From patchwork Mon May 20 08:03:57 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chen-Yu Tsai X-Patchwork-Id: 10950229 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id AF40976 for ; Mon, 20 May 2019 08:06:20 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id A174928628 for ; Mon, 20 May 2019 08:06:20 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 9FB822872A; Mon, 20 May 2019 08:06:20 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 3514328628 for ; Mon, 20 May 2019 08:06:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.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=lPeQAfyo9yMSaPJTUNEzCY9M29wmh6FyAOtDylPZvhY=; b=c3zG/gCbbiWNeH +Eqo238UJdwskMoFqC9ayNTlbuuzT9lfNMFLGhwnXQ0cmFxMxT1ZlHHlSsqLhNzu0GLApECfYuLlx G3jE0N8tvZcx1thP2nv0SG+5/mmSaMXx1KrI7h9dz8jvwob6YZXTrPeeV1IhSMcQMybEQ2o4/06wt S4APyyWl7QoSTL4w44Bh8SCmvfLr/Zccye1vR6ngSdNsk0vIK0mWWx+62X2ZMYXKpuwT1TqRT1Pek /FHUQoh0lXGYP2HbTCzV6mTHy5qpowaAnS67tMrJsm/gW7KhCSkmJ96ntaR9Mkht7P1TaNyCGrNLc km6KA1SBDHtdViDvYvug==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1hSdJE-0001yL-6b; Mon, 20 May 2019 08:06:12 +0000 Received: from mail.kernel.org ([198.145.29.99]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1hSdId-0001GN-Mc for linux-arm-kernel@lists.infradead.org; Mon, 20 May 2019 08:05:38 +0000 Received: from wens.tw (mirror2.csie.ntu.edu.tw [140.112.30.76]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id CABDC20863; Mon, 20 May 2019 08:05:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1558339535; bh=Wtf8ydMMfyfJ3sAFi/Hglgs7fc07JVIK7VJrnPdLjpg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ohkKS1kFeDs6AhPfm0BNhc9ncVna0zNXm3TuOb/f415FmPUmgzkuJN3D3fmyfO4dV msBkbh4oDb4g9ejSUgHSxDiE+kQVFKeqFbUvskJZHcZf0cOKdrOurBr3vDRgp8WwiP 6wGIau8oUMVS68VhR3fzBU00in/UlHRKWLPp+4rs= Received: by wens.tw (Postfix, from userid 1000) id 2AD595FABC; Mon, 20 May 2019 16:05:32 +0800 (CST) From: Chen-Yu Tsai To: Maxime Ripard , Stephen Boyd , Michael Turquette Subject: [PATCH 01/25] clk: Fix debugfs clk_possible_parents for clks without parent string names Date: Mon, 20 May 2019 16:03:57 +0800 Message-Id: <20190520080421.12575-2-wens@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190520080421.12575-1-wens@kernel.org> References: <20190520080421.12575-1-wens@kernel.org> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190520_010535_771771_D196438A X-CRM114-Status: GOOD ( 12.47 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Chen-Yu Tsai , linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP From: Chen-Yu Tsai Following the commit fc0c209c147f ("clk: Allow parents to be specified without string names"), the parent name string is not always populated. Instead, fetch the parents clk_core struct using the appropriate helper, and read its name directly. Fixes: fc0c209c147f ("clk: Allow parents to be specified without string names") Signed-off-by: Chen-Yu Tsai --- drivers/clk/clk.c | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c index aa51756fd4d6..bdb077ba59b9 100644 --- a/drivers/clk/clk.c +++ b/drivers/clk/clk.c @@ -3000,12 +3000,16 @@ DEFINE_SHOW_ATTRIBUTE(clk_flags); static int possible_parents_show(struct seq_file *s, void *data) { struct clk_core *core = s->private; + struct clk_core *parent; int i; - for (i = 0; i < core->num_parents - 1; i++) - seq_printf(s, "%s ", core->parents[i].name); + for (i = 0; i < core->num_parents - 1; i++) { + parent = clk_core_get_parent_by_index(core, i); + seq_printf(s, "%s ", parent ? parent->name : NULL); + } - seq_printf(s, "%s\n", core->parents[i].name); + parent = clk_core_get_parent_by_index(core, i); + seq_printf(s, "%s", parent ? parent->name : NULL); return 0; }