Messages in this thread | | | From | Geert Uytterhoeven <> | Date | Tue, 20 Sep 2016 13:30:58 +0200 | Subject | Re: [PATCH v2 0/4] gpio: fix an incorrect lockdep warning |
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On Tue, Sep 20, 2016 at 12:48 PM, Peter Rosin <peda@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.
Gr{oetje,eeting}s,
Geert
-- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@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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