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=-8.6 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=unavailable 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 68FF3C19759 for ; Thu, 1 Aug 2019 15:13:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 3EC6D2087E for ; Thu, 1 Aug 2019 15:13:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1564672383; bh=+qInryiGgOwwdDXts3LUUZm4JxUBrVSu3pm5wef0/xo=; h=Subject:To:Cc:References:From:Date:In-Reply-To:List-ID:From; b=JoqSaCODjuWs4b9L6TCTByPbF23kNadDtpZKgMpKmb4f3SyCo0BwEb8MUkKPBe4Cr CPcE3gdO71SvPxixrEV4g32Im+8XQ7Y9tUECDqHg/TdwoBkwqanlNg1FcJ98KfJCuT 7DPnUpis8ZykyFtxvjz5h1wYF6WYuSX+xTKiOw2E= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731722AbfHAPNC (ORCPT ); Thu, 1 Aug 2019 11:13:02 -0400 Received: from mail.kernel.org ([198.145.29.99]:38138 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727853AbfHAPNB (ORCPT ); Thu, 1 Aug 2019 11:13:01 -0400 Received: from [192.168.1.17] (cpe-70-114-128-244.austin.res.rr.com [70.114.128.244]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 0D9392087E; Thu, 1 Aug 2019 15:12:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1564672380; bh=+qInryiGgOwwdDXts3LUUZm4JxUBrVSu3pm5wef0/xo=; h=Subject:To:Cc:References:From:Date:In-Reply-To:From; b=OH7jBzyfh9LN7klBEzscc8TP4HA5bSW2g1cRFXYStDGnEHF9GF6k2fbmlItnOf+v3 NQa9VGurTeq9CsMAl+th/GXfNRLe2lLy8vEzwrt8zvVGcg9BRI1uJz1aAuoyWNrxqI udME+yq7NO51MIzUop1OzUckleWiQFxvQZR/a0fo= Subject: Re: [PATCH 6/9] clk: socfpga: Don't reference clk_init_data after registration To: Stephen Boyd , Michael Turquette Cc: linux-kernel@vger.kernel.org, linux-clk@vger.kernel.org References: <20190731193517.237136-1-sboyd@kernel.org> <20190731193517.237136-7-sboyd@kernel.org> From: Dinh Nguyen Openpgp: preference=signencrypt Autocrypt: addr=dinguyen@kernel.org; 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Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.8.0 MIME-Version: 1.0 In-Reply-To: <20190731193517.237136-7-sboyd@kernel.org> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Stephen, On 7/31/19 2:35 PM, Stephen Boyd wrote: > A future patch is going to change semantics of clk_register() so that > clk_hw::init is guaranteed to be NULL after a clk is registered. Avoid > referencing this member here so that we don't run into NULL pointer > exceptions. > > Cc: Dinh Nguyen > Signed-off-by: Stephen Boyd > --- > > Please ack so I can take this through clk tree > > drivers/clk/socfpga/clk-gate.c | 21 +++++++++++---------- > drivers/clk/socfpga/clk-periph-a10.c | 7 ++++--- > 2 files changed, 15 insertions(+), 13 deletions(-) > > diff --git a/drivers/clk/socfpga/clk-gate.c b/drivers/clk/socfpga/clk-gate.c > index 3966cd43b552..b3c8143909dc 100644 > --- a/drivers/clk/socfpga/clk-gate.c > +++ b/drivers/clk/socfpga/clk-gate.c > @@ -31,20 +31,20 @@ static u8 socfpga_clk_get_parent(struct clk_hw *hwclk) > u32 l4_src; > u32 perpll_src; You need this line here: const char *name = clk_hw_get_name(hwclk); Otherwise, it fails to build. With the above change: Acked-by: Dinh Nguyen Thanks, Dinh