From patchwork Fri Aug 23 12:56:15 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Peter Ujfalusi X-Patchwork-Id: 11111633 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 9F9E414DB for ; Fri, 23 Aug 2019 12:56:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 7E80E22CEC for ; Fri, 23 Aug 2019 12:56:40 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=ti.com header.i=@ti.com header.b="byBQEq30" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2394980AbfHWM4M (ORCPT ); Fri, 23 Aug 2019 08:56:12 -0400 Received: from fllv0015.ext.ti.com ([198.47.19.141]:58866 "EHLO fllv0015.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726197AbfHWM4L (ORCPT ); Fri, 23 Aug 2019 08:56:11 -0400 Received: from lelv0266.itg.ti.com ([10.180.67.225]) by fllv0015.ext.ti.com (8.15.2/8.15.2) with ESMTP id x7NCu6uB103832; Fri, 23 Aug 2019 07:56:06 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1566564966; bh=z7aNVn0YYauCti4+ZL7WkTdhJclZFoX05/eUquPIZnU=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=byBQEq30ILKRQAB4n4ESMgjjmPpVKcmVZoaZtDu7Sv1yotDwZAmksKVMSJcEbfaba /PgiYi0KmJ6aQCNtQ9iDq9hA0JgT9fpdLX94yMT/ItaNQbWhZ2AaXe1zgnPrG7R6oD qwvMwBOCSOEYpUQcw+ox0zqUOUfCi1X5+rs27kdA= Received: from DFLE103.ent.ti.com (dfle103.ent.ti.com [10.64.6.24]) by lelv0266.itg.ti.com (8.15.2/8.15.2) with ESMTPS id x7NCu6Em080831 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Fri, 23 Aug 2019 07:56:06 -0500 Received: from DFLE108.ent.ti.com (10.64.6.29) by DFLE103.ent.ti.com (10.64.6.24) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1713.5; Fri, 23 Aug 2019 07:56:05 -0500 Received: from lelv0327.itg.ti.com (10.180.67.183) by DFLE108.ent.ti.com (10.64.6.29) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1713.5 via Frontend Transport; Fri, 23 Aug 2019 07:56:06 -0500 Received: from feketebors.ti.com (ileax41-snat.itg.ti.com [10.172.224.153]) by lelv0327.itg.ti.com (8.15.2/8.15.2) with ESMTP id x7NCtwkg092319; Fri, 23 Aug 2019 07:56:03 -0500 From: Peter Ujfalusi To: , CC: , , , , , Subject: [PATCH 2/5] dmaengine: ti: edma: Only reset region0 access registers Date: Fri, 23 Aug 2019 15:56:15 +0300 Message-ID: <20190823125618.8133-3-peter.ujfalusi@ti.com> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20190823125618.8133-1-peter.ujfalusi@ti.com> References: <20190823125618.8133-1-peter.ujfalusi@ti.com> MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Sender: linux-omap-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org Region0 is used by Linux, do not reset other registers controlling access for other shadow regions. Signed-off-by: Peter Ujfalusi --- drivers/dma/ti/edma.c | 9 ++++----- 1 file changed, 4 insertions(+), 5 deletions(-) diff --git a/drivers/dma/ti/edma.c b/drivers/dma/ti/edma.c index 1aae95cc0d4b..87450431f336 100644 --- a/drivers/dma/ti/edma.c +++ b/drivers/dma/ti/edma.c @@ -2434,11 +2434,10 @@ static int edma_probe(struct platform_device *pdev) edma_assign_priority_to_queue(ecc, queue_priority_mapping[i][0], queue_priority_mapping[i][1]); - for (i = 0; i < ecc->num_region; i++) { - edma_write_array2(ecc, EDMA_DRAE, i, 0, 0x0); - edma_write_array2(ecc, EDMA_DRAE, i, 1, 0x0); - edma_write_array(ecc, EDMA_QRAE, i, 0x0); - } + edma_write_array2(ecc, EDMA_DRAE, 0, 0, 0x0); + edma_write_array2(ecc, EDMA_DRAE, 0, 1, 0x0); + edma_write_array(ecc, EDMA_QRAE, 0, 0x0); + ecc->info = info; /* Init the dma device and channels */