From: Shubhrajyoti Datta <omaplinuxkernel-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
To: Kalle Jokiniemi
<kalle.jokiniemi-4y2FMlU5MS8onNqTyK5kxQ@public.gmane.org>
Cc: linux-i2c-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
w.sang-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org,
ben-linux-elnMNo+KYs3YtjvyW6yDsg@public.gmane.org,
tony-4v6yS6AI5VpBDgjK7y7TUQ@public.gmane.org,
linux-omap-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
grygorii.strashko-l0cyMroinI0@public.gmane.org,
khilman-1D3HCaltpLuhEniVeURVKkEOCMrvLtNR@public.gmane.org,
shubhrajyoti-l0cyMroinI0@public.gmane.org
Subject: Re: [PATCH v3] ARM: OMAP: i2c: fix interrupt flood during resume
Date: Thu, 11 Oct 2012 13:29:11 +0530 [thread overview]
Message-ID: <CAM=Q2cuAMNMR5PGZR98OEYWMUrXXxyWXYg4d=3CPAFEv+cWXfg@mail.gmail.com> (raw)
In-Reply-To: <1349871480-25182-1-git-send-email-kalle.jokiniemi-4y2FMlU5MS8onNqTyK5kxQ@public.gmane.org>
On Wed, Oct 10, 2012 at 5:48 PM, Kalle Jokiniemi
<kalle.jokiniemi-4y2FMlU5MS8onNqTyK5kxQ@public.gmane.org> wrote:
> The resume_noirq enables interrupts one-by-one starting from
> first one. Now if the wake up event for suspend came from i2c
> device, the i2c bus irq gets enabled before the threaded
> i2c device irq, causing a flood of i2c bus interrupts as the
> threaded irq that should clear the event is not enabled yet.
>
> Fixed the issue by adding suspend_noirq and resume_early
> functions that keep i2c bus interrupts disabled until
> resume_noirq has run completely.
>
> Issue was detected doing a wake up from autosleep with
> twl4030 power key on N9. Patch tested on N9.
>
> Signed-off-by: Kalle Jokiniemi <kalle.jokiniemi-4y2FMlU5MS8onNqTyK5kxQ@public.gmane.org>
Thanks for rebasing however since you were actually interested in one
of the older
stable releases how about cc stable?
next prev parent reply other threads:[~2012-10-11 7:59 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-10-10 12:18 [PATCH v3] ARM: OMAP: i2c: fix interrupt flood during resume Kalle Jokiniemi
[not found] ` <1349871480-25182-1-git-send-email-kalle.jokiniemi-4y2FMlU5MS8onNqTyK5kxQ@public.gmane.org>
2012-10-11 7:59 ` Shubhrajyoti Datta [this message]
2012-10-11 21:08 ` Kevin Hilman
[not found] ` <87ipag90om.fsf-1D3HCaltpLuhEniVeURVKkEOCMrvLtNR@public.gmane.org>
2012-10-12 10:18 ` Strashko, Grygorii
2012-10-12 11:33 ` Shubhrajyoti
[not found] ` <5077FFEC.5040407-l0cyMroinI0@public.gmane.org>
2012-10-12 12:55 ` Kankroliwala, Huzefa
2012-10-12 13:28 ` Kalle Jokiniemi
[not found] ` <902E09E6452B0E43903E4F2D568737AB2C87B0-bXo5r3zvlxeIQmiDNMet8wC/G2K4zDHf@public.gmane.org>
2012-10-12 14:17 ` Kevin Hilman
2012-10-12 14:34 ` Kevin Hilman
[not found] ` <87d30n7o9q.fsf-1D3HCaltpLuhEniVeURVKkEOCMrvLtNR@public.gmane.org>
2012-10-12 14:46 ` Strashko, Grygorii
2012-10-12 16:43 ` Kevin Hilman
[not found] ` <87r4p363ps.fsf-1D3HCaltpLuhEniVeURVKkEOCMrvLtNR@public.gmane.org>
2012-10-12 18:11 ` Shubhrajyoti Datta
2012-10-12 19:04 ` Kevin Hilman
[not found] ` <87txtzy0jf.fsf-1D3HCaltpLuhEniVeURVKkEOCMrvLtNR@public.gmane.org>
2012-10-12 19:15 ` shubhro
[not found] ` <902E09E6452B0E43903E4F2D568737AB2C8C9F-bXo5r3zvlxeIQmiDNMet8wC/G2K4zDHf@public.gmane.org>
2012-10-15 6:21 ` Kalle Jokiniemi
2012-10-15 9:16 ` Kalle Jokiniemi
2012-10-15 10:11 ` Shubhrajyoti Datta
[not found] ` <CAM=Q2cuJ-0VSgkBme_Cg8YD2cBG5NZcO6aBeTsPZ_PQGMwJ=bw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2012-10-15 14:10 ` Kalle Jokiniemi
2012-10-17 16:02 ` Felipe Balbi
[not found] ` <20121017160200.GA6567-S8G//mZuvNWo5Im9Ml3/Zg@public.gmane.org>
2012-10-18 6:51 ` Kalle Jokiniemi
2012-10-18 7:11 ` Felipe Balbi
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