Re: [PATCH] spi: spidev: Warn loudly if instantiated from DT as "spidev"

[Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>]

On Thu, Apr 23, 2015 at 9:42 AM, Geert Uytterhoeven
<geert@xxxxxxxxxxxxxx> wrote:
>> Note that on a raspberry pi the 2 SPI devices are by default configured
>> as spidev and only overlays would change the settings to a different
>> alias. So this change will impact that default immediately.
>>
>> Thus I wonder if it is wise to produce potential “support issues" for
>> distributions triggered by this patch.
>
> So what you need is a way to handover from generic spidev to a device-specific
> driver, cfr. what graphics drivers do when the device has been bound to by
> vesafb or simplefb.
>
> Could this be implemented in a generic way in the spi or DT code?

I guess this has been suggested before: the spi core could provide spidev
access to all spi client devices which are not bound by a driver?

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds
--
To unsubscribe from this list: send the line "unsubscribe linux-spi" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html