From patchwork Tue Nov 24 12:45:21 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tomi Valkeinen X-Patchwork-Id: 11928527 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 D84D5C63798 for ; Tue, 24 Nov 2020 12:48:32 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8A1DC2076E for ; Tue, 24 Nov 2020 12:48:32 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=ti.com header.i=@ti.com header.b="CeSQQY6N" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387701AbgKXMsc (ORCPT ); Tue, 24 Nov 2020 07:48:32 -0500 Received: from fllv0016.ext.ti.com ([198.47.19.142]:40104 "EHLO fllv0016.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732709AbgKXMsb (ORCPT ); Tue, 24 Nov 2020 07:48:31 -0500 Received: from fllv0035.itg.ti.com ([10.64.41.0]) by fllv0016.ext.ti.com (8.15.2/8.15.2) with ESMTP id 0AOCmP3v033187; Tue, 24 Nov 2020 06:48:25 -0600 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1606222105; bh=OzS9hctnVOx46cFklaoF1BsEwxZJ2uBRcjNr+C/Q+to=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=CeSQQY6NAK/IScP3LFZwlpwXNf451HcS9QrN1Yxj7/tW0zCBQmCUHoS3cNv1Qmz+f 0KZWnKi5yVwKE5m4x2UIRO+LWQKFQ4NhfNss6yiDSALD1LmCZd+7FWArzKAffrylYP abRRL8II4OuH6Px9W2QYAaJCkEOkrtFRJ5zN37o0= Received: from DFLE115.ent.ti.com (dfle115.ent.ti.com [10.64.6.36]) by fllv0035.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 0AOCmPh3045588 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Tue, 24 Nov 2020 06:48:25 -0600 Received: from DFLE101.ent.ti.com (10.64.6.22) by DFLE115.ent.ti.com (10.64.6.36) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1979.3; Tue, 24 Nov 2020 06:48:25 -0600 Received: from fllv0039.itg.ti.com (10.64.41.19) by DFLE101.ent.ti.com (10.64.6.22) 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, 24 Nov 2020 06:48:24 -0600 Received: from deskari.lan (ileax41-snat.itg.ti.com [10.172.224.153]) by fllv0039.itg.ti.com (8.15.2/8.15.2) with ESMTP id 0AOCjmpq040922; Tue, 24 Nov 2020 06:48:23 -0600 From: Tomi Valkeinen To: Sebastian Reichel , Laurent Pinchart , Nikhil Devshatwar , , CC: Sekhar Nori , Tony Lindgren , , Tomi Valkeinen Subject: [PATCH v4 63/80] drm/omap: dsi: drop useless channel checks Date: Tue, 24 Nov 2020 14:45:21 +0200 Message-ID: <20201124124538.660710-64-tomi.valkeinen@ti.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20201124124538.660710-1-tomi.valkeinen@ti.com> References: <20201124124538.660710-1-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 --- 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 63338324c564..fbf05097612f 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) { @@ -5063,12 +5060,8 @@ 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; @@ -5118,10 +5111,6 @@ 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;