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Input: uinput - add devname alias to allow module on-demand load

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Recent modprobe and udev versions allow to create device nodes
for modules which are not loaded. Only the first access will cause
the in-kernel module loader to pull-in the module. Systems which
never access the device node will not needlessly load the module,
and no longer need init scripts or other facilities to unconditionally
load it.

Signed-off-by: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
This commit is contained in:
Kay Sievers 2010-08-19 09:52:28 -07:00 committed by Dmitry Torokhov
parent 77edf0c751
commit 8905aaafb4
3 changed files with 3 additions and 1 deletions
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2
drivers/input/misc/uinput.c
View File

@ -811,6 +811,8 @@ static struct miscdevice uinput_misc = {
.minor = UINPUT_MINOR,
.name = UINPUT_NAME,
};
MODULE_ALIAS_MISCDEV(UINPUT_MINOR);
MODULE_ALIAS("devname:" UINPUT_NAME);
static int __init uinput_init(void)
{

1
include/linux/miscdevice.h
View File

@ -33,6 +33,7 @@
#define MWAVE_MINOR 219 /* ACP/Mwave Modem */
#define MPT_MINOR 220
#define MPT2SAS_MINOR 221
#define UINPUT_MINOR 223
#define HPET_MINOR 228
#define FUSE_MINOR 229
#define KVM_MINOR 232

1
include/linux/uinput.h
View File

@ -37,7 +37,6 @@
#define UINPUT_VERSION 3
#ifdef __KERNEL__
#define UINPUT_MINOR 223
#define UINPUT_NAME "uinput"
#define UINPUT_BUFFER_SIZE 16
#define UINPUT_NUM_REQUESTS 16