Files
linux/drivers/gpu/host1x/context_bus.c
Ben Dooks 0ec0c59491 gpu: host1x: Fix missing 'host1x_context_device_bus_type'
The drivers/gpu/host1x/context_bus.c does not include any declaration of
host1x_context_device_bus_type, and after including "context.h" it also
showed that there are two definitions in the kernel because the extern
declaration was missing the const qualifier.

Include linux/host1x_context_bus.h and drop the wrong declaration from
context.h. While at it, also predeclare struct host1x_memory_context.

Fixes the following sparse warning:

    drivers/gpu/host1x/context_bus.c:9:23: warning: symbol 'host1x_context_device_bus_type' was not declared. Should it be static?

Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk>
[treding@nvidia.com: minor fixups, reword commit message to reflect changes]
Signed-off-by: Thierry Reding <treding@nvidia.com>
Link: https://patch.msgid.link/20260123140512.609167-1-ben.dooks@codethink.co.uk
2026-05-28 17:19:30 +02:00

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C

// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (c) 2021, NVIDIA Corporation.
*/
#include <linux/device.h>
#include <linux/host1x_context_bus.h>
#include <linux/of.h>
const struct bus_type host1x_context_device_bus_type = {
.name = "host1x-context",
};
EXPORT_SYMBOL_GPL(host1x_context_device_bus_type);
static int __init host1x_context_device_bus_init(void)
{
int err;
err = bus_register(&host1x_context_device_bus_type);
if (err < 0) {
pr_err("bus type registration failed: %d\n", err);
return err;
}
return 0;
}
postcore_initcall(host1x_context_device_bus_init);