From patchwork Thu Mar 5 19:05:26 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Elliot Berman X-Patchwork-Id: 11422477 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 6ADF914B4 for ; Thu, 5 Mar 2020 19:05:54 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 4B98D208CD for ; Thu, 5 Mar 2020 19:05:54 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=mg.codeaurora.org header.i=@mg.codeaurora.org header.b="C3hqFeY9" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726048AbgCETFx (ORCPT ); Thu, 5 Mar 2020 14:05:53 -0500 Received: from mail27.static.mailgun.info ([104.130.122.27]:23666 "EHLO mail27.static.mailgun.info" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725946AbgCETFw (ORCPT ); Thu, 5 Mar 2020 14:05:52 -0500 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1583435152; h=Message-Id: Date: Subject: Cc: To: From: Sender; bh=1sG3u0mTkH09rmGeFRjFz49NiO7dwyUuTIhoDE0H1I8=; b=C3hqFeY9MV2FjE+0cxY5W/jbYlmFe9NOfHj9tOr5avQuOfahFN3fjTqdTg+2cFKtvOmkrzUO RAqLEZ3UOwUAx/Mm75ZnCrXOEMN7FBHyUhJG9mXviU5VKpB4PNAof5N/RoZ5zxADTnuALy55 ZPIeeBlXBiP07SU7iooldZgAgS0= X-Mailgun-Sending-Ip: 104.130.122.27 X-Mailgun-Sid: WyI1MzIzYiIsICJsaW51eC1hcm0tbXNtQHZnZXIua2VybmVsLm9yZyIsICJiZTllNGEiXQ== Received: from smtp.codeaurora.org (ec2-35-166-182-171.us-west-2.compute.amazonaws.com [35.166.182.171]) by mxa.mailgun.org with ESMTP id 5e614d87.7faad0100a08-smtp-out-n01; Thu, 05 Mar 2020 19:05:43 -0000 (UTC) Received: by smtp.codeaurora.org (Postfix, from userid 1001) id 1A66DC447A6; Thu, 5 Mar 2020 19:05:43 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-caf-mail-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-1.0 required=2.0 tests=ALL_TRUSTED,SPF_NONE autolearn=unavailable autolearn_force=no version=3.4.0 Received: from eberman-linux.qualcomm.com (i-global254.qualcomm.com [199.106.103.254]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: eberman) by smtp.codeaurora.org (Postfix) with ESMTPSA id E59EDC43383; Thu, 5 Mar 2020 19:05:40 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org E59EDC43383 Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; spf=none smtp.mailfrom=eberman@codeaurora.org From: Elliot Berman To: Mark Rutland , Lorenzo Pieralisi , Sudeep Holla Cc: Elliot Berman , Bjorn Andersson , Trilok Soni , Prasad Sodagudi , David Collins , linux-arm-kernel@lists.infradead.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v3 0/3] ARM PSCI: Add support for vendor-specific SYSTEM_RESET2 Date: Thu, 5 Mar 2020 11:05:26 -0800 Message-Id: <1583435129-31356-1-git-send-email-eberman@codeaurora.org> X-Mailer: git-send-email 2.7.4 Sender: linux-arm-msm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org This patch adds support for vendor-specific SYSTEM_RESET2 to support Qualcomm target use cases of rebooting into a RAM dump download mode. This patch series applies on top of [1]. [1]: https://lore.kernel.org/patchwork/cover/1185759/ Changes since v2: - dt property forces vendor-specifc reset type Changes since v1: - Address Sudeep's comments Changes since RFC v2: - None, tested on SM8250 MTP Elliot Berman (3): dt: psci: Add arm,psci-sys-reset2-vendor-param property firmware: psci: Add support for dt-supplied SYSTEM_RESET2 type arm64: dts: qcom: sm8250: Add vendor-specific PSCI system reset2 type Documentation/devicetree/bindings/arm/psci.yaml | 7 +++++++ arch/arm64/boot/dts/qcom/sm8250.dtsi | 1 + drivers/firmware/psci/psci.c | 21 +++++++++++++++++---- include/uapi/linux/psci.h | 5 +++++ 4 files changed, 30 insertions(+), 4 deletions(-)