diff options
Diffstat (limited to 'drivers/usb/misc/cypress_cy7c63.c')
| -rw-r--r-- | drivers/usb/misc/cypress_cy7c63.c | 43 |
1 files changed, 13 insertions, 30 deletions
diff --git a/drivers/usb/misc/cypress_cy7c63.c b/drivers/usb/misc/cypress_cy7c63.c index b63b5f34b2a..402b94dd253 100644 --- a/drivers/usb/misc/cypress_cy7c63.c +++ b/drivers/usb/misc/cypress_cy7c63.c @@ -1,7 +1,7 @@ /* * cypress_cy7c63.c * -* Copyright (c) 2006 Oliver Bock (o.bock@fh-wolfenbuettel.de) +* Copyright (c) 2006-2007 Oliver Bock (bock@tfh-berlin.de) * * This driver is based on the Cypress USB Driver by Marcus Maul * (cyport) and the 2.0 version of Greg Kroah-Hartman's @@ -21,17 +21,20 @@ * Supported functions: Read/Write Ports * * +* For up-to-date information please visit: +* http://www.obock.de/kernel/cypress +* * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation, version 2. */ -#include <linux/init.h> #include <linux/module.h> #include <linux/kernel.h> +#include <linux/slab.h> #include <linux/usb.h> -#define DRIVER_AUTHOR "Oliver Bock (o.bock@fh-wolfenbuettel.de)" +#define DRIVER_AUTHOR "Oliver Bock (bock@tfh-berlin.de)" #define DRIVER_DESC "Cypress CY7C63xxx USB driver" #define CYPRESS_VENDOR_ID 0xa2c @@ -53,7 +56,7 @@ /* table of devices that work with this driver */ -static struct usb_device_id cypress_table [] = { +static const struct usb_device_id cypress_table[] = { { USB_DEVICE(CYPRESS_VENDOR_ID, CYPRESS_PRODUCT_ID) }, { } }; @@ -192,11 +195,9 @@ static ssize_t get_port1_handler(struct device *dev, return read_port(dev, attr, buf, 1, CYPRESS_READ_PORT_ID1); } -static DEVICE_ATTR(port0, S_IWUGO | S_IRUGO, - get_port0_handler, set_port0_handler); +static DEVICE_ATTR(port0, S_IRUGO | S_IWUSR, get_port0_handler, set_port0_handler); -static DEVICE_ATTR(port1, S_IWUGO | S_IRUGO, - get_port1_handler, set_port1_handler); +static DEVICE_ATTR(port1, S_IRUGO | S_IWUSR, get_port1_handler, set_port1_handler); static int cypress_probe(struct usb_interface *interface, @@ -246,11 +247,13 @@ static void cypress_disconnect(struct usb_interface *interface) struct cypress *dev; dev = usb_get_intfdata(interface); - usb_set_intfdata(interface, NULL); /* remove device attribute files */ device_remove_file(&interface->dev, &dev_attr_port0); device_remove_file(&interface->dev, &dev_attr_port1); + /* the intfdata can be set to NULL only after the + * device files have been removed */ + usb_set_intfdata(interface, NULL); usb_put_dev(dev->udev); @@ -267,27 +270,7 @@ static struct usb_driver cypress_driver = { .id_table = cypress_table, }; -static int __init cypress_init(void) -{ - int result; - - /* register this driver with the USB subsystem */ - result = usb_register(&cypress_driver); - if (result) { - err("Function usb_register failed! Error number: %d\n", result); - } - - return result; -} - -static void __exit cypress_exit(void) -{ - /* deregister this driver with the USB subsystem */ - usb_deregister(&cypress_driver); -} - -module_init(cypress_init); -module_exit(cypress_exit); +module_usb_driver(cypress_driver); MODULE_AUTHOR(DRIVER_AUTHOR); MODULE_DESCRIPTION(DRIVER_DESC); |