Linux Virtualization - Mar 2020 - [PATCH] virtio: virtio_console: add missing MODULE_DEVICE_TABLE() for rproc serial

On Tue, 2020-03-10 at 14:05 +0300, Alexander Lobakin
wrote:
> rproc_serial_id_table lacks an exposure to module devicetable, so
> when remoteproc firmware requests VIRTIO_ID_RPROC_SERIAL, no uevent
> is generated and no module autoloading occurs.
> Add missing MODULE_DEVICE_TABLE() annotation and move the existing
> one for VIRTIO_ID_CONSOLE right to the table itself.
> 
> Fixes: 1b6370463e88 ("virtio_console: Add support for remoteproc
> serial")
> Cc: <stable at vger.kernel.org> # v3.8+
> Signed-off-by: Alexander Lobakin <alobakin at dlink.ru>
Reviewed-by: Amit Shah <amit at kernel.org>

Thanks,
> ---
>  drivers/char/virtio_console.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/char/virtio_console.c
> b/drivers/char/virtio_console.c
> index 4df9b40d6342..7e1bc0f580a2 100644
> --- a/drivers/char/virtio_console.c
> +++ b/drivers/char/virtio_console.c
> @@ -2116,6 +2116,7 @@ static struct virtio_device_id id_table[] = {
>  	{ VIRTIO_ID_CONSOLE, VIRTIO_DEV_ANY_ID },
>  	{ 0 },
>  };
> +MODULE_DEVICE_TABLE(virtio, id_table);
>  
>  static unsigned int features[] = {
>  	VIRTIO_CONSOLE_F_SIZE,
> @@ -2128,6 +2129,7 @@ static struct virtio_device_id
> rproc_serial_id_table[] = {
>  #endif
>  	{ 0 },
>  };
> +MODULE_DEVICE_TABLE(virtio, rproc_serial_id_table);
>  
>  static unsigned int rproc_serial_features[] = {
>  };
> @@ -2280,6 +2282,5 @@ static void __exit fini(void)
>  module_init(init);
>  module_exit(fini);
>  
> -MODULE_DEVICE_TABLE(virtio, id_table);
>  MODULE_DESCRIPTION("Virtio console driver");
>  MODULE_LICENSE("GPL");