diff options
| author | Paul Fulghum <paulkf@microgate.com> | 2003-05-29 21:56:54 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@home.transmeta.com> | 2003-05-29 21:56:54 -0700 |
| commit | f62b69ad6a0844979f8cdab3e090c07fc06c2dcd (patch) | |
| tree | e0359c65e4d436102da8108dc3828e17260a5c3a | |
| parent | 5c88d5d3a7ba73e8d9ae1eb6e7dc87fe678cdf2a (diff) | |
[PATCH] tty_register_driver
This patch reinstates the ability of tty devices to use dynamically
allocated major numbers yet specify the minor numbers statically.
The synclink drivers do this.
| -rw-r--r-- | drivers/char/tty_io.c | 2 | ||||
| -rw-r--r-- | fs/char_dev.c | 4 | ||||
| -rw-r--r-- | include/linux/fs.h | 2 |
3 files changed, 4 insertions, 4 deletions
diff --git a/drivers/char/tty_io.c b/drivers/char/tty_io.c index c95ecbc8bd7e..5b1cbccd11f2 100644 --- a/drivers/char/tty_io.c +++ b/drivers/char/tty_io.c @@ -2241,7 +2241,7 @@ int tty_register_driver(struct tty_driver *driver) return 0; if (!driver->major) { - error = alloc_chrdev_region(&dev, driver->num, + error = alloc_chrdev_region(&dev, driver->minor_start, driver->num, (char*)driver->name); if (!error) { driver->major = MAJOR(dev); diff --git a/fs/char_dev.c b/fs/char_dev.c index a2881c94276e..394008aeccde 100644 --- a/fs/char_dev.c +++ b/fs/char_dev.c @@ -179,10 +179,10 @@ fail: return PTR_ERR(cd); } -int alloc_chrdev_region(dev_t *dev, unsigned count, char *name) +int alloc_chrdev_region(dev_t *dev, unsigned baseminor, unsigned count, char *name) { struct char_device_struct *cd; - cd = __register_chrdev_region(0, 0, count, name); + cd = __register_chrdev_region(0, baseminor, count, name); if (IS_ERR(cd)) return PTR_ERR(cd); *dev = MKDEV(cd->major, cd->baseminor); diff --git a/include/linux/fs.h b/include/linux/fs.h index 78b45c4afd9c..9ae05e3ff093 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -1059,7 +1059,7 @@ extern void bd_release(struct block_device *); extern void blk_run_queues(void); /* fs/char_dev.c */ -extern int alloc_chrdev_region(dev_t *, unsigned, char *); +extern int alloc_chrdev_region(dev_t *, unsigned, unsigned, char *); extern int register_chrdev_region(dev_t, unsigned, char *); extern int register_chrdev(unsigned int, const char *, struct file_operations *); |