From patchwork Wed Sep 28 09:30:40 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chunfeng Yun X-Patchwork-Id: 12991984 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id BA268C04A95 for ; Wed, 28 Sep 2022 09:31:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-ID:Date:Subject:CC :To:From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=Cy0VKo6bgbjoX2juurpcezVss3IfPkl8tUyMRh5zrus=; b=lLoLd/rLkhHmvc 3ovvvu6D81BlKuHOHjfIT2vO1hvcm7pemWn4OLQi15rEbeh0ujIULJihbPO+41mRP8mvofqGB6k7A kBTJglyrKDHSIMZcEmTnsoWCtcomtzMIiHMxDmr8sMxB7XMUTpQALnEC+ZcvmuvcmDZBoXeIiHT82 Yit5FYkEiPP8A+aP7aysMONQZ8/7ZsnZ2r9sg8L60litDCVaMWM1hwCRygjT385NY3IZysrBuiHuL nAjucOa7SLbKLxaDBCzvbdlPENzn+apSzR6CnjCYGbFdBPoCrg32fvdfBRDl3uHLGHTnCQ0kPNU23 8HI2Sn5l41yUCprtYhAA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1odTPz-00FDZq-5C; Wed, 28 Sep 2022 09:31:51 +0000 Received: from mailgw02.mediatek.com ([216.200.240.185]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1odTPo-00FDTH-0E; Wed, 28 Sep 2022 09:31:41 +0000 X-UUID: 61fd55ac0221413887525191e6437dc1-20220928 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Type:Content-Transfer-Encoding:MIME-Version:Message-ID:Date:Subject:CC:To:From; bh=O8vIH2kadEUhPoMTZPZlhscWXQP7AB6L9rS3xyjI5Dk=; b=qFl85M8eoOA9c9SPBIpIJf91m5m32kP8RTipfQXjAYlZ9dqOyS7mt9N2ZjEAfpNv/rrDWlMTlTo1bFgL+ToarKnT8DiwZC5rNkrSYNAnmgdnQvDRvJcR8x7IJa6B/zI5XMJJvTeqngfCedJF/25vo+3hHxSso95JNCYc/xI8cCE=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.11,REQID:0abcd77a-31f4-4567-af2c-cf3e911e69cb,IP:0,U RL:0,TC:0,Content:0,EDM:0,RT:0,SF:0,FILE:0,BULK:0,RULE:Release_Ham,ACTION: release,TS:0 X-CID-META: VersionHash:39a5ff1,CLOUDID:e2dc82e4-87f9-4bb0-97b6-34957dc0fbbe,B ulkID:nil,BulkQuantity:0,Recheck:0,SF:102,TC:nil,Content:0,EDM:-3,IP:nil,U RL:11|1,File:nil,Bulk:nil,QS:nil,BEC:nil,COL:0 X-UUID: 61fd55ac0221413887525191e6437dc1-20220928 Received: from mtkmbs11n2.mediatek.inc [(172.21.101.187)] by mailgw02.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 109418592; Wed, 28 Sep 2022 02:31:29 -0700 Received: from mtkcas11.mediatek.inc (172.21.101.40) by mtkmbs10n1.mediatek.inc (172.21.101.34) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id 15.2.792.15; Wed, 28 Sep 2022 17:30:53 +0800 Received: from localhost.localdomain (10.17.3.154) by mtkcas11.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Wed, 28 Sep 2022 17:30:52 +0800 From: Chunfeng Yun To: Vinod Koul CC: Chunfeng Yun , Kishon Vijay Abraham I , Matthias Brugger , , , , , Eddie Hung , Tianping Fang Subject: [PATCH 1/2] phy: core: add debugfs root Date: Wed, 28 Sep 2022 17:30:40 +0800 Message-ID: <20220928093041.31481-1-chunfeng.yun@mediatek.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220928_023140_100549_D47EE61E X-CRM114-Status: GOOD ( 10.56 ) X-BeenThere: linux-phy@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux Phy Mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-phy" Errors-To: linux-phy-bounces+linux-phy=archiver.kernel.org@lists.infradead.org Add a debugfs root for phy class, then phy drivers can add debugfs files under this folder. Signed-off-by: Chunfeng Yun --- drivers/phy/phy-core.c | 6 ++++++ include/linux/phy/phy.h | 2 ++ 2 files changed, 8 insertions(+) diff --git a/drivers/phy/phy-core.c b/drivers/phy/phy-core.c index d93ddf1262c5..2f9f69190519 100644 --- a/drivers/phy/phy-core.c +++ b/drivers/phy/phy-core.c @@ -11,6 +11,7 @@ #include #include #include +#include #include #include #include @@ -1204,6 +1205,9 @@ void devm_of_phy_provider_unregister(struct device *dev, } EXPORT_SYMBOL_GPL(devm_of_phy_provider_unregister); +struct dentry *phy_debug_root; +EXPORT_SYMBOL_GPL(phy_debug_root); + /** * phy_release() - release the phy * @dev: the dev member within phy @@ -1233,6 +1237,8 @@ static int __init phy_core_init(void) phy_class->dev_release = phy_release; + phy_debug_root = debugfs_create_dir("phy", NULL); + return 0; } device_initcall(phy_core_init); diff --git a/include/linux/phy/phy.h b/include/linux/phy/phy.h index b1413757fcc3..c398749d49b9 100644 --- a/include/linux/phy/phy.h +++ b/include/linux/phy/phy.h @@ -205,6 +205,8 @@ struct phy_lookup { #define devm_of_phy_provider_register_full(dev, children, xlate) \ __devm_of_phy_provider_register(dev, children, THIS_MODULE, xlate) +extern struct dentry *phy_debug_root; + static inline void phy_set_drvdata(struct phy *phy, void *data) { dev_set_drvdata(&phy->dev, data);