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81 lines
2.3 KiB
Diff
81 lines
2.3 KiB
Diff
From 7fa07e9f8c88a5a628b9ca8a843d3490a59fb9cb Mon Sep 17 00:00:00 2001
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From: android <trevd1234@gmail.com>
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Date: Mon, 25 Aug 2014 13:18:21 +0100
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Subject: [PATCH 111/114] BCM2708_VCIO : Add automatic creation of device node
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---
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arch/arm/mach-bcm2708/vcio.c | 12 +++++++++++-
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arch/arm/mach-bcm2709/vcio.c | 12 +++++++++++-
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2 files changed, 22 insertions(+), 2 deletions(-)
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--- a/arch/arm/mach-bcm2708/vcio.c
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+++ b/arch/arm/mach-bcm2708/vcio.c
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@@ -61,7 +61,7 @@
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#define MBOX_DATA28_LSB(msg) (((uint32_t)msg) >> 4)
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#define MBOX_MAGIC 0xd0d0c0de
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-
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+static struct class *vcio_class = NULL;
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struct vc_mailbox {
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struct device *dev; /* parent device */
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void __iomem *status;
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@@ -421,6 +421,13 @@ static int bcm_vcio_probe(struct platfor
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"Failed registering the character device %d\n", ret);
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return ret;
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}
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+ vcio_class = class_create(THIS_MODULE, BCM_VCIO_DRIVER_NAME);
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+ if (IS_ERR(vcio_class)) {
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+ ret = PTR_ERR(vcio_class);
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+ return ret ;
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+ }
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+ device_create(vcio_class, NULL, MKDEV(MAJOR_NUM, 0), NULL,
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+ "vcio");
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}
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return ret;
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}
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@@ -462,6 +469,9 @@ static int __init bcm_mbox_init(void)
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static void __exit bcm_mbox_exit(void)
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{
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+ device_destroy(vcio_class,MKDEV(MAJOR_NUM, 0));
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+ class_destroy(vcio_class);
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+ unregister_chrdev(MAJOR_NUM, DEVICE_FILE_NAME);
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platform_driver_unregister(&bcm_mbox_driver);
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}
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--- a/arch/arm/mach-bcm2709/vcio.c
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+++ b/arch/arm/mach-bcm2709/vcio.c
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@@ -61,7 +61,7 @@
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#define MBOX_DATA28_LSB(msg) (((uint32_t)msg) >> 4)
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#define MBOX_MAGIC 0xd0d0c0de
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-
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+static struct class *vcio_class = NULL;
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struct vc_mailbox {
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struct device *dev; /* parent device */
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void __iomem *status;
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@@ -421,6 +421,13 @@ static int bcm_vcio_probe(struct platfor
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"Failed registering the character device %d\n", ret);
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return ret;
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}
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+ vcio_class = class_create(THIS_MODULE, BCM_VCIO_DRIVER_NAME);
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+ if (IS_ERR(vcio_class)) {
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+ ret = PTR_ERR(vcio_class);
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+ return ret ;
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+ }
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+ device_create(vcio_class, NULL, MKDEV(MAJOR_NUM, 0), NULL,
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+ "vcio");
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}
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return ret;
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}
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@@ -462,6 +469,9 @@ static int __init bcm_mbox_init(void)
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static void __exit bcm_mbox_exit(void)
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{
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+ device_destroy(vcio_class,MKDEV(MAJOR_NUM, 0));
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+ class_destroy(vcio_class);
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+ unregister_chrdev(MAJOR_NUM, DEVICE_FILE_NAME);
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platform_driver_unregister(&bcm_mbox_driver);
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}
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