From patchwork Tue Oct 20 09:56:48 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hsin-Hsiung Wang X-Patchwork-Id: 292351 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-11.1 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, MIME_BASE64_TEXT, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, UNPARSEABLE_RELAY, URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E5ED9C433E7 for ; Tue, 20 Oct 2020 09:57:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6D0DA2177B for ; Tue, 20 Oct 2020 09:57:42 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b="msBE7gkk" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2404968AbgJTJ5h (ORCPT ); Tue, 20 Oct 2020 05:57:37 -0400 Received: from mailgw01.mediatek.com ([210.61.82.183]:47100 "EHLO mailgw01.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S2404885AbgJTJ5g (ORCPT ); Tue, 20 Oct 2020 05:57:36 -0400 X-UUID: 44250b962f4d45b0aa08c71c3f33d26e-20201020 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Transfer-Encoding:Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From; bh=F8WnTljv3hNTWcc1qMKTEyBohllp3UNYpl8swfbVRfI=; b=msBE7gkkEU+CAXdvBuBpNki15RDzOt1omhs/KjRHOuMhoq11rkJqNI1Zp7j/H9eV/6MBdOZFqG6CKEqhaNsz0uY2EOzpgaeey/OroDfgT1rq5J85zAnShvMceXLetqBMpL085ZBZS2iH7GjfXIG68ku2IlXyqSW2TgjCrs/0Quo=; X-UUID: 44250b962f4d45b0aa08c71c3f33d26e-20201020 Received: from mtkcas06.mediatek.inc [(172.21.101.30)] by mailgw01.mediatek.com (envelope-from ) (Cellopoint E-mail Firewall v4.1.14 Build 0819 with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 1910383176; Tue, 20 Oct 2020 17:57:26 +0800 Received: from mtkcas08.mediatek.inc (172.21.101.126) by mtkmbs05n2.mediatek.inc (172.21.101.140) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Tue, 20 Oct 2020 17:57:24 +0800 Received: from mtksdaap41.mediatek.inc (172.21.77.4) by mtkcas08.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Tue, 20 Oct 2020 17:57:25 +0800 From: Hsin-Hsiung Wang To: Liam Girdwood , Mark Brown , Rob Herring , Matthias Brugger , Stephen Boyd CC: , , , , , , Hsin-Hsiung Wang Subject: [PATCH v2 1/3] spmi: Add driver shutdown support Date: Tue, 20 Oct 2020 17:56:48 +0800 Message-ID: <1603187810-30481-2-git-send-email-hsin-hsiung.wang@mediatek.com> X-Mailer: git-send-email 2.6.4 In-Reply-To: <1603187810-30481-1-git-send-email-hsin-hsiung.wang@mediatek.com> References: <1603187810-30481-1-git-send-email-hsin-hsiung.wang@mediatek.com> MIME-Version: 1.0 X-MTK: N Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Add new shutdown() method. Use it in the standard driver model style. Signed-off-by: Hsin-Hsiung Wang --- drivers/spmi/spmi.c | 9 +++++++++ include/linux/spmi.h | 1 + 2 files changed, 10 insertions(+) -- 2.18.0 diff --git a/drivers/spmi/spmi.c b/drivers/spmi/spmi.c index c16b60f645a4..161a48ca4acc 100644 --- a/drivers/spmi/spmi.c +++ b/drivers/spmi/spmi.c @@ -357,6 +357,14 @@ static int spmi_drv_remove(struct device *dev) return 0; } +static void spmi_drv_shutdown(struct device *dev) +{ + const struct spmi_driver *sdrv = to_spmi_driver(dev->driver); + + if (sdrv && sdrv->shutdown) + sdrv->shutdown(to_spmi_device(dev)); +} + static int spmi_drv_uevent(struct device *dev, struct kobj_uevent_env *env) { int ret; @@ -373,6 +381,7 @@ static struct bus_type spmi_bus_type = { .match = spmi_device_match, .probe = spmi_drv_probe, .remove = spmi_drv_remove, + .shutdown = spmi_drv_shutdown, .uevent = spmi_drv_uevent, }; diff --git a/include/linux/spmi.h b/include/linux/spmi.h index 394a3f68bad5..729bcbf9f5ad 100644 --- a/include/linux/spmi.h +++ b/include/linux/spmi.h @@ -138,6 +138,7 @@ struct spmi_driver { struct device_driver driver; int (*probe)(struct spmi_device *sdev); void (*remove)(struct spmi_device *sdev); + void (*shutdown)(struct spmi_device *sdev); }; static inline struct spmi_driver *to_spmi_driver(struct device_driver *d)