netdev - DaVinci Emac Driver Fails to wake up on suspending to RAM

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Message-ID: <CA+V-a8vrq7+53FwtEqcwV0FmPHPvsb_E=OWvoqfT_kPAkZoUxw@mail.gmail.com>
Date:	Sun, 13 Oct 2013 12:58:57 +0530
From:	Prabhakar Lad <prabhakar.csengg@...il.com>
To:	dlos <davinci-linux-open-source@...ux.davincidsp.com>,
	Mugunthan V N <mugunthanvnm@...com>,
	netdev <netdev@...r.kernel.org>
Cc:	Sekhar Nori <nsekhar@...com>
Subject: DaVinci Emac Driver Fails to wake up on suspending to RAM

Hi,

While testing the suspend to RAM on OMAP-L138, I see a issue while waking up
the request irq fails with following log.

Linux version is Linux version 3.12.0-rc2

root@...50-omapl138-evm:~# rtcwake -d /dev/rtc0 -s 20 -m mem
wakeup from "mem" at Sat Jan  1 00:01:47 2000
PM: Syncing filesystems ... done.
Freezing user space processes ... (elapsed 0.001 seconds) done.
Freezing remaining freezable tasks ... (elapsed 0.001 seconds) done.
Suspending console(s) (use no_console_suspend to debug)
PM: suspend of devices complete after 8.693 msecs
PM: suspend devices took 0.010 seconds
PM: late suspend of devices complete after 3.096 msecs
PM: noirq suspend of devices complete after 2.989 msecs
PM: noirq resume of devices complete after 2.396 msecs
PM: early resume of devices complete after 2.851 msecs
genirq: Flags mismatch irq 33. 00000000 (eth0) vs. 00000000 (eth0)
net eth0: DaVinci EMAC: devm_request_irq() failed
PM: resume of devices complete after 15.857 msecs
PM: resume devices took 0.020 seconds
Restarting tasks ... done.
nfs: server 169.254.80.251 not responding, still trying
nfs: server 169.254.80.251 not responding, still trying

-- 
Regards,
--Prabhakar Lad
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