On Wed, Apr 24, 2019 at 5:42 AM Daniel Gomez <dagmcr@xxxxxxxxx> wrote:
>
> Add missing <of_device_id> table for SPI driver relying on SPI
> device match since compatible is in a DT binding or in a DTS.
>
> Before this patch:
> modinfo drivers/iio/temperature/maxim_thermocouple.ko | grep alias
> alias: spi:max31855
> alias: spi:max6675
>
> After this patch:
> modinfo drivers/iio/temperature/maxim_thermocouple.ko | grep alias
> alias: spi:max31855
> alias: spi:max6675
> alias: of:N*T*Cmaxim,max31855C*
> alias: of:N*T*Cmaxim,max31855
> alias: of:N*T*Cmaxim,max6675C*
> alias: of:N*T*Cmaxim,max6675
Heh oops I missed that somehow in initial development.
Acked-by: Matt Ranostay <matt.ranostay@xxxxxxxxxxxx>
>
> Reported-by: Javier Martinez Canillas <javier@xxxxxxxxxxxx>
> Signed-off-by: Daniel Gomez <dagmcr@xxxxxxxxx>
> ---
> drivers/iio/temperature/maxim_thermocouple.c | 10 ++++++++++
> 1 file changed, 10 insertions(+)
>
> diff --git a/drivers/iio/temperature/maxim_thermocouple.c b/drivers/iio/temperature/maxim_thermocouple.c
> index c31b963..c613a64 100644
> --- a/drivers/iio/temperature/maxim_thermocouple.c
> +++ b/drivers/iio/temperature/maxim_thermocouple.c
> @@ -10,6 +10,8 @@
> #include <linux/init.h>
> #include <linux/mutex.h>
> #include <linux/err.h>
> +#include <linux/of.h>
> +#include <linux/of_device.h>
> #include <linux/spi/spi.h>
> #include <linux/iio/iio.h>
> #include <linux/iio/trigger.h>
> @@ -262,9 +264,17 @@ static const struct spi_device_id maxim_thermocouple_id[] = {
> };
> MODULE_DEVICE_TABLE(spi, maxim_thermocouple_id);
>
> +static const struct of_device_id maxim_thermocouple_of_match[] = {
> + { .compatible = "maxim,max6675" },
> + { .compatible = "maxim,max31855" },
> + { },
> +};
> +MODULE_DEVICE_TABLE(of, maxim_thermocouple_of_match);
> +
> static struct spi_driver maxim_thermocouple_driver = {
> .driver = {
> .name = MAXIM_THERMOCOUPLE_DRV_NAME,
> + .of_match_table = maxim_thermocouple_of_match,
> },
> .probe = maxim_thermocouple_probe,
> .remove = maxim_thermocouple_remove,
> --
> 2.7.4
>
