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=-7.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=no 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 6FEBEC433DF for ; Wed, 5 Aug 2020 19:48:49 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4B5512250E for ; Wed, 5 Aug 2020 19:48:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1596656929; bh=B90v1e6ZZyfhc6xnwUhJIYkBjrZ5okO/hOKVJ2QwbsE=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=JUPhBfc4pAQcdPQ/jHTaHv8jKF/d/beLm35HPTSTi4ooZyImsu3bxix2oBLMV5AYi p0FSSSpQMw5hZOil8TGj+U1h0cXNrNUV5/OOG3OSKSxOQ6qSFIVp7Y1b0ctsa272Iq i2etuFDopoqj7+xZWAfr0GA3riVQ4/NXrsmSJXVw= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728127AbgHETsa (ORCPT ); Wed, 5 Aug 2020 15:48:30 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48060 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728235AbgHEQ4b (ORCPT ); Wed, 5 Aug 2020 12:56:31 -0400 Received: from mail-wm1-x342.google.com (mail-wm1-x342.google.com [IPv6:2a00:1450:4864:20::342]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A156DC0D941A; Wed, 5 Aug 2020 08:14:37 -0700 (PDT) Received: by mail-wm1-x342.google.com with SMTP id c80so6159905wme.0; Wed, 05 Aug 2020 08:14:37 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=8NY4cETpE+tZbeXOcxF5VTOrE6Vn7Glw4DngqEOoM7o=; b=HGDeRUfxjgg9Lw1XSHWsEWR9SNv6Fdj0BbpUOXoMCji9wc1Kqx3YKXxYA9nsn5j1dT mpaGd6bveSvrq/8YEqoYyzaKlB9YWdtdqOwIJrGbD9eBN1X+p37XxpGbjlf56D+g4XMZ 6NHL4VKXTcJ5J13Z6MV/9fM+pkHJX13BFzAKeZKi9qKS1j6kL58j1I+42K39VcyquV9B MYYol3bldM0F+kpurwZS45s2T9pzwyoXsNn51kkx1SxXokvhfbT2ZcbuDFy+DMGJjNX8 ECq32rr1bLOtlxYgfNQlsL8OO8BKm68C6BP9gfOHT0tLfqXDQEkdtS0peE6+mT5x26cX Iinw== X-Gm-Message-State: AOAM532gAB/1b5Bti1PYfX1riNtIvQGj/u04CDkdAvjs4qQzBV8+J0xH chK+jpOsx4+RpztYIcrNQ5PXurystdo= X-Google-Smtp-Source: ABdhPJzOCKjcIrNX/wbT4dyw20wnSgtHhzNB/LC28frRr/pwBiTKtN/9dYEeDRtDsjtj55+uHTjYnw== X-Received: by 2002:a1c:7405:: with SMTP id p5mr2690613wmc.130.1596625023972; Wed, 05 Aug 2020 03:57:03 -0700 (PDT) Received: from pi3 ([194.230.155.117]) by smtp.googlemail.com with ESMTPSA id q5sm2207888wrp.60.2020.08.05.03.57.01 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 05 Aug 2020 03:57:02 -0700 (PDT) Date: Wed, 5 Aug 2020 12:57:00 +0200 From: Krzysztof Kozlowski To: Marek Szyprowski Cc: linux-clk@vger.kernel.org, linux-pm@vger.kernel.org, linux-samsung-soc@vger.kernel.org, Sylwester Nawrocki , Chanwoo Choi , Bartlomiej Zolnierkiewicz , Lukasz Luba , Stephen Boyd Subject: Re: [PATCH] clk: samsung: Mark top BPLL mux on Exynos542x as critical Message-ID: <20200805105700.GA6100@pi3> References: <20200805091601.11983-1-m.szyprowski@samsung.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20200805091601.11983-1-m.szyprowski@samsung.com> Sender: linux-pm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org On Wed, Aug 05, 2020 at 11:16:01AM +0200, Marek Szyprowski wrote: > BPLL clock must not be disabled because it is needed for proper DRAM > operation. This is normally handled by respective memory devfreq driver, > but when that driver is not yet probed or its probe has been deferred the > clock might got disabled what causes board hang. Fix this by marking it > as critical. > > Signed-off-by: Marek Szyprowski > --- > drivers/clk/samsung/clk-exynos5420.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) Acked-by: Krzysztof Kozlowski Best regards, Krzysztof