Re: [PATCH v3 1/4] gpio: pca953x: set the PCA_PCAL flag also when matching by DT

From: Andy Shevchenko
Date: Tue Apr 10 2018 - 14:10:11 EST


On Tue, Apr 10, 2018 at 9:08 PM, Andy Shevchenko
<andy.shevchenko@xxxxxxxxx> wrote:
> On Tue, Apr 10, 2018 at 7:07 PM, H. Nikolaus Schaller <hns@xxxxxxxxxxxxx> 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.
>
>
>> + { .compatible = "nxp,pcal6524", .data = OF_953X(24, PCA_INT |
>> + PCA_PCAL), },
>> + { .compatible = "nxp,pcal9555a", .data = OF_953X(16, PCA_INT |
>> + PCA_PCAL), },
>
> Sorry didn't comment this earlier, though I think one line still
> better to read disregard of 80 char limit.

Another possible solution:

#define PCA_LATCH_INT (PCA_PCAL | PCA_INT)

or alike

--
With Best Regards,
Andy Shevchenko