On Fri, Nov 22, 2019 at 02:32:15PM +0100, Thierry Reding wrote:
> From: Thierry Reding <treding@xxxxxxxxxx>
>
> Export the module device table to ensure the VIC compatible strings are
> listed in the module's aliases table. This in turn causes the driver to
> be automatically loaded on boot if VIC is the only enabled subdevice of
> the logical host1x DRM device.
>
> Signed-off-by: Thierry Reding <treding@xxxxxxxxxx>
Reviewed-by: Daniel Vetter <daniel.vetter@xxxxxxxx>
I noticed that the drm subdev driver also lacks the matches. How does that
work? Just by getting loaded when any of the subdev drivers match?
-Daniel
> ---
> drivers/gpu/drm/tegra/vic.c | 5 +++--
> 1 file changed, 3 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/tegra/vic.c b/drivers/gpu/drm/tegra/vic.c
> index 9444ba183990..c4d82b8b3065 100644
> --- a/drivers/gpu/drm/tegra/vic.c
> +++ b/drivers/gpu/drm/tegra/vic.c
> @@ -386,13 +386,14 @@ static const struct vic_config vic_t194_config = {
> .supports_sid = true,
> };
>
> -static const struct of_device_id vic_match[] = {
> +static const struct of_device_id tegra_vic_of_match[] = {
> { .compatible = "nvidia,tegra124-vic", .data = &vic_t124_config },
> { .compatible = "nvidia,tegra210-vic", .data = &vic_t210_config },
> { .compatible = "nvidia,tegra186-vic", .data = &vic_t186_config },
> { .compatible = "nvidia,tegra194-vic", .data = &vic_t194_config },
> { },
> };
> +MODULE_DEVICE_TABLE(of, tegra_vic_of_match);
>
> static int vic_probe(struct platform_device *pdev)
> {
> @@ -516,7 +517,7 @@ static const struct dev_pm_ops vic_pm_ops = {
> struct platform_driver tegra_vic_driver = {
> .driver = {
> .name = "tegra-vic",
> - .of_match_table = vic_match,
> + .of_match_table = tegra_vic_of_match,
> .pm = &vic_pm_ops
> },
> .probe = vic_probe,
> --
> 2.23.0
>
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--
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
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