linux-kernel - Re: [PATCH v2] extcon: ptn5150: handle pending IRQ events during system resume

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 for Android: free password hash cracker in your pocket

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

Message-ID: <c51e57cc-2098-4d0a-86da-46bc77aa258d@kernel.org>
Date: Mon, 24 Nov 2025 00:32:52 +0900
From: Chanwoo Choi <chanwoo@...nel.org>
To: Xu Yang <xu.yang_2@....com>, krzk@...nel.org, myungjoo.ham@...sung.com,
 cw00.choi@...sung.com
Cc: linux-kernel@...r.kernel.org, imx@...ts.linux.dev
Subject: Re: [PATCH v2] extcon: ptn5150: handle pending IRQ events during
 system resume

25. 11. 15. 11:59에 Xu Yang 이(가) 쓴 글:
> When the system is suspended and ptn5150 wakeup interrupt is disabled,
> any changes on ptn5150 will only be record in interrupt status
> registers and won't fire an IRQ since its trigger type is falling
> edge. So the HW interrupt line will keep at low state and any further
> changes won't trigger IRQ anymore. To fix it, this will schedule a
> work to check whether any IRQ are pending and handle it accordingly.
> 
> Fixes: 4ed754de2d66 ("extcon: Add support for ptn5150 extcon driver")
> Cc: stable@...r.kernel.org
> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
> Acked-by: MyungJoo Ham <myungjoo.ham@...sung.com>
> Signed-off-by: Xu Yang <xu.yang_2@....com>
> 
> ---
> Changes in v2:
>  - make dev_pm_ops static
>  - add Rb/Ab tag
>  - add Fixes tag
> ---
>  drivers/extcon/extcon-ptn5150.c | 14 ++++++++++++++
>  1 file changed, 14 insertions(+)

Applied it. Thanks.

-- 
Best Regards,
Samsung Electronics
Chanwoo Choi