From patchwork Tue Jan 16 21:35:33 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Austin Christ X-Patchwork-Id: 10168129 X-Patchwork-Delegate: agross@codeaurora.org Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 097EF60325 for ; Tue, 16 Jan 2018 21:35:44 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id E9F2722A6B for ; Tue, 16 Jan 2018 21:35:43 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id D9A4925D9E; Tue, 16 Jan 2018 21:35:43 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.8 required=2.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_HI,T_DKIM_INVALID autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 597D522A6B for ; Tue, 16 Jan 2018 21:35:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750796AbeAPVfm (ORCPT ); Tue, 16 Jan 2018 16:35:42 -0500 Received: from smtp.codeaurora.org ([198.145.29.96]:56314 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750790AbeAPVfl (ORCPT ); Tue, 16 Jan 2018 16:35:41 -0500 Received: by smtp.codeaurora.org (Postfix, from userid 1000) id 329FF602BD; Tue, 16 Jan 2018 21:35:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1516138541; bh=fBBdjCqydiK+v0Nr1wXmHcPZFCFUE63RIkNaMaaV26w=; h=From:To:Cc:Subject:Date:From; b=kVTnhcquQYHdi8bJ5hTuTRu3JYXZ/85Ztbkxz4+PYGWoTdizgRZ1DAWKeBg+XQBLD HK5ALksmh2lFCoLyfPDqJIBvC+G3dCP0zOblf+tUTkjTRJfiOLX7nE/TfGozKpfgra kzqySeJAMjpw5ltuTquSetgYtxntVaFVRlqzJIvU= Received: from austinwc-lnx.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: austinwc@smtp.codeaurora.org) by smtp.codeaurora.org (Postfix) with ESMTPSA id 5BA3D601A1; Tue, 16 Jan 2018 21:35:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1516138540; bh=fBBdjCqydiK+v0Nr1wXmHcPZFCFUE63RIkNaMaaV26w=; h=From:To:Cc:Subject:Date:From; b=MMUpx9XkeQzoZeDvjgMIbJfJ61+R9EZLvdznZGozo11BmbdsJ30aqLWGFXncS+WSz ETgqDRbW/YW4Fn5nxpl1Gvml6TgJiHlJNI6XgbxyOYNtfZGhCgAhWWXXkFuuiFRa6e 8zML87q2no/Sm5yQxik/ywx2XtwigT++kL9ubWjs= DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 5BA3D601A1 Authentication-Results: pdx-caf-mail.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: pdx-caf-mail.web.codeaurora.org; spf=none smtp.mailfrom=austinwc@codeaurora.org From: Austin Christ To: wsa@the-dreams.de, linux-i2c@vger.kernel.org, linux-arm-msm@vger.kernel.org Cc: Austin Christ Subject: [PATCH] i2c: qup: Add shutdown method Date: Tue, 16 Jan 2018 14:35:33 -0700 Message-Id: <1516138534-30842-1-git-send-email-austinwc@codeaurora.org> X-Mailer: git-send-email 1.9.1 Sender: linux-arm-msm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP This shutdown method disables I2C to avoid corrupting a new kernel started with kexec. Signed-off-by: Austin Christ --- drivers/i2c/busses/i2c-qup.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/drivers/i2c/busses/i2c-qup.c b/drivers/i2c/busses/i2c-qup.c index 08f8e01..b96f01a 100644 --- a/drivers/i2c/busses/i2c-qup.c +++ b/drivers/i2c/busses/i2c-qup.c @@ -1651,12 +1651,16 @@ static int qup_i2c_remove(struct platform_device *pdev) return 0; } +static void qup_i2c_shutdown(struct platform_device *pdev) +{ + qup_i2c_remove(pdev); +} + #ifdef CONFIG_PM static int qup_i2c_pm_suspend_runtime(struct device *device) { struct qup_i2c_dev *qup = dev_get_drvdata(device); - dev_dbg(device, "pm_runtime: suspending...\n"); qup_i2c_disable_clocks(qup); return 0; } @@ -1717,6 +1721,7 @@ static int qup_i2c_resume(struct device *device) static struct platform_driver qup_i2c_driver = { .probe = qup_i2c_probe, .remove = qup_i2c_remove, + .shutdown = qup_i2c_shutdown, .driver = { .name = "i2c_qup", .pm = &qup_i2c_qup_pm_ops,