[PATCH v12 4/6] staging: vc04_services: vchiq_arm: Register vchiq_bus_type
From: Umang Jain <hidden>
Date: 2023-09-23 14:32:24
Also in:
linux-media, linux-staging, lkml
Subsystem:
staging subsystem, the rest · Maintainers:
Greg Kroah-Hartman, Linus Torvalds
Register the vchiq_bus_type bus with the vchiq interface. The bcm2835-camera and bcm2835_audio will be registered to this bus type going ahead. Signed-off-by: Umang Jain <redacted> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com> --- .../vc04_services/interface/vchiq_arm/vchiq_arm.c | 13 ++++++++++++- 1 file changed, 12 insertions(+), 1 deletion(-)
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..9388859b9b56 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>
@@ -33,6 +34,7 @@ #include "vchiq_core.h" #include "vchiq_ioctl.h" #include "vchiq_arm.h" +#include "vchiq_bus.h" #include "vchiq_debugfs.h" #include "vchiq_connected.h" #include "vchiq_pagelist.h"
@@ -1870,9 +1872,17 @@ 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) + if (ret) { pr_err("Failed to register vchiq driver\n"); + bus_unregister(&vchiq_bus_type); + } return ret; }
@@ -1880,6 +1890,7 @@ 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);
--
2.40.1
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