linux-kernel - Re: [PATCH 3/3] mfd: stmfx: disable irq in suspend to avoid spurious interrupt

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <20200526075901.GG3628@dell>
Date:   Tue, 26 May 2020 08:59:01 +0100
From:   Lee Jones <lee.jones@...aro.org>
To:     Amelie Delaunay <amelie.delaunay@...com>
Cc:     Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Alexandre Torgue <alexandre.torgue@...com>,
        linux-stm32@...md-mailman.stormreply.com,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 3/3] mfd: stmfx: disable irq in suspend to avoid spurious
 interrupt

On Wed, 22 Apr 2020, Amelie Delaunay wrote:

> When STMFX supply is stopped, spurious interrupt can occur. To avoid that,
> disable the interrupt in suspend before disabling the regulator and
> re-enable it at the end of resume.
> 
> Fixes: 06252ade9156 ("mfd: Add ST Multi-Function eXpander (STMFX) core driver")
> Signed-off-by: Amelie Delaunay <amelie.delaunay@...com>
> ---
>  drivers/mfd/stmfx.c       | 6 ++++++
>  include/linux/mfd/stmfx.h | 1 +
>  2 files changed, 7 insertions(+)

Applied, thanks.

-- 
Lee Jones [李琼斯]
Linaro Services Technical Lead
Linaro.org │ Open source software for ARM SoCs
Follow Linaro: Facebook | Twitter | Blog