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=-4.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS 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 4188FC388F2 for ; Tue, 3 Nov 2020 06:00:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 044D6222EC for ; Tue, 3 Nov 2020 06:00:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1604383205; bh=0psGTZJPBlL+v4LFDl6ebb19ZjeZMkNRScIndKpNHls=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=NhuCS0Ilp63fJu8sPEHlNgFdzp1vNvFVQjNOPEdCr3tSMtGjOMRg6xMc6fCL2P6a+ FUkJ+haaNa8MDCxRz29Rhdp05z796uN2NAr3w0zTEeQf+50dHkPO6+bo9pu7g5IIJK CDtiyUGTPSee7pFr6ZXdUbd3PDBGxrB/CaffESt0= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725982AbgKCGAE (ORCPT ); Tue, 3 Nov 2020 01:00:04 -0500 Received: from mail.kernel.org ([198.145.29.99]:59576 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725953AbgKCGAE (ORCPT ); Tue, 3 Nov 2020 01:00:04 -0500 Received: from localhost (unknown [122.179.37.237]) (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 177E222277; Tue, 3 Nov 2020 06:00:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1604383204; bh=0psGTZJPBlL+v4LFDl6ebb19ZjeZMkNRScIndKpNHls=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=09am7ycjyw0yM+cSwhwsVkiqxp6hpGnXUbdYF62FAulHBTQoIN/h0awU/eC2rC6mK zruyQeaGe433WNtpNZtQ8yIz0VcW5NqUAqKo2AmLoBTESnZ72pY2An6Wx1VP1lHrWI +ZYPtweBUh5/p3y+YVEfAW80Fm/P8Dlbu2BQg0eY= Date: Tue, 3 Nov 2020 11:29:59 +0530 From: Vinod Koul To: Bjorn Andersson Cc: john.stultz@linaro.org, Catalin Marinas , Will Deacon , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org Subject: Re: [PATCH] arm64: defconfig: Enable Qualcomm Command DB driver Message-ID: <20201103055959.GC2621@vkoul-mobl> References: <20201103010850.757500-1-bjorn.andersson@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20201103010850.757500-1-bjorn.andersson@linaro.org> Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org On 02-11-20, 17:08, Bjorn Andersson wrote: > The Qualcomm Command DB driver seems to have been indirectly enabled by > the Qualcomm DRM driver and up until the introduction of '778279f4f5e4 > ("soc: qcom: cmd-db: allow loading as a module")' this resulted in the > driver "always" being builtin on arm64. But with the introduction of > said change it, and all other RPMH related drivers, becomes =m. > > The immediate result is that the uart driver fails to probe, which > depending on userspace's dependency on the presence of /dev/console > might be fatal. For systems getting past this the default timeout of 0 > seconds for probe deferral of many subsystems causes the system to be > completely useless. > > So, make Command DB builtin. Reviewed-by: Vinod Koul -- ~Vinod