Messages in this thread Patch in this message | | | From | Rolf Eike Beer <> | Subject | [PATCH 1/2] add function documentation for register_chrdev() | Date | Wed, 12 Jul 2006 09:46:16 +0200 |
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Documentation for register_chrdev() was missing completely.
Signed-off-by: Rolf Eike Beer <eike-kernel@sf-tec.de>
--- commit 7471539cb5e9cdd7ca7e48a247e15797d0e53708 tree 6ecd75500615ae9a975835596afb820b0fa51786 parent e73ad26773b26c730c49f8ef3b00b10b8bcc0009 author Rolf Eike Beer <eike-kernel@sf-tec.de> Tue, 11 Jul 2006 15:29:09 +0200 committer Rolf Eike Beer <beer@siso-eb-i34d.silicon-software.de> Tue, 11 Jul 2006 15:29:09 +0200
fs/char_dev.c | 23 +++++++++++++++++++++++ 1 files changed, 23 insertions(+), 0 deletions(-)
diff --git a/fs/char_dev.c b/fs/char_dev.c index a4cbc67..ac28eaa 100644 --- a/fs/char_dev.c +++ b/fs/char_dev.c @@ -182,6 +182,29 @@ int alloc_chrdev_region(dev_t *dev, unsi return 0; } +/* + * Register a major number for character devices. + * + * major: major device number or 0 for dynamic allocation + * name: name of this range of devices + * fops: file operations associated with this devices + * + * If major == 0 this functions will dynamically allocate a major and return + * its number. + * + * If major > 0 this function will attempt to reserve a device with the given + * major number and will return zero on success. + * + * Returns a -ve errno on failure. + * + * The name of this device has nothing to do with the name of the device in + * /dev. It only helps to keep track of the different owners of devices. If + * your module name has only one type of devices it's ok to use e.g. the name + * of the module here. + * + * This function registers a range of 256 minor numbers. The first minor number + * is 0. + */ int register_chrdev(unsigned int major, const char *name, const struct file_operations *fops) { - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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