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From: Kalle Valo <kvalo@qca.qualcomm.com>
To: Michal Kazior <michal.kazior@tieto.com>
Cc: <ath10k@lists.infradead.org>, <linux-wireless@vger.kernel.org>
Subject: Re: [PATCH v2] ath10k: fix device teardown
Date: Mon, 5 Aug 2013 19:23:07 +0300	[thread overview]
Message-ID: <87pptsf6ok.fsf@kamboji.qca.qualcomm.com> (raw)
In-Reply-To: <1375427747-9539-1-git-send-email-michal.kazior@tieto.com> (Michal Kazior's message of "Fri, 2 Aug 2013 09:15:47 +0200")

Michal Kazior <michal.kazior@tieto.com> writes:

> This fixes interrupt-related issue when no
> interfaces were running thus the device was
> considered powered down.
>
> The power_down() function isn't really powering
> down the device. It simply assumed it won't
> interrupt. This wasn't true in some cases and
> could lead to paging failures upon FW indication
> interrupt (i.e. FW crash) because some structures
> aren't allocated in that device state.
>
> One reason for that was that ar_pci->started
> wasn't reset. The other is interrupts should've
> been masked when teardown starts.
>
> The patch reorganized interrupt setup and makes
> sure ar_pci->started is reset accordingly.
>
> Reported-by: Ben Greear <greearb@candelatech.com>
> Signed-off-by: Michal Kazior <michal.kazior@tieto.com>

Thanks, applied.

-- 
Kalle Valo

WARNING: multiple messages have this Message-ID (diff)
From: Kalle Valo <kvalo@qca.qualcomm.com>
To: Michal Kazior <michal.kazior@tieto.com>
Cc: linux-wireless@vger.kernel.org, ath10k@lists.infradead.org
Subject: Re: [PATCH v2] ath10k: fix device teardown
Date: Mon, 5 Aug 2013 19:23:07 +0300	[thread overview]
Message-ID: <87pptsf6ok.fsf@kamboji.qca.qualcomm.com> (raw)
In-Reply-To: <1375427747-9539-1-git-send-email-michal.kazior@tieto.com> (Michal Kazior's message of "Fri, 2 Aug 2013 09:15:47 +0200")

Michal Kazior <michal.kazior@tieto.com> writes:

> This fixes interrupt-related issue when no
> interfaces were running thus the device was
> considered powered down.
>
> The power_down() function isn't really powering
> down the device. It simply assumed it won't
> interrupt. This wasn't true in some cases and
> could lead to paging failures upon FW indication
> interrupt (i.e. FW crash) because some structures
> aren't allocated in that device state.
>
> One reason for that was that ar_pci->started
> wasn't reset. The other is interrupts should've
> been masked when teardown starts.
>
> The patch reorganized interrupt setup and makes
> sure ar_pci->started is reset accordingly.
>
> Reported-by: Ben Greear <greearb@candelatech.com>
> Signed-off-by: Michal Kazior <michal.kazior@tieto.com>

Thanks, applied.

-- 
Kalle Valo

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  parent reply	other threads:[~2013-08-05 16:23 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-07-18  6:39 [PATCH] ath10k: move irq setup Michal Kazior
2013-07-18  6:39 ` Michal Kazior
2013-07-30 18:35 ` Kalle Valo
2013-07-30 18:35   ` Kalle Valo
2013-07-31  5:50   ` Michal Kazior
2013-07-31  5:50     ` Michal Kazior
2013-07-31 10:50     ` Michal Kazior
2013-07-31 10:50       ` Michal Kazior
2013-08-02  7:15 ` [PATCH v2] ath10k: fix device teardown Michal Kazior
2013-08-02  7:15   ` Michal Kazior
2013-08-02  7:41   ` Kalle Valo
2013-08-02  7:41     ` Kalle Valo
2013-08-02  7:51     ` Michal Kazior
2013-08-02  7:51       ` Michal Kazior
2013-08-02  8:00       ` Kalle Valo
2013-08-02  8:00         ` Kalle Valo
2013-08-05 16:23   ` Kalle Valo [this message]
2013-08-05 16:23     ` Kalle Valo

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