From mboxrd@z Thu Jan 1 00:00:00 1970 From: Arnd Bergmann Subject: Re: [PATCH 0/3] Add a new LED trigger for kernel panics (and use it) Date: Tue, 29 Mar 2016 22:44:55 +0200 Message-ID: <5392030.GWFj1RcGVs@wuerfel> References: <1459283749-22451-1-git-send-email-ezequiel@vanguardiasur.com.ar> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7Bit Return-path: Received: from mout.kundenserver.de ([217.72.192.75]:63017 "EHLO mout.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754228AbcC2Upn (ORCPT ); Tue, 29 Mar 2016 16:45:43 -0400 In-Reply-To: <1459283749-22451-1-git-send-email-ezequiel@vanguardiasur.com.ar> Sender: linux-leds-owner@vger.kernel.org List-Id: linux-leds@vger.kernel.org To: linux-arm-kernel@lists.infradead.org Cc: Ezequiel Garcia , linux-leds@vger.kernel.org, k.kozlowski@samsung.com, kgene@kernel.org, Richard Purdie , Jacek Anaszewski On Tuesday 29 March 2016 17:35:46 Ezequiel Garcia wrote: > This patchset adds a very simple kernel panic LED trigger, > by hooking into panic_blink. I've tested this trigger on > ARM Armada XP OpenBlocks AX3-4 machine. > > The trigger is then used to replace the open-coded panic_blink > usage in GTA02 board. > > Note that I don't have a GTA02 board, so the last patch is only > built tested. > > Ezequiel Garcia (3): > leds: trigger: Introduce a kernel panic LED trigger > ARM: configs: Enable panic LED trigger on s3c2410 > ARM: s3c24xx: Use the panic LED trigger for GTA02 > > arch/arm/configs/s3c2410_defconfig | 1 + > arch/arm/mach-s3c24xx/mach-gta02.c | 35 ++++++++++++++++------------------- > drivers/leds/trigger/Kconfig | 7 +++++++ > drivers/leds/trigger/Makefile | 1 + > drivers/leds/trigger/ledtrig-panic.c | 30 ++++++++++++++++++++++++++++++ > 5 files changed, 55 insertions(+), 19 deletions(-) > create mode 100644 drivers/leds/trigger/ledtrig-panic.c Now we just need to port this 13-year old patch: https://lwn.net/Articles/21857/ ;-) Arnd