Re: [PATCH v2 15/24] net: qualcomm: MODULE_DEVICE_TABLE(serdev)

From: Marcel Holtmann
Date: Mon Jun 11 2018 - 09:01:08 EST


Hi Ricardo,

> Export serdev table to the module header, allowing module autoload via
> udev/modprobe.
>
> Cc: Lino Sanfilippo <LinoSanfilippo@xxxxxx>
> Cc: David S. Miller <davem@xxxxxxxxxxxxx>
> Cc: Stefan Wahren <stefan.wahren@xxxxxxxx>
> Cc: Rob Herring <robh@xxxxxxxxxx>
> Cc: Johan Hovold <johan@xxxxxxxxxx>
> Cc: netdev@xxxxxxxxxxxxxxx
> Signed-off-by: Ricardo Ribalda Delgado <ricardo.ribalda@xxxxxxxxx>
> ---
> drivers/net/ethernet/qualcomm/qca_uart.c | 7 +++++++
> 1 file changed, 7 insertions(+)
>
> diff --git a/drivers/net/ethernet/qualcomm/qca_uart.c b/drivers/net/ethernet/qualcomm/qca_uart.c
> index db6068cd7a1f..6d2ac6cae63f 100644
> --- a/drivers/net/ethernet/qualcomm/qca_uart.c
> +++ b/drivers/net/ethernet/qualcomm/qca_uart.c
> @@ -405,6 +405,12 @@ static void qca_uart_remove(struct serdev_device *serdev)
> free_netdev(qca->net_dev);
> }
>
> +static struct serdev_device_id qca_uart_serdev_id[] = {
> + { QCAUART_DRV_NAME, },
> + {}
> +};
> +MODULE_DEVICE_TABLE(serdev, qca_uart_serdev_id);
> +
> static struct serdev_device_driver qca_uart_driver = {
> .probe = qca_uart_probe,
> .remove = qca_uart_remove,
> @@ -412,6 +418,7 @@ static struct serdev_device_driver qca_uart_driver = {
> .name = QCAUART_DRV_NAME,
> .of_match_table = of_match_ptr(qca_uart_of_match),
> },
> + .id_table = qca_uart_serdev_id,
> };

the commit message is misleading me. If I build something with ACPI or DT support, then modinfo will show all modalias information for ACPI and DT compatible strings. What else does udev/modprobe actually need? Is something broken with the modalias export?

Regards

Marcel