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 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id AB10FC433EF for ; Wed, 27 Oct 2021 19:26:44 +0000 (UTC) Received: from lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 201D5601FC for ; Wed, 27 Oct 2021 19:26:44 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 201D5601FC Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=lists.ozlabs.org Received: from boromir.ozlabs.org (localhost [IPv6:::1]) by lists.ozlabs.org (Postfix) with ESMTP id 4Hfdwf57TLz3bjP for ; Thu, 28 Oct 2021 06:26:42 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; secure) header.d=infradead.org header.i=@infradead.org header.a=rsa-sha256 header.s=bombadil.20210309 header.b=PxUBtFES; dkim-atps=neutral Authentication-Results: lists.ozlabs.org; spf=none (no SPF record) smtp.mailfrom=infradead.org (client-ip=2607:7c80:54:e::133; helo=bombadil.infradead.org; envelope-from=rdunlap@infradead.org; receiver=) Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; secure) header.d=infradead.org header.i=@infradead.org header.a=rsa-sha256 header.s=bombadil.20210309 header.b=PxUBtFES; dkim-atps=neutral Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:e::133]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4Hfdvq5H2kz2xDv for ; Thu, 28 Oct 2021 06:25:54 +1100 (AEDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; h=Content-Transfer-Encoding: Content-Type:In-Reply-To:MIME-Version:Date:Message-ID:From:References:Cc:To: Subject:Sender:Reply-To:Content-ID:Content-Description; bh=g0dH9lUH9vPuYQ5RBQpLLtCKZuNR2X5ACKtS00x71Kw=; b=PxUBtFESwlvjxxr6Dimbwj55Tl eW5mYYUtBZSQwqGOGj647EFkxq6N6Znmn7EJYhiMZd2ZgrOngPZJkot34TISXBQbg4OK0I5sf66VN LABs5hSzkQddb7+0GC1ZYeytLjXzCf45XXjkePzy0HEeO8ce0X3yZob7Z8uKfSGoowKKTMLhiFAQJ gwNmPL9VIJIOZ2sNP06QvlTJywZOd+CUGxgEB6o8CAe9aSQlHwo57Vba6AMhUCJk9v7cjlT8x545C 7BuNJyH/0fCMqkEk+fkIrymdMpf6ZOPiGZ8P7Nd+iLGltiWJ9hyV0CcOBSnHowTDGLUliTjlpqQDA y0jXwaoA==; Received: from [2601:1c0:6280:3f0::aa0b] by bombadil.infradead.org with esmtpsa (Exim 4.94.2 #2 (Red Hat Linux)) id 1mfoYX-005url-4B; Wed, 27 Oct 2021 19:25:49 +0000 Subject: Re: [PATCH 2/3] fbdev: rework backlight dependencies To: Arnd Bergmann , dri-devel@lists.freedesktop.org References: <20211027132732.3993279-1-arnd@kernel.org> <20211027132732.3993279-2-arnd@kernel.org> From: Randy Dunlap Message-ID: Date: Wed, 27 Oct 2021 12:25:47 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.13.0 MIME-Version: 1.0 In-Reply-To: <20211027132732.3993279-2-arnd@kernel.org> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-fbdev@vger.kernel.org, Arnd Bergmann , Jens Frederich , intel-gfx@lists.freedesktop.org, linux-staging@lists.linux.dev, Lars Poeschel , linux-kernel@vger.kernel.org, Jani Nikula , Daniel Vetter , Andy Shevchenko , Geert Uytterhoeven , Thomas Zimmermann , Greg Kroah-Hartman , Miguel Ojeda , Robin van der Gracht , linuxppc-dev@lists.ozlabs.org, Jon Nettleton Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" On 10/27/21 6:27 AM, Arnd Bergmann wrote: > From: Arnd Bergmann > > Rather than having CONFIG_FB_BACKLIGHT select CONFIG_BACKLIGHT_CLASS_DEVICE, > make any driver that needs it have a dependency on the class device > being available, to prevent circular dependencies. > > This is the same way that the backlight is already treated for the DRM > subsystem. > > Signed-off-by: Arnd Bergmann > --- > drivers/auxdisplay/Kconfig | 1 + > drivers/macintosh/Kconfig | 1 + > drivers/staging/fbtft/Kconfig | 1 + > drivers/staging/olpc_dcon/Kconfig | 2 +- > drivers/video/fbdev/Kconfig | 14 +++++++++++--- > 5 files changed, 15 insertions(+), 4 deletions(-) Acked-by: Randy Dunlap Thanks. -- ~Randy