From patchwork Thu Oct 6 14:43:30 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chunfeng Yun X-Patchwork-Id: 13000475 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 A5E6FC433FE for ; Thu, 6 Oct 2022 15:15:43 +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=GULVbk610tYJt3oDxt68Ft21nhsDG8GhEpoW5N/jdPo=; b=ETq14tY5tC1nJV tAIN2CSWKzlPEgPnN/7bH3rqbTwyJJf48bLwdHgn7Dzkeuk0tKMJDIAxGe8RurTg/TZHrFB1HzEaP mQgfX2BlAXsvczxvy0M9x2sWgdqGSDg0+b/kKoP5bvVi5lQt6vrsaGCLOiXP5RFecLW6ZoHcQOjuP E1WPneA6EYFXBl8lRVS+ytvh0pJ8VeWhVWEuDeQ/8ToUxJZQPFRJ1R5Mq/T+4u6HVLcroRgtQNRbb 3UDA9M4XihknvQ1oY6ti+FrdNms4V5ubAQZzN6CtFNpWZxa8SqehyQ+5Z+FG7HcxuWllMvPlZo/uy qgnoKmh3Pw8hky+h66mw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1ogSZA-003GS4-I6; Thu, 06 Oct 2022 15:13:42 +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 1ogSQK-003D5B-7F; Thu, 06 Oct 2022 15:04:34 +0000 X-UUID: f3b243668758412f9ae2a7ca61bc47d1-20221006 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=XIEKHeBnDpf8qnQLc78wkKjbYdk1bbgIcbqYREQemf4=; b=K8qrRa403rjLLFBBYGnan4dRdQrEBLigGtSaUz245NgPNoVmojK2ppZ0wu6tmS23jnMBC2LeQ4axuWG+fdnEljlx+qWGmCdjcAQS8sfvVw9AdMYl0/m6Nz6I9CPXXjp7RhdH4zHRCBDuD1aeG72Xf5SX0Q6oDrfgFbi4lcRkvl8=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.11,REQID:73f9e241-4d4f-42a7-b4e3-a1d2e6257dbe,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:2f58bcb8-daef-48a8-8c50-40026d6a74c2,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: f3b243668758412f9ae2a7ca61bc47d1-20221006 Received: from mtkmbs11n1.mediatek.inc [(172.21.101.185)] by mailgw02.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 1908692917; Thu, 06 Oct 2022 08:04:28 -0700 Received: from mtkmbs11n1.mediatek.inc (172.21.101.185) by mtkmbs11n2.mediatek.inc (172.21.101.187) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.792.15; Thu, 6 Oct 2022 22:43:52 +0800 Received: from localhost.localdomain (10.17.3.154) by mtkmbs11n1.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.792.15 via Frontend Transport; Thu, 6 Oct 2022 22:43:52 +0800 From: Chunfeng Yun To: Vinod Koul CC: Chunfeng Yun , Kishon Vijay Abraham I , Matthias Brugger , , , , , Eddie Hung , Tianping Fang , AngeloGioacchino Del Regno Subject: [PATCH v3 1/2] phy: core: add debugfs root Date: Thu, 6 Oct 2022 22:43:30 +0800 Message-ID: <20221006144331.12526-1-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-20221006_080432_481854_BDA8AF9F X-CRM114-Status: UNSURE ( 9.90 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=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 --- v2~v3: no changes --- 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);