From patchwork Mon Aug 3 08:57:25 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: 11697631 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 967A0138C for ; Mon, 3 Aug 2020 08:59:16 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 6FA022070A for ; Mon, 3 Aug 2020 08:59:16 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="ROADdZYK"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b="GEKOq4tq" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 6FA022070A Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=mediatek.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To:Message-ID:Date: Subject:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=Aj8z5sLENng8AHXCvoJ/bsAKEyYJoK2dpQziaxjWWGg=; b=ROADdZYKtaQ4fxKBH4wIO/qTA iKOav9xs7uAvFrAgs2S3fM0UKWuSjHtmdcXGEaNRnviEI8Lu2O5OEm6xnqrPSdQRM/ZMaokX4iAMl 78/ntuJW+tt/0kjreRrDF7+wZKMHWDGDp2VJhI1/qsUuF8Q9n6GDnn/MCxKsFlPvbWGRQCBunw9Xh cM4yiYxtKUigxWSaHXg7u7laquMT86BiQ/wvjWtPdeGN4nKR9UH7r/gVPU4rkvvskhLONMtKV+x5v 4eFkL6doN/3BLL9Iy+a/UQtGgOtB0ak3Hcr2E25cNv5Hyun7M/BAcutA2jTAA5X9qaBIK46yz/gjo M9hTaTsLA==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1k2WIC-0003PK-3F; Mon, 03 Aug 2020 08:58:00 +0000 Received: from mailgw01.mediatek.com ([216.200.240.184]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1k2WI5-0003Ld-GI; Mon, 03 Aug 2020 08:57:54 +0000 X-UUID: fcfb42a2155c4891ab5cc025f81ed5a1-20200803 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=ERSI7lvLnv/tu/AUYaGM8CHfyvlRJpUTDWsBR5j2Xvw=; b=GEKOq4tqqwW6xqawGaHXbMe+hHC8exyqRuyublY1HCUObDpmnSVWMDAd+BWB52HClfd1yKR+5/qR7vVfq11eAxXUKJcXbv8qJO0Z/kDRIWuOv3eVmD9OylJ4eWaeoslnoa9PIxffOUcorgcZMzfYjQ6+5jRaRKjfb9qq/sTHwPM=; X-UUID: fcfb42a2155c4891ab5cc025f81ed5a1-20200803 Received: from mtkcas66.mediatek.inc [(172.29.193.44)] by mailgw01.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLS) with ESMTP id 1860452072; Mon, 03 Aug 2020 00:57:46 -0800 Received: from mtkmbs05n2.mediatek.inc (172.21.101.140) by MTKMBS62N1.mediatek.inc (172.29.193.41) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Mon, 3 Aug 2020 01:57:37 -0700 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; Mon, 3 Aug 2020 16:57:35 +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; Mon, 3 Aug 2020 16:57:35 +0800 From: Hsin-Hsiung Wang To: Mark Brown , Rob Herring , Matthias Brugger Subject: [PATCH 1/3] spmi: Add driver shutdown support Date: Mon, 3 Aug 2020 16:57:25 +0800 Message-ID: <1596445047-2975-2-git-send-email-hsin-hsiung.wang@mediatek.com> X-Mailer: git-send-email 2.6.4 In-Reply-To: <1596445047-2975-1-git-send-email-hsin-hsiung.wang@mediatek.com> References: <1596445047-2975-1-git-send-email-hsin-hsiung.wang@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200803_045753_705631_3CBDFE93 X-CRM114-Status: GOOD ( 16.32 ) X-Spam-Score: -0.2 (/) X-Spam-Report: SpamAssassin version 3.4.4 on merlin.infradead.org summary: Content analysis details: (-0.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.0 SPF_PASS SPF: sender matches SPF record 0.0 MIME_BASE64_TEXT RAW: Message text disguised using base64 encoding -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain 0.0 UNPARSEABLE_RELAY Informational: message has unparseable relay lines X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, srv_heupstream@mediatek.com, Stephen Boyd , linux-arm-msm@vger.kernel.org, Liam Girdwood , linux-kernel@vger.kernel.org, linux-mediatek@lists.infradead.org, Hsin-Hsiung Wang , linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org Add new shutdown() method. Use it in the standard driver model style. Signed-off-by: Hsin-Hsiung Wang --- drivers/spmi/spmi.c | 12 ++++++++++++ drivers/spmi/spmi.c | 12 ++++++++++++ include/linux/spmi.h | 1 + 2 files changed, 13 insertions(+) diff --git a/drivers/spmi/spmi.c b/drivers/spmi/spmi.c index c16b60f..5fde024 100644 --- a/drivers/spmi/spmi.c +++ b/drivers/spmi/spmi.c @@ -357,6 +357,17 @@ 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) + return; + + + if (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 +384,7 @@ static struct bus_type spmi_bus_type = { @@ -373,6 +384,7 @@ 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 394a3f6..729bcbf 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)