[PATCH v8 2/5] staging: vc04_services: vchiq_arm: Register vchiq_bus_type

Umang Jain
2023-06-27T20:16:46Z

Register the vchiq_bus_type bus with the vchiq interface.
The bcm2835-camera nad bcm2835_audio will be registered to this bus type
going ahead.

Signed-off-by: Umang Jain <umang.jain@ideasonboard.com>
---
.../vc04_services/interface/vchiq_arm/vchiq_arm.c | 9 +++++++++
1 file changed, 9 insertions(+)

diff --git a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c
index aa2313f3bcab..e8d40f891449 100644
--- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c
+++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c
@@ -12,6 +12,7 @@
#include <linux/cdev.h>
#include <linux/fs.h>
#include <linux/device.h>
+#include <linux/device/bus.h>
#include <linux/mm.h>
#include <linux/highmem.h>
#include <linux/pagemap.h>
@@ -34,6 +35,7 @@
#include "vchiq_ioctl.h"
#include "vchiq_arm.h"
#include "vchiq_debugfs.h"
+#include "vchiq_device.h"
#include "vchiq_connected.h"
#include "vchiq_pagelist.h"

@@ -1870,6 +1872,12 @@ static int __init vchiq_driver_init(void)
{
int ret;

+ ret = bus_register(&vchiq_bus_type);
+ if (ret) {
+ pr_err("Failed to register %s\n", vchiq_bus_type.name);
+ return ret;
+ }
+
ret = platform_driver_register(&vchiq_driver);
if (ret)
pr_err("Failed to register vchiq driver\n");
@@ -1880,6 +1888,7 @@ module_init(vchiq_driver_init);

static void __exit vchiq_driver_exit(void)
{
+ bus_unregister(&vchiq_bus_type);
platform_driver_unregister(&vchiq_driver);
}
module_exit(vchiq_driver_exit);
--
2.39.1