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media: lirc_sir: make device registration work

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commit 4b71ca6bce upstream.

For one, the driver device pointer needs to be filled in, or the lirc core
will refuse to load the driver. And we really need to wire up all the
platform_device bits. This has been tested via the lirc sourceforge tree
and verified to work, been sitting there for months, finally getting
around to sending it. :\

Signed-off-by: Jarod Wilson <jarod@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
CC: Josh Boyer <jwboyer@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Jarod Wilson
2012-06-04 13:05:24 -03:00
committed by Greg Kroah-Hartman
parent 64ac72f81b
commit ae04311e04
1 changed files with 58 additions and 2 deletions
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60
drivers/staging/lirc/lirc_sir.c
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@@ -53,6 +53,7 @@
#include <linux/io.h>
#include <asm/irq.h>
#include <linux/fcntl.h>
#include <linux/platform_device.h>
#ifdef LIRC_ON_SA1100
#include <asm/hardware.h>
#ifdef CONFIG_SA1100_COLLIE
@@ -488,9 +489,11 @@ static struct lirc_driver driver = {
.owner = THIS_MODULE,
};
static struct platform_device *lirc_sir_dev;
static int init_chrdev(void)
{
driver.dev = &lirc_sir_dev->dev;
driver.minor = lirc_register_driver(&driver);
if (driver.minor < 0) {
printk(KERN_ERR LIRC_DRIVER_NAME ": init_chrdev() failed.\n");
@@ -1216,20 +1219,71 @@ static int init_lirc_sir(void)
return 0;
}
static int __devinit lirc_sir_probe(struct platform_device *dev)
{
return 0;
}
static int __devexit lirc_sir_remove(struct platform_device *dev)
{
return 0;
}
static struct platform_driver lirc_sir_driver = {
.probe = lirc_sir_probe,
.remove = __devexit_p(lirc_sir_remove),
.driver = {
.name = "lirc_sir",
.owner = THIS_MODULE,
},
};
static int __init lirc_sir_init(void)
{
int retval;
retval = platform_driver_register(&lirc_sir_driver);
if (retval) {
printk(KERN_ERR LIRC_DRIVER_NAME ": Platform driver register "
"failed!\n");
return -ENODEV;
}
lirc_sir_dev = platform_device_alloc("lirc_dev", 0);
if (!lirc_sir_dev) {
printk(KERN_ERR LIRC_DRIVER_NAME ": Platform device alloc "
"failed!\n");
retval = -ENOMEM;
goto pdev_alloc_fail;
}
retval = platform_device_add(lirc_sir_dev);
if (retval) {
printk(KERN_ERR LIRC_DRIVER_NAME ": Platform device add "
"failed!\n");
retval = -ENODEV;
goto pdev_add_fail;
}
retval = init_chrdev();
if (retval < 0)
return retval;
goto fail;
retval = init_lirc_sir();
if (retval) {
drop_chrdev();
return retval;
goto fail;
}
return 0;
fail:
platform_device_del(lirc_sir_dev);
pdev_add_fail:
platform_device_put(lirc_sir_dev);
pdev_alloc_fail:
platform_driver_unregister(&lirc_sir_driver);
return retval;
}
static void __exit lirc_sir_exit(void)
@@ -1237,6 +1291,8 @@ static void __exit lirc_sir_exit(void)
drop_hardware();
drop_chrdev();
drop_port();
platform_device_unregister(lirc_sir_dev);
platform_driver_unregister(&lirc_sir_driver);
printk(KERN_INFO LIRC_DRIVER_NAME ": Uninstalled.\n");
}