From: Kalle Valo <kvalo@codeaurora.org>
To: Marc Zyngier <marc.zyngier@arm.com>
Cc: Ganapathi Bhat <gbhat@marvell.com>,
Heiko Stuebner <heiko@sntech.de>,
devicetree@vger.kernel.org, Xinming Hu <huxinming820@gmail.com>,
netdev@vger.kernel.org, linux-wireless@vger.kernel.org,
linux-kernel@vger.kernel.org,
Amitkumar Karwar <amitkarwar@gmail.com>,
linux-rockchip@lists.infradead.org,
Nishant Sarmukadam <nishants@marvell.com>,
Rob Herring <robh+dt@kernel.org>,
Enric Balletbo i Serra <enric.balletbo@collabora.com>,
"David S. Miller" <davem@davemloft.net>,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH 3/4] mwifiex: Flag wake-up interrupt as IRQ_NOAUTOEN rather than disabling it too late
Date: Thu, 4 Apr 2019 10:22:50 +0000 (UTC) [thread overview]
Message-ID: <20190404102251.0C5FA60A43@smtp.codeaurora.org> (raw)
In-Reply-To: <20190224140426.3267-4-marc.zyngier@arm.com>
Marc Zyngier <marc.zyngier@arm.com> wrote:
> The mwifiex driver makes unsafe assumptions about the state of the
> wake-up interrupt. It requests it and only then disable it. Of
> course, the interrupt may be screaming for whatever reason at that
> time, and the handler will then be called without the interrupt
> having been registered with the PM/wakeup subsystem. Oops.
>
> The right way to handle this kind of situation is to flag the
> interrupt with IRQ_NOAUTOEN before requesting it. It will then
> stay disabled until someone (the wake-up subsystem) enables it.
>
> Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
> Reviewed-by: Brian Norris <briannorris@chromium.org>
Failed to apply:
fatal: sha1 information is lacking or useless (drivers/net/wireless/marvell/mwifiex/main.c).
error: could not build fake ancestor
Applying: mwifiex: Flag wake-up interrupt as IRQ_NOAUTOEN rather than disabling it too late
Patch failed at 0001 mwifiex: Flag wake-up interrupt as IRQ_NOAUTOEN rather than disabling it too late
The copy of the patch that failed is found in: .git/rebase-apply/patch
Patch set to Changes Requested.
--
https://patchwork.kernel.org/patch/10827971/
https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches
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next prev parent reply other threads:[~2019-04-04 10:23 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-02-24 14:04 [PATCH 0/4] mwifiex PCI/wake-up interrupt fixes Marc Zyngier
2019-02-24 14:04 ` [PATCH 1/4] dt-bindings/marvell-8xxx: Allow wake-up interrupt to be placed in a separate node Marc Zyngier
2019-02-24 14:04 ` [PATCH 2/4] mwifiex: Fetch wake-up interrupt from 'wake-up' subnode when it exists Marc Zyngier
2019-02-24 14:04 ` [PATCH 3/4] mwifiex: Flag wake-up interrupt as IRQ_NOAUTOEN rather than disabling it too late Marc Zyngier
2019-02-26 23:31 ` Brian Norris
2019-02-26 23:34 ` Brian Norris
2019-04-04 10:22 ` Kalle Valo [this message]
2019-02-24 14:04 ` [PATCH 4/4] arm64: dts: rockchip: gru: Move wifi wake-up interrupt into its own subnode Marc Zyngier
2019-02-25 12:45 ` [PATCH 0/4] mwifiex PCI/wake-up interrupt fixes Ard Biesheuvel
2019-02-25 14:52 ` Marc Zyngier
2019-02-26 16:21 ` Ard Biesheuvel
2019-02-26 17:14 ` Marc Zyngier
2019-02-26 23:44 ` Brian Norris
2019-02-27 9:27 ` Marc Zyngier
2019-02-26 23:28 ` Brian Norris
2019-02-27 10:02 ` Marc Zyngier
2019-02-27 10:16 ` Ard Biesheuvel
2019-02-27 20:57 ` Brian Norris
2019-02-27 23:03 ` Rafael J. Wysocki
2019-02-28 2:29 ` Brian Norris
2019-02-28 11:03 ` Rafael J. Wysocki
2019-02-27 20:51 ` Brian Norris
2019-03-08 8:26 ` Kalle Valo
2019-03-08 9:02 ` Marc Zyngier
2019-03-08 9:36 ` Kalle Valo
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