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Date:	Thu, 19 Jun 2014 11:43:11 -0700
From:	Kevin Hilman <>
To:	Doug Anderson <>
Cc:	Wolfram Sang <>,
	Kukjin Kim <>,
	Tomasz Figa <>,,,,,,,,,,,,
Subject: Re: [PATCH] i2c: exynos5: Properly use the "noirq" variants of suspend/resume

Doug Anderson <> writes:

> The original code for the exynos i2c controller registered for the
> "noirq" variants.  However during review feedback it was moved to
> SIMPLE_DEV_PM_OPS without anyone noticing that it meant we were no
> longer actually "noirq" (despite functions named
> exynos5_i2c_suspend_noirq and exynos5_i2c_resume_noirq).
> i2c controllers that might have wakeup sources on them seem to need to
> resume at noirq time so that the individual drivers can actually read
> the i2c bus to handle their wakeup.

I suspect usage of the noirq variants pre-dates the existence of the
late/early callbacks in the PM core, but based on the description above,
I suspect what you actually want is the late/early callbacks.

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