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=-8.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham 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 C9C9AC433E0 for ; Wed, 24 Mar 2021 10:13:49 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 91107619BB for ; Wed, 24 Mar 2021 10:13:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231131AbhCXKNQ (ORCPT ); Wed, 24 Mar 2021 06:13:16 -0400 Received: from m43-7.mailgun.net ([69.72.43.7]:36456 "EHLO m43-7.mailgun.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230369AbhCXKNL (ORCPT ); Wed, 24 Mar 2021 06:13:11 -0400 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1616580791; h=Message-ID: References: In-Reply-To: Subject: Cc: To: From: Date: Content-Transfer-Encoding: Content-Type: MIME-Version: Sender; bh=RxPQ2SCXm0Yyf3sq158CfktDz0qwmc95Gr0XfsQbDJg=; b=X1Bg3yK37q/35oA/r1A8mRuKcyHHHRkW89+AaeEyHi5gA00cZQrnAMG+fa5rO7nm1M0mF2Dd FoNaJvKzS+MmPJTdxqJxe7dwJQ/OgFosdIehNv7OdyJkhcl8k9u6fOJXIWIQP5IIAG1hQewX VSBl4td8MFfxTjrv30hmSweOQgE= X-Mailgun-Sending-Ip: 69.72.43.7 X-Mailgun-Sid: WyI1MzIzYiIsICJsaW51eC1hcm0tbXNtQHZnZXIua2VybmVsLm9yZyIsICJiZTllNGEiXQ== Received: from smtp.codeaurora.org (ec2-35-166-182-171.us-west-2.compute.amazonaws.com [35.166.182.171]) by smtp-out-n01.prod.us-west-2.postgun.com with SMTP id 605b10a05d70193f882f9a37 (version=TLS1.2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256); Wed, 24 Mar 2021 10:12:48 GMT Sender: rojay=codeaurora.org@mg.codeaurora.org Received: by smtp.codeaurora.org (Postfix, from userid 1001) id B1997C43465; Wed, 24 Mar 2021 10:12:47 +0000 (UTC) Received: from mail.codeaurora.org (localhost.localdomain [127.0.0.1]) (using TLSv1 with cipher ECDHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) (Authenticated sender: rojay) by smtp.codeaurora.org (Postfix) with ESMTPSA id D2D18C433ED; Wed, 24 Mar 2021 10:12:46 +0000 (UTC) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII; format=flowed Content-Transfer-Encoding: 7bit Date: Wed, 24 Mar 2021 15:42:46 +0530 From: rojay@codeaurora.org To: Greg KH Cc: agross@kernel.org, bjorn.andersson@linaro.org, mka@chromium.org, robh+dt@kernel.org, linux-serial@vger.kernel.org, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Rajendra Nayak , akashast@codeaurora.org, msavaliy@qti.qualcomm.com Subject: Re: [PATCH V3 1/2] soc: qcom-geni-se: Cleanup the code to remove proxy votes In-Reply-To: References: <20210322110429.14950-1-rojay@codeaurora.org> <20210322110429.14950-2-rojay@codeaurora.org> Message-ID: X-Sender: rojay@codeaurora.org User-Agent: Roundcube Webmail/1.3.9 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org On 2021-03-23 15:00, Greg KH wrote: > On Mon, Mar 22, 2021 at 04:34:28PM +0530, Roja Rani Yarubandi wrote: >> This reverts commit 048eb908a1f2 ("soc: qcom-geni-se: Add interconnect >> support to fix earlycon crash") >> >> ICC core and platforms drivers supports sync_state feature with >> commit 7d3b0b0d8184 ("interconnect: qcom: Use icc_sync_state") which >> ensures that the default ICC BW votes from the bootloader is not >> removed until all it's consumers are probes. >> >> The proxy votes were needed in case other QUP child drivers >> I2C, SPI probes before UART, they can turn off the QUP-CORE clock >> which is shared resources for all QUP driver, this causes unclocked >> access to HW from earlycon. >> >> Given above support from ICC there is no longer need to maintain >> proxy votes on QUP-CORE ICC node from QUP wrapper driver for early >> console usecase, the default votes won't be removed until real >> console is probed. >> >> Signed-off-by: Roja Rani Yarubandi >> Signed-off-by: Akash Asthana >> Reviewed-by: Matthias Kaehlcke > > Should this have a "Fixes:" tag, and also be cc: stable@vger.kernel.org > so that it will be properly backported? > > If so, please add and resend. > Okay, will add and resend. > thanks, > > greg k-h