X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=drivers%2Fchar%2Ftipar.c;h=0c5ba9dc906358c15cb29663d923c5fb505c8adb;hb=6a77f38946aaee1cd85eeec6cf4229b204c15071;hp=48d7a7cc0c2bbe2b10c876ef8432f136f1d6c68b;hpb=87fc8d1bb10cd459024a742c6a10961fefcef18f;p=linux-2.6.git diff --git a/drivers/char/tipar.c b/drivers/char/tipar.c index 48d7a7cc0..0c5ba9dc9 100644 --- a/drivers/char/tipar.c +++ b/drivers/char/tipar.c @@ -40,10 +40,10 @@ * the minor number. * */ - +#undef DEBUG /* change to #define to get debugging + * output - for pr_debug() */ #include #include -#include #include #include #include @@ -55,9 +55,9 @@ #include #include #include -#include +#include #include /* DevFs support */ -#include /* Our code depend on parport */ +#include /* Our code depend on parport */ #include /* @@ -74,9 +74,6 @@ #define DRIVER_LICENSE "GPL" #define VERSION(ver,rel,seq) (((ver)<<16) | ((rel)<<8) | (seq)) -#if LINUX_VERSION_CODE < VERSION(2,5,0) -# define need_resched() (current->need_resched) -#endif /* ----- global variables --------------------------------------------- */ @@ -143,7 +140,7 @@ White: ________ | ______ | _______ static int put_ti_parallel(int minor, unsigned char data) { - int bit; + unsigned int bit; unsigned long max; for (bit = 0; bit < 8; bit++) { @@ -187,7 +184,7 @@ put_ti_parallel(int minor, unsigned char data) static int get_ti_parallel(int minor) { - int bit; + unsigned int bit; unsigned char v, data = 0; unsigned long max; @@ -234,7 +231,8 @@ probe_ti_parallel(int minor) outbyte(3, minor); outbyte(i, minor); udelay(delay); - /*printk(KERN_DEBUG "Probing -> %i: 0x%02x 0x%02x\n", i, data & 0x30, seq[i]); */ + pr_debug("tipar: Probing -> %i: 0x%02x 0x%02x\n", i, + data & 0x30, seq[i]); if ((inbyte(minor) & 0x30) != seq[i]) { outbyte(3, minor); return -1; @@ -279,7 +277,8 @@ tipar_close(struct inode *inode, struct file *file) } static ssize_t -tipar_write(struct file *file, const char __user *buf, size_t count, loff_t * ppos) +tipar_write (struct file *file, const char __user *buf, size_t count, + loff_t * ppos) { unsigned int minor = iminor(file->f_dentry->d_inode) - TIPAR_MINOR; ssize_t n; @@ -405,7 +404,8 @@ tipar_setup(char *str) if (ints[1] != 0) timeout = ints[1]; else - printk("tipar: wrong timeout value (0), using default value instead."); + printk(KERN_WARNING "tipar: bad timeout value (0), " + "using default value instead"); if (ints[0] > 1) { delay = ints[2]; } @@ -436,8 +436,8 @@ tipar_register(int nr, struct parport *port) goto out; } - class_simple_device_add(tipar_class, MKDEV(TIPAR_MAJOR, TIPAR_MINOR + nr), - NULL, "par%d", nr); + class_simple_device_add(tipar_class, MKDEV(TIPAR_MAJOR, + TIPAR_MINOR + nr), NULL, "par%d", nr); /* Use devfs, tree: /dev/ticables/par/[0..2] */ err = devfs_mk_cdev(MKDEV(TIPAR_MAJOR, TIPAR_MINOR + nr), S_IFCHR | S_IRUGO | S_IWUGO, @@ -446,14 +446,13 @@ tipar_register(int nr, struct parport *port) goto out_class; /* Display informations */ - printk(KERN_INFO "tipar%d: using %s (%s).\n", nr, port->name, - (port->irq == + pr_info("tipar%d: using %s (%s)\n", nr, port->name, (port->irq == PARPORT_IRQ_NONE) ? "polling" : "interrupt-driven"); if (probe_ti_parallel(nr) != -1) - printk("tipar%d: link cable found !\n", nr); + pr_info("tipar%d: link cable found\n", nr); else - printk("tipar%d: link cable not found.\n", nr); + pr_info("tipar%d: link cable not found\n", nr); err = 0; goto out; @@ -469,7 +468,7 @@ static void tipar_attach(struct parport *port) { if (tp_count == PP_NO) { - printk("tipar: ignoring parallel port (max. %d)\n", PP_NO); + pr_info("tipar: ignoring parallel port (max. %d)\n", PP_NO); return; } @@ -489,16 +488,16 @@ static struct parport_driver tipar_driver = { .detach = tipar_detach, }; -int __init +static int __init tipar_init_module(void) { int err = 0; - printk("tipar: parallel link cable driver, version %s\n", - DRIVER_VERSION); + pr_info("tipar: parallel link cable driver, version %s\n", + DRIVER_VERSION); if (register_chrdev(TIPAR_MAJOR, "tipar", &tipar_fops)) { - printk("tipar: unable to get major %d\n", TIPAR_MAJOR); + printk(KERN_ERR "tipar: unable to get major %d\n", TIPAR_MAJOR); err = -EIO; goto out; } @@ -512,7 +511,7 @@ tipar_init_module(void) goto out_chrdev; } if (parport_register_driver(&tipar_driver)) { - printk("tipar: unable to register with parport\n"); + printk(KERN_ERR "tipar: unable to register with parport\n"); err = -EIO; goto out; } @@ -526,7 +525,7 @@ out: return err; } -void __exit +static void __exit tipar_cleanup_module(void) { unsigned int i; @@ -546,7 +545,7 @@ tipar_cleanup_module(void) class_simple_destroy(tipar_class); devfs_remove("ticables/par"); - printk("tipar: module unloaded !\n"); + pr_info("tipar: module unloaded\n"); } /* --------------------------------------------------------------------- */ @@ -559,7 +558,7 @@ MODULE_AUTHOR(DRIVER_AUTHOR); MODULE_DESCRIPTION(DRIVER_DESC); MODULE_LICENSE(DRIVER_LICENSE); -MODULE_PARM(timeout, "i"); +module_param(timeout, int, 0); MODULE_PARM_DESC(timeout, "Timeout (default=1.5 seconds)"); -MODULE_PARM(delay, "i"); +module_param(delay, int, 0); MODULE_PARM_DESC(delay, "Inter-bit delay (default=10 microseconds)");