Re: [PATCH v2] coresight: dummy: add missing MODULE_DEVICE_TABLE()
From: Leo Yan
Date: Mon Jul 20 2026 - 08:37:58 EST
On Mon, Jul 20, 2026 at 07:45:14PM +0800, Pengpeng Hou wrote:
> The CoreSight dummy driver has an OF match table wired into its platform
> driver, but does not export the table to module metadata. A modular build
> therefore lacks OF aliases for automatic loading.
>
> Export dummy_match with MODULE_DEVICE_TABLE().
>
> Fixes: 9d3ba0b6c056 ("Coresight: Add coresight dummy driver")
> Reviewed-by: Jie Gan <jie.gan@xxxxxxxxxxxxxxxx>
> Signed-off-by: Pengpeng Hou <pengpeng@xxxxxxxxxxx>
Reviewed-by: Leo Yan <leo.yan@xxxxxxx>
> ---
> Changes since v1: https://lore.kernel.org/all/20260704121621.48544-1-pengpeng@xxxxxxxxxxx/
> - add the requested Fixes tag
> - carry Jie Gan's conditional Reviewed-by after making that change
> - rebase onto v7.2-rc4
>
> drivers/hwtracing/coresight/coresight-dummy.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/hwtracing/coresight/coresight-dummy.c b/drivers/hwtracing/coresight/coresight-dummy.c
> index c176a2f57300..04880d38feb7 100644
> --- a/drivers/hwtracing/coresight/coresight-dummy.c
> +++ b/drivers/hwtracing/coresight/coresight-dummy.c
> @@ -212,6 +212,7 @@ static const struct of_device_id dummy_match[] = {
> {.compatible = "arm,coresight-dummy-sink"},
> {},
> };
> +MODULE_DEVICE_TABLE(of, dummy_match);
>
> static struct platform_driver dummy_driver = {
> .probe = dummy_probe,
>