From patchwork Tue Jan 5 15:28:29 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Laurent Pinchart X-Patchwork-Id: 11999437 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,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,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 15AF4C433E0 for ; Tue, 5 Jan 2021 15:37:47 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D3CCB22AAD for ; Tue, 5 Jan 2021 15:37:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728158AbhAEPhq (ORCPT ); Tue, 5 Jan 2021 10:37:46 -0500 Received: from perceval.ideasonboard.com ([213.167.242.64]:38168 "EHLO perceval.ideasonboard.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726571AbhAEPhp (ORCPT ); Tue, 5 Jan 2021 10:37:45 -0500 Received: from pendragon.lan (62-78-145-57.bb.dnainternet.fi [62.78.145.57]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id 0A0491BD8; Tue, 5 Jan 2021 16:30:11 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1609860612; bh=OChvj+s4FZH7XqkncWPhSaSDI3bv858iJVMYNm3NmbY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ptkCrBV7NCA69ug2RP/Ba+nW2giUhVzaEx+uJXoEliaJE891bSRUFQcrh/rHwk6oR ocM08oX/RMC71M+OmNIcfUso5VpzruB7e0X5SbydJNLcaAlELkrbpTxdgKWv2DASay BouVBXFbE4xsTdqAmCzPOuab5yf38KPDmjm1pUPU= From: Laurent Pinchart To: linux-media@vger.kernel.org Cc: Rui Miguel Silva , Steve Longerbeam , Philipp Zabel , Ezequiel Garcia Subject: [PATCH 52/75] media: imx: imx7-media-csi: Remove double reflash of DMA controller Date: Tue, 5 Jan 2021 17:28:29 +0200 Message-Id: <20210105152852.5733-53-laurent.pinchart@ideasonboard.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20210105152852.5733-1-laurent.pinchart@ideasonboard.com> References: <20210105152852.5733-1-laurent.pinchart@ideasonboard.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org The DMA controller needs to be reflashed after being configured. There is however no need to do it twice, once in imx7_csi_configure() and once in imx7_csi_sw_reset(), called from imx7_csi_enable(). Remove the former. Signed-off-by: Laurent Pinchart --- drivers/staging/media/imx/imx7-media-csi.c | 3 --- 1 file changed, 3 deletions(-) diff --git a/drivers/staging/media/imx/imx7-media-csi.c b/drivers/staging/media/imx/imx7-media-csi.c index d826ac45f52d..7aec88b27915 100644 --- a/drivers/staging/media/imx/imx7-media-csi.c +++ b/drivers/staging/media/imx/imx7-media-csi.c @@ -530,9 +530,6 @@ static void imx7_csi_configure(struct imx7_csi *csi) BIT_IMAGE_HEIGHT(out_pix->height), CSI_CSIIMAG_PARA); imx7_csi_reg_write(csi, stride, CSI_CSIFBUF_PARA); - - /* reflash the embedded DMA controller */ - imx7_csi_dma_reflash(csi); } static int imx7_csi_init(struct imx7_csi *csi)