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drm: display: make dp_aux_bus_type const

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Now that the driver core can properly handle constant struct bus_type,
move the dp_aux_bus_type variable to be a constant structure as well,
placing it into read-only memory which can not be modified at runtime.

Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Suggested-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Ricardo B. Marliere <ricardo@marliere.net>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20240203-bus_cleanup-gpu-v1-1-1b6ecdb5f941@marliere.net
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20240203-bus_cleanup-gpu-v1-1-1b6ecdb5f941@marliere.net
This commit is contained in:
Ricardo B. Marliere 2024-02-03 15:25:03 -03:00 committed by Dmitry Baryshkov
parent c4ae9fd0de
commit 78cb1f1d19
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/display/drm_dp_aux_bus.c
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@ -127,7 +127,7 @@ static void dp_aux_ep_shutdown(struct device *dev)
aux_ep_drv->shutdown(to_dp_aux_ep_dev(dev));
}
static struct bus_type dp_aux_bus_type = {
static const struct bus_type dp_aux_bus_type = {
.name = "dp-aux",
.match = dp_aux_ep_match,
.probe = dp_aux_ep_probe,