From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933062AbcHCXGY (ORCPT ); Wed, 3 Aug 2016 19:06:24 -0400 Received: from mail-pf0-f180.google.com ([209.85.192.180]:36427 "EHLO mail-pf0-f180.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932949AbcHCXGU (ORCPT ); Wed, 3 Aug 2016 19:06:20 -0400 From: John Stultz To: lkml Cc: John Stultz , Andy Yan , Rob Herring , Arnd Bergmann , Thierry Reding , =?UTF-8?q?Heiko=20St=C3=BCbner?= , Caesar Wang , Kees Cook , Guodong Xu , Haojian Zhuang , Vishal Bhoj , Bjorn Andersson , devicetree@vger.kernel.org, Android Kernel Team Subject: [RFC][PATCH 0/4] SRAM based reboot reason driver for HiKey Date: Wed, 3 Aug 2016 16:05:19 -0700 Message-Id: <1470265523-27557-1-git-send-email-john.stultz@linaro.org> X-Mailer: git-send-email 1.9.1 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Now that Andy's reboot reason core driver has landed, I wanted to resubmit a reworked version of my SRAM based reboot reason driver. This allows the kernel to communicate to the bootloader what mode it should reboot to using some reserved memory. Feedback would be very much appreciated! thanks -john Cc: Andy Yan Cc: Rob Herring Cc: Arnd Bergmann Cc: Thierry Reding Cc: Heiko Stübner Cc: Caesar Wang Cc: Kees Cook Cc: Guodong Xu Cc: Haojian Zhuang Cc: Vishal Bhoj Cc: Bjorn Andersson Cc: devicetree@vger.kernel.org Cc: Android Kernel Team John Stultz (4): drivers: sram: Have sram driver probe children nodes dt-bindings: power: reset: Add document for sram-reboot-mode driver power: reset: Add sram-reboot-mode driver dts: hikey: Add hikey support for sram-reboot-mode .../bindings/power/reset/sram-reboot-mode.txt | 35 ++++++++ arch/arm64/boot/dts/hisilicon/hi6220-hikey.dts | 22 ++++- drivers/misc/sram.c | 3 + drivers/power/reset/Kconfig | 10 +++ drivers/power/reset/Makefile | 1 + drivers/power/reset/sram-reboot-mode.c | 95 ++++++++++++++++++++++ 6 files changed, 165 insertions(+), 1 deletion(-) create mode 100644 Documentation/devicetree/bindings/power/reset/sram-reboot-mode.txt create mode 100644 drivers/power/reset/sram-reboot-mode.c -- 1.9.1