From patchwork Thu Nov 26 07:47:55 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jacopo Mondi X-Patchwork-Id: 333332 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=-11.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=unavailable 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 B89E1C56202 for ; Thu, 26 Nov 2020 07:48:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 590D7206C0 for ; Thu, 26 Nov 2020 07:48:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730581AbgKZHsN (ORCPT ); Thu, 26 Nov 2020 02:48:13 -0500 Received: from relay5-d.mail.gandi.net ([217.70.183.197]:57853 "EHLO relay5-d.mail.gandi.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730206AbgKZHsN (ORCPT ); Thu, 26 Nov 2020 02:48:13 -0500 X-Originating-IP: 80.104.176.17 Received: from uno.homenet.telecomitalia.it (host-80-104-176-17.retail.telecomitalia.it [80.104.176.17]) (Authenticated sender: jacopo@jmondi.org) by relay5-d.mail.gandi.net (Postfix) with ESMTPSA id E22C61C000C; Thu, 26 Nov 2020 07:48:09 +0000 (UTC) From: Jacopo Mondi To: koji.matsuoka.xm@renesas.com, niklas.soderlund+renesas@ragnatech.se, laurent.pinchart@ideasonboard.com Cc: Jacopo Mondi , linux-media@vger.kernel.org, linux-renesas-soc@vger.kernel.org Subject: [PATCH v3 0/2] media: rcar-vin: Mask access to VNCSI_IFMD register Date: Thu, 26 Nov 2020 08:47:55 +0100 Message-Id: <20201126074757.2768-1-jacopo+renesas@jmondi.org> X-Mailer: git-send-email 2.29.1 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org As reported in patch 2/2 commit message the the VNCSI_IFMD register has the following limitations according to chip manual revision 2.20 - V3M, V3H and E3 do not support the DES1 field has they do not feature a CSI20 receiver. - D3 only supports parallel input, and the whole register shall always be written as 0. This patch upports the BSP change commit f54697394457 ("media: rcar-vin: Fix VnCSI_IFMD register access for r8a77990") from Koji Matsuoka Tested on r-car E3 Ebisu. v2 -> v3: - Remove a few comments and add Niklas' tag to [2/2] v1 -> v2: - Inspect the channel routing table to deduce the availability of DES1/DES0 bits as suggested by Niklas. Jacopo Mondi (2): media: rcar-vin: Remove unused macro media: rcar-vin: Mask VNCSI_IFMD register drivers/media/platform/rcar-vin/rcar-dma.c | 26 ++++++++++++++++++---- 1 file changed, 22 insertions(+), 4 deletions(-) --- 2.29.1