From patchwork Mon Jun 2 13:38:08 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Geert Uytterhoeven X-Patchwork-Id: 4282041 Return-Path: X-Original-To: patchwork-linux-spi@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id EE160BEEA7 for ; Mon, 2 Jun 2014 13:39:08 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 3E076202A1 for ; Mon, 2 Jun 2014 13:39:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 76F89203DC for ; Mon, 2 Jun 2014 13:39:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754796AbaFBNin (ORCPT ); Mon, 2 Jun 2014 09:38:43 -0400 Received: from michel.telenet-ops.be ([195.130.137.88]:33592 "EHLO michel.telenet-ops.be" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754781AbaFBNid (ORCPT ); Mon, 2 Jun 2014 09:38:33 -0400 Received: from ayla.of.borg ([84.193.72.141]) by michel.telenet-ops.be with bizsmtp id 9ReW1o01S32ts5g06ReXem; Mon, 02 Jun 2014 15:38:31 +0200 Received: from geert by ayla.of.borg with local (Exim 4.76) (envelope-from ) id 1WrSRa-0007ih-RW; Mon, 02 Jun 2014 15:38:30 +0200 From: Geert Uytterhoeven To: Mark Brown Cc: Yoshihiro Shimoda , Magnus Damm , linux-spi@vger.kernel.org, linux-sh@vger.kernel.org, Geert Uytterhoeven Subject: [PATCH 06/18] spi: rspi: Don't consider DMA configuration failures fatal Date: Mon, 2 Jun 2014 15:38:08 +0200 Message-Id: <1401716301-29612-7-git-send-email-geert+renesas@glider.be> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1401716301-29612-1-git-send-email-geert+renesas@glider.be> References: <1401716301-29612-1-git-send-email-geert+renesas@glider.be> Sender: linux-spi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-spi@vger.kernel.org X-Spam-Status: No, score=-7.5 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Fall back to PIO if DMA configuration failed. Signed-off-by: Geert Uytterhoeven --- drivers/spi/spi-rspi.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/spi/spi-rspi.c b/drivers/spi/spi-rspi.c index fdbd46d0c570..94a99ec7d989 100644 --- a/drivers/spi/spi-rspi.c +++ b/drivers/spi/spi-rspi.c @@ -1190,10 +1190,8 @@ static int rspi_probe(struct platform_device *pdev) } ret = rspi_request_dma(rspi, pdev); - if (ret < 0) { - dev_err(&pdev->dev, "rspi_request_dma failed.\n"); - goto error3; - } + if (ret < 0) + dev_warn(&pdev->dev, "DMA not available, using PIO\n"); ret = devm_spi_register_master(&pdev->dev, master); if (ret < 0) {