Re: [PATCH v2 12/14] spi: spi-at91-usart: Remove unused OF table 'struct of_device_id'

From: Alexandre Belloni
Date: Fri Jul 17 2020 - 10:02:23 EST


On 17/07/2020 14:54:22+0100, Lee Jones wrote:
> The only way this driver can be probed by MFD via its parent device.
>
> No other reference to 'microchip,at91sam9g45-usart-spi' exists in the kernel.
>
> Fixes the following W=1 kernel build warning(s):
>
> drivers/spi/spi-at91-usart.c:684:34: warning: âat91_usart_spi_dt_idsâ defined but not used [-Wunused-const-variable=]
> 684 | static const struct of_device_id at91_usart_spi_dt_ids[] = {
> | ^~~~~~~~~~~~~~~~~~~~~
>
> Cc: Radu Pirea <radu_nicolae.pirea@xxxxxx>
> Cc: Nicolas Ferre <nicolas.ferre@xxxxxxxxxxxxx>
> Cc: Ludovic Desroches <ludovic.desroches@xxxxxxxxxxxxx>
> Suggested-by: Alexandre Belloni <alexandre.belloni@xxxxxxxxxxx>
> Signed-off-by: Lee Jones <lee.jones@xxxxxxxxxx>
Acked-by: Alexandre Belloni <alexandre.belloni@xxxxxxxxxxx>

> ---
> drivers/spi/spi-at91-usart.c | 7 -------
> 1 file changed, 7 deletions(-)
>
> diff --git a/drivers/spi/spi-at91-usart.c b/drivers/spi/spi-at91-usart.c
> index 88033422a42ae..8c8352625d232 100644
> --- a/drivers/spi/spi-at91-usart.c
> +++ b/drivers/spi/spi-at91-usart.c
> @@ -681,13 +681,6 @@ static const struct dev_pm_ops at91_usart_spi_pm_ops = {
> at91_usart_spi_runtime_resume, NULL)
> };
>
> -static const struct of_device_id at91_usart_spi_dt_ids[] = {
> - { .compatible = "microchip,at91sam9g45-usart-spi"},
> - { /* sentinel */}
> -};
> -
> -MODULE_DEVICE_TABLE(of, at91_usart_spi_dt_ids);
> -
> static struct platform_driver at91_usart_spi_driver = {
> .driver = {
> .name = "at91_usart_spi",
> --
> 2.25.1
>

--
Alexandre Belloni, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com