0x057, 0x2a8, 0x09b, 0x0fd, 0x2ce, 0x330, 0x103, 0x165, 0x356, 0x1a9, 0x39a, 0x3fc, 0x1cf, 0x062, 0x251, 0x237, 0x004, 0x2fb, 0x0c8, 0x0ae, 0x29d, 0x363, 0x150, 0x136, 0x305, 0x1fa, 0x3c9, 0x3af, 0x19c, @@ -299,10 +299,14 @@ static int safe_write (struct usb_serial_port *port, const unsigned char *buf, i dbg ("%s - write request of 0 bytes", __FUNCTION__); return (0); } - if (port->write_urb->status == -EINPROGRESS) { - dbg ("%s - already writing", __FUNCTION__); - return (0); + spin_lock(&port->lock); + if (port->write_urb_busy) { + spin_unlock(&port->lock); + dbg("%s - already writing", __FUNCTION__); + return 0; } + port->write_urb_busy = 1; + spin_unlock(&port->lock); packet_length = port->bulk_out_size; // get max packetsize @@ -354,6 +358,7 @@ static int safe_write (struct usb_serial_port *port, const unsigned char *buf, i #endif port->write_urb->dev = port->serial->dev; if ((result = usb_submit_urb (port->write_urb, GFP_KERNEL))) { + port->write_urb_busy = 0; err ("%s - failed submitting write urb, error %d", __FUNCTION__, result); return 0; } @@ -368,7 +373,7 @@ static int safe_write_room (struct usb_serial_port *port) dbg ("%s", __FUNCTION__); - if (port->write_urb->status != -EINPROGRESS) + if (port->write_urb_busy) room = port->bulk_out_size - (safe ? 2 : 0); if (room) { @@ -392,9 +397,11 @@ static int safe_startup (struct usb_serial *serial) return 0; } -static struct usb_serial_device_type safe_device = { - .owner = THIS_MODULE, - .name = "Safe", +static struct usb_serial_driver safe_device = { + .driver = { + .owner = THIS_MODULE, + .name = "safe_serial", + }, .id_table = id_table, .num_interrupt_in = NUM_DONT_CARE, .num_bulk_in = NUM_DONT_CARE, @@ -418,7 +425,7 @@ static int __init safe_init (void) if (vendor || product) { info ("vendor: %x product: %x\n", vendor, product); - for (i = 0; i < (sizeof (id_table) / sizeof (struct usb_device_id)); i++) { + for (i = 0; i < ARRAY_SIZE(id_table); i++) { if (!id_table[i].idVendor && !id_table[i].idProduct) { id_table[i].idVendor = vendor; id_table[i].idProduct = product;