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From 7fa07e9f8c88a5a628b9ca8a843d3490a59fb9cb Mon Sep 17 00:00:00 2001
From: android <trevd1234@gmail.com>
Date: Mon, 25 Aug 2014 13:18:21 +0100
Subject: [PATCH 111/114] BCM2708_VCIO : Add automatic creation of device node
---
arch/arm/mach-bcm2708/vcio.c | 12 +++++++++++-
arch/arm/mach-bcm2709/vcio.c | 12 +++++++++++-
2 files changed, 22 insertions(+), 2 deletions(-)
--- a/arch/arm/mach-bcm2708/vcio.c
+++ b/arch/arm/mach-bcm2708/vcio.c
@@ -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 platfor
"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);
}
--- a/arch/arm/mach-bcm2709/vcio.c
+++ b/arch/arm/mach-bcm2709/vcio.c
@@ -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 platfor
"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);
}
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