linux-kernel - [PATCH v1 0/1] pinctrl:mtk: Fix kexec() initialization

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-next>] [day] [month] [year] [list]

Date:   Tue, 22 Nov 2022 00:38:54 +0100
From:   Ricardo Ribalda <ribalda@...omium.org>
To:     Linus Walleij <linus.walleij@...aro.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Sean Wang <sean.wang@...nel.org>
Cc:     Steven Rostedt <rostedt@...dmis.org>,
        Ross Zwisler <zwisler@...nel.org>,
        linux-kernel@...r.kernel.org, linux-gpio@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org,
        Sergey Senozhatsky <senozhatsky@...omium.org>,
        "Joel Fernandes (Google)" <joel@...lfernandes.org>,
        Ricardo Ribalda <ribalda@...omium.org>
Subject: [PATCH v1 0/1] pinctrl:mtk: Fix kexec() initialization

When we use kexec to reboot a system, the hardware keeps its
old state.

This can be problematic for interrupt controllers.

Lets initialise the controller with a know state.

To: Sean Wang <sean.wang@...nel.org>
To: Linus Walleij <linus.walleij@...aro.org>
To: Matthias Brugger <matthias.bgg@...il.com>
Cc: linux-mediatek@...ts.infradead.org
Cc: linux-gpio@...r.kernel.org
Cc: linux-arm-kernel@...ts.infradead.org
Cc: linux-kernel@...r.kernel.org
Cc: Joel Fernandes (Google) <joel@...lfernandes.org>
Cc: Sergey Senozhatsky <senozhatsky@...omium.org>
Cc: Steven Rostedt <rostedt@...dmis.org>
Cc: Ross Zwisler <zwisler@...nel.org>
Signed-off-by: Ricardo Ribalda <ribalda@...omium.org>

---
Ricardo Ribalda (1):
      pinctrl: meditatek: Startup with the IRQs disabled

 drivers/pinctrl/mediatek/mtk-eint.c | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)
---
base-commit: eb7081409f94a9a8608593d0fb63a1aa3d6f95d8
change-id: 20221122-mtk-pinctrl-a82d0240c848

Best regards,
-- 
Ricardo Ribalda <ribalda@...omium.org>