On Tue, Sep 20, 2016 at 12:48 PM, Peter Rosin <p...@axentia.se> wrote:
> On 2016-09-20 12:07, Bartosz Golaszewski wrote:
>> I feel like it's just wrong to set an arbitrary limit on the number of
>> i2c branches - and this is what the result of this approach would be.
> What arbitrary limit would that be? The number of lockdep classes
> can't be *that* limited? Or?
> I mean one lockdep class per root adapter and one subclass within that
> class per mux level doesn't sound too bad. How many root adapters do
> we need to design for?

'git grep -c i2c@ -- "*dts*"' told me exynos7 has 12 i2c interfaces.
And as long as I have gpios (pcf8574?), I can add more using i2c-gpio.
Hence the upper limit is infinity.



Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- ge...@linux-m68k.org

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

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