From mboxrd@z Thu Jan 1 00:00:00 1970 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=-17.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham 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 A4D49C43381 for ; Sun, 24 Jan 2021 15:11:19 +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 70E5022B2B for ; Sun, 24 Jan 2021 15:11:19 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 70E5022B2B Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=socionext.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.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:MIME-Version:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id: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=grRy+IUrsnfVyLXbVxX10QtL+Y5pcER6+KRxZSu2tnQ=; b=bAXewpODvl2I3ovwOUOz1x67nX zcWNfTeAEAwFwSxt7UsOkDbh4W57q0gm7NwXKfgib5wGs6AeVkmPjCJU6KxON5lV10lkgCwS1mqfz x8L+8JI2bfynzOXMqu9xMX4VrSIMeTZspGItYWHuNR8GAroNnyr/0kkqgu/JgMubPgQXUir6X5zYw UPKB1skhdKjQlIKZboJmBqRSLZ9h+ORWqZc3NZjM86V1AHOlD7ibn/EcMh/UbI11pZmBeKAKjaUD6 ZE3P7qz/RMO6CuHFtZVWiiofY+RDVECSHDdMaiTyCXoKJ4Dq7UIIN5J+JWqsSOiWvDHCBTIK9Xfq3 8vFk7xHg==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1l3h1S-0003k9-HR; Sun, 24 Jan 2021 15:09:50 +0000 Received: from mx.socionext.com ([202.248.49.38]) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1l3h1N-0003iN-KJ for linux-arm-kernel@lists.infradead.org; Sun, 24 Jan 2021 15:09:46 +0000 Received: from unknown (HELO iyokan2-ex.css.socionext.com) ([172.31.9.54]) by mx.socionext.com with ESMTP; 25 Jan 2021 00:09:44 +0900 Received: from mail.mfilter.local (m-filter-1 [10.213.24.61]) by iyokan2-ex.css.socionext.com (Postfix) with ESMTP id 7693A205902B; Mon, 25 Jan 2021 00:09:44 +0900 (JST) Received: from 172.31.9.51 (172.31.9.51) by m-FILTER with ESMTP; Mon, 25 Jan 2021 00:09:44 +0900 Received: from plum.e01.socionext.com (unknown [10.213.132.32]) by kinkan2.css.socionext.com (Postfix) with ESMTP id DABBDB1D40; Mon, 25 Jan 2021 00:09:43 +0900 (JST) From: Kunihiko Hayashi To: Lorenzo Pieralisi , Rob Herring , Bjorn Helgaas , Kishon Vijay Abraham I Subject: [PATCH v2 1/3] PCI: endpoint: Add 'started' to pci_epc to set whether the controller is started Date: Mon, 25 Jan 2021 00:09:35 +0900 Message-Id: <1611500977-24816-2-git-send-email-hayashi.kunihiko@socionext.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1611500977-24816-1-git-send-email-hayashi.kunihiko@socionext.com> References: <1611500977-24816-1-git-send-email-hayashi.kunihiko@socionext.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210124_100945_834607_3D48052A X-CRM114-Status: GOOD ( 14.94 ) 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: Kunihiko Hayashi , Masami Hiramatsu , linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org, Jassi Brar , linux-arm-kernel@lists.infradead.org MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org This adds a member 'started' as a boolean value to struct pci_epc to set whether the controller is started, and also adds a function to get the value. Signed-off-by: Kunihiko Hayashi --- drivers/pci/endpoint/pci-epc-core.c | 2 ++ include/linux/pci-epc.h | 7 +++++++ 2 files changed, 9 insertions(+) diff --git a/drivers/pci/endpoint/pci-epc-core.c b/drivers/pci/endpoint/pci-epc-core.c index cc8f9eb..2904175 100644 --- a/drivers/pci/endpoint/pci-epc-core.c +++ b/drivers/pci/endpoint/pci-epc-core.c @@ -174,6 +174,7 @@ void pci_epc_stop(struct pci_epc *epc) mutex_lock(&epc->lock); epc->ops->stop(epc); + epc->started = false; mutex_unlock(&epc->lock); } EXPORT_SYMBOL_GPL(pci_epc_stop); @@ -196,6 +197,7 @@ int pci_epc_start(struct pci_epc *epc) mutex_lock(&epc->lock); ret = epc->ops->start(epc); + epc->started = true; mutex_unlock(&epc->lock); return ret; diff --git a/include/linux/pci-epc.h b/include/linux/pci-epc.h index b82c9b1..5808952 100644 --- a/include/linux/pci-epc.h +++ b/include/linux/pci-epc.h @@ -131,6 +131,7 @@ struct pci_epc_mem { * @lock: mutex to protect pci_epc ops * @function_num_map: bitmap to manage physical function number * @notifier: used to notify EPF of any EPC events (like linkup) + * @started: true if this EPC is started */ struct pci_epc { struct device dev; @@ -145,6 +146,7 @@ struct pci_epc { struct mutex lock; unsigned long function_num_map; struct atomic_notifier_head notifier; + bool started; }; /** @@ -191,6 +193,11 @@ pci_epc_register_notifier(struct pci_epc *epc, struct notifier_block *nb) return atomic_notifier_chain_register(&epc->notifier, nb); } +static inline bool pci_epc_is_started(struct pci_epc *epc) +{ + return epc->started; +} + struct pci_epc * __devm_pci_epc_create(struct device *dev, const struct pci_epc_ops *ops, struct module *owner); -- 2.7.4 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel