From patchwork Tue Dec 8 12:28:34 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tomi Valkeinen X-Patchwork-Id: 11958473 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=-18.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT 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 0C400C4361B for ; Tue, 8 Dec 2020 12:31:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D6E1123ABA for ; Tue, 8 Dec 2020 12:31:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727452AbgLHMbt (ORCPT ); Tue, 8 Dec 2020 07:31:49 -0500 Received: from fllv0016.ext.ti.com ([198.47.19.142]:33536 "EHLO fllv0016.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727798AbgLHMbt (ORCPT ); Tue, 8 Dec 2020 07:31:49 -0500 Received: from fllv0034.itg.ti.com ([10.64.40.246]) by fllv0016.ext.ti.com (8.15.2/8.15.2) with ESMTP id 0B8CU2uF064098; Tue, 8 Dec 2020 06:30:02 -0600 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1607430602; bh=wdap3DjOYmxXlAFEu1U0+KG+ezB+xoP2+U85DXN3G/Y=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=v5/QsdC18suXRt6+2v9Q13abdLEhX+zg/udCx/oTG+uxu5v+0/SAgdbbTMblkocfg kX1ayjfOr4SgXy6TqegRAWQfeEwNZcamv7zokU4ekQEy8jV6MdD2HetjczzLsnZLGP tjUVE3Oua9UOA5qOo6lpxG6yA/Ca2/++aSz/UPCg= Received: from DLEE112.ent.ti.com (dlee112.ent.ti.com [157.170.170.23]) by fllv0034.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 0B8CU1bS086526 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Tue, 8 Dec 2020 06:30:02 -0600 Received: from DLEE104.ent.ti.com (157.170.170.34) by DLEE112.ent.ti.com (157.170.170.23) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1979.3; Tue, 8 Dec 2020 06:30:01 -0600 Received: from fllv0040.itg.ti.com (10.64.41.20) by DLEE104.ent.ti.com (157.170.170.34) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1979.3 via Frontend Transport; Tue, 8 Dec 2020 06:30:01 -0600 Received: from deskari.ti.com (ileax41-snat.itg.ti.com [10.172.224.153]) by fllv0040.itg.ti.com (8.15.2/8.15.2) with ESMTP id 0B8CTcjM095068; Tue, 8 Dec 2020 06:29:59 -0600 From: Tomi Valkeinen To: Sebastian Reichel , Laurent Pinchart , Nikhil Devshatwar , CC: , Sekhar Nori , Tony Lindgren , , Sam Ravnborg , Tomi Valkeinen Subject: [PATCH v5 08/29] drm/omap: dsi: drop useless channel checks Date: Tue, 8 Dec 2020 14:28:34 +0200 Message-ID: <20201208122855.254819-9-tomi.valkeinen@ti.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20201208122855.254819-1-tomi.valkeinen@ti.com> References: <20201208122855.254819-1-tomi.valkeinen@ti.com> MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org A DSI peripheral can have virtual channel ID of 0-3. This should be always the case, and there's no need in the driver to validate the channel. Signed-off-by: Tomi Valkeinen Reviewed-by: Laurent Pinchart Reviewed-by: Sebastian Reichel --- drivers/gpu/drm/omapdrm/dss/dsi.c | 11 ----------- 1 file changed, 11 deletions(-) diff --git a/drivers/gpu/drm/omapdrm/dss/dsi.c b/drivers/gpu/drm/omapdrm/dss/dsi.c index 5e13478010db..c78ae99c8742 100644 --- a/drivers/gpu/drm/omapdrm/dss/dsi.c +++ b/drivers/gpu/drm/omapdrm/dss/dsi.c @@ -3902,9 +3902,6 @@ static int dsi_update_channel(struct omap_dss_device *dssdev, int channel) struct dsi_data *dsi = to_dsi_data(dssdev); int r; - if (channel > 3) - return -EINVAL; - dsi_bus_lock(dsi); if (!dsi->video_enabled) { @@ -5068,12 +5065,8 @@ static int omap_dsi_host_attach(struct mipi_dsi_host *host, struct mipi_dsi_device *client) { struct dsi_data *dsi = host_to_omap(host); - unsigned int channel = client->channel; int r; - if (channel > 3) - return -EINVAL; - if (dsi->dsidev) { DSSERR("dsi client already attached\n"); return -EBUSY; @@ -5123,10 +5116,6 @@ static int omap_dsi_host_detach(struct mipi_dsi_host *host, struct mipi_dsi_device *client) { struct dsi_data *dsi = host_to_omap(host); - unsigned int channel = client->channel; - - if (channel > 3) - return -EINVAL; if (WARN_ON(dsi->dsidev != client)) return -EINVAL;