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BCM2708_VCIO : Add automatic creation of device node

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This commit is contained in:
android
2014-08-25 13:18:21 +01:00
committed by popcornmix
parent 7cc34a8cfd
commit 2e4da5fe9c
2 changed files with 22 additions and 2 deletions
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12
arch/arm/mach-bcm2708/vcio.c
View File

@@ -61,7 +61,7 @@
#define MBOX_DATA28_LSB(msg) (((uint32_t)msg) >> 4)
#define MBOX_MAGIC 0xd0d0c0de
static struct class *vcio_class = NULL;
struct vc_mailbox {
struct device *dev; /* parent device */
void __iomem *status;
@@ -421,6 +421,13 @@ static int bcm_vcio_probe(struct platform_device *pdev)
"Failed registering the character device %d\n", ret);
return ret;
}
vcio_class = class_create(THIS_MODULE, BCM_VCIO_DRIVER_NAME);
if (IS_ERR(vcio_class)) {
ret = PTR_ERR(vcio_class);
return ret ;
}
device_create(vcio_class, NULL, MKDEV(MAJOR_NUM, 0), NULL,
"vcio");
}
return ret;
}
@@ -462,6 +469,9 @@ static int __init bcm_mbox_init(void)
static void __exit bcm_mbox_exit(void)
{
device_destroy(vcio_class,MKDEV(MAJOR_NUM, 0));
class_destroy(vcio_class);
unregister_chrdev(MAJOR_NUM, DEVICE_FILE_NAME);
platform_driver_unregister(&bcm_mbox_driver);
}

12
arch/arm/mach-bcm2709/vcio.c
View File

@@ -61,7 +61,7 @@
#define MBOX_DATA28_LSB(msg) (((uint32_t)msg) >> 4)
#define MBOX_MAGIC 0xd0d0c0de
static struct class *vcio_class = NULL;
struct vc_mailbox {
struct device *dev; /* parent device */
void __iomem *status;
@@ -421,6 +421,13 @@ static int bcm_vcio_probe(struct platform_device *pdev)
"Failed registering the character device %d\n", ret);
return ret;
}
vcio_class = class_create(THIS_MODULE, BCM_VCIO_DRIVER_NAME);
if (IS_ERR(vcio_class)) {
ret = PTR_ERR(vcio_class);
return ret ;
}
device_create(vcio_class, NULL, MKDEV(MAJOR_NUM, 0), NULL,
"vcio");
}
return ret;
}
@@ -462,6 +469,9 @@ static int __init bcm_mbox_init(void)
static void __exit bcm_mbox_exit(void)
{
device_destroy(vcio_class,MKDEV(MAJOR_NUM, 0));
class_destroy(vcio_class);
unregister_chrdev(MAJOR_NUM, DEVICE_FILE_NAME);
platform_driver_unregister(&bcm_mbox_driver);
}