[Letux-kernel] [PATCH v2 1/5] gpio: pca953x: set the PCA_PCAL flag also when matching by DT

Andy Shevchenko andy.shevchenko at gmail.com
Tue Apr 10 16:38:52 CEST 2018


On Wed, Apr 4, 2018 at 10:00 PM, H. Nikolaus Schaller <hns at goldelico.com> wrote:
> The of_device_table is missing the PCA_PCAL flag so the
> pcal6524 would be operated in tca6424 compatibility mode which
> does not handle the new interrupt mask registers.
>

Reported-by or Suggested-by?

> Signed-off-by: H. Nikolaus Schaller <hns at goldelico.com>
> ---
>  drivers/gpio/gpio-pca953x.c | 6 ++++--
>  1 file changed, 4 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/gpio/gpio-pca953x.c b/drivers/gpio/gpio-pca953x.c
> index d2ead4b1cf61..4a075619b93e 100644
> --- a/drivers/gpio/gpio-pca953x.c
> +++ b/drivers/gpio/gpio-pca953x.c
> @@ -936,8 +936,10 @@ static const struct of_device_id pca953x_dt_ids[] = {
>         { .compatible = "nxp,pca9575", .data = OF_957X(16, PCA_INT), },
>         { .compatible = "nxp,pca9698", .data = OF_953X(40, 0), },
>
> -       { .compatible = "nxp,pcal6524", .data = OF_953X(24, PCA_INT), },
> -       { .compatible = "nxp,pcal9555a", .data = OF_953X(16, PCA_INT), },
> +       { .compatible = "nxp,pcal6524", .data = OF_953X(24, PCA_INT |
> +                                                           PCA_PCAL), },
> +       { .compatible = "nxp,pcal9555a", .data = OF_953X(16, PCA_INT |
> +                                                            PCA_PCAL), },
>
>         { .compatible = "maxim,max7310", .data = OF_953X( 8, 0), },
>         { .compatible = "maxim,max7312", .data = OF_953X(16, PCA_INT), },
> --
> 2.12.2
>



-- 
With Best Regards,
Andy Shevchenko


More information about the Letux-kernel mailing list