On Thu, Dec 3, 2020 at 4:10 PM Andy Shevchenko
<[email protected]> wrote:
> On Thu, Dec 3, 2020 at 4:00 PM Alexandru Ardelean
> <[email protected]> wrote:

> > +#define SPI_NO_TX      BIT(31)         /* no transmit wire */
> > +#define SPI_NO_RX      BIT(30)         /* no receive wire */
> > +#define SPI_MODE_KERNEL_MASK   (SPI_NO_TX | SPI_NO_RX)
>
> This needs a comment to explain what's going on with the flags (split).

...and to be consistent with proposal in uAPI:

#define SPI_MODE_KERNEL_MASK   (~(BIT(30) - 1))

-- 
With Best Regards,
Andy Shevchenko

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