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SubjectRe: i2c-omap.c vs. qemu: too much work in one irq (and broken boot)

> I'm trying to get qemu emulation of Nokia N900 to work, but
> unfortunately i2c-omap.c breaks boot in the emulator (real hardware
> works ok).

I started bisection. v4.6 works, v4.7 is broken. (It still may be
config difference or something).

This looked suspect, so I tried reverting it, but it did not help. And
it is only significant change in i2c-omap.c. So... this may be a lot
of fun.

commit 126a66caec4a00b8d66dbc3174b0efa905cf68c3
Author: Sebastian Andrzej Siewior <>
Date: Mon Apr 4 16:55:23 2016 +0300

Unfortunately, mmc is broken in v4.6, so its useless for
emulation... [ 3.236724] mmc1: error -22 whilst initialising SDIO card

(cesky, pictures)
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