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=-2.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 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 BF3EAC33CA2 for ; Fri, 10 Jan 2020 11:54:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 9BC1E2082E for ; Fri, 10 Jan 2020 11:54:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727967AbgAJLyU (ORCPT ); Fri, 10 Jan 2020 06:54:20 -0500 Received: from foss.arm.com ([217.140.110.172]:43054 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727717AbgAJLyT (ORCPT ); Fri, 10 Jan 2020 06:54:19 -0500 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id EF7481063; Fri, 10 Jan 2020 03:54:18 -0800 (PST) Received: from bogus (e103737-lin.cambridge.arm.com [10.1.197.49]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 360BF3F534; Fri, 10 Jan 2020 03:54:17 -0800 (PST) Date: Fri, 10 Jan 2020 11:54:15 +0000 From: Sudeep Holla To: Jolly Shah Cc: ard.biesheuvel@linaro.org, mingo@kernel.org, gregkh@linuxfoundation.org, matt@codeblueprint.co.uk, hkallweit1@gmail.com, keescook@chromium.org, dmitry.torokhov@gmail.com, michal.simek@xilinx.com, rajanv@xilinx.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Sudeep Holla , Tejas Patel Subject: Re: [PATCH 0/2] arch: arm64: xilinx: Make zynqmp_firmware driver optional Message-ID: <20200110115415.GC39451@bogus> References: <1578596764-29351-1-git-send-email-jolly.shah@xilinx.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1578596764-29351-1-git-send-email-jolly.shah@xilinx.com> User-Agent: Mutt/1.9.4 (2018-02-28) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Jan 09, 2020 at 11:06:02AM -0800, Jolly Shah wrote: > From: Tejas Patel > > Zynqmp firmware driver requires firmware to be present in system. > Zynqmp firmware driver will crash if firmware is not present in system. > For example single arch QEMU, may not have firmware, with such setup > Linux booting fails. > > So make zynqmp_firmware driver as optional to disable it if user don't > have firmware in system. > Why can't it be detected runtime ? How do you handle single binary if you make this compile time option ? -- Regards, Sudeep