From patchwork Wed Jun 28 04:38:42 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jeffy Chen X-Patchwork-Id: 9813437 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 4DE8C603D7 for ; Wed, 28 Jun 2017 04:39:06 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 3DC8E2853C for ; Wed, 28 Jun 2017 04:39:06 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 3C4B428464; Wed, 28 Jun 2017 04:39:06 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id E930D285ED for ; Wed, 28 Jun 2017 04:39:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751701AbdF1EjA (ORCPT ); Wed, 28 Jun 2017 00:39:00 -0400 Received: from regular1.263xmail.com ([211.150.99.139]:41889 "EHLO regular1.263xmail.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751637AbdF1Ei6 (ORCPT ); Wed, 28 Jun 2017 00:38:58 -0400 Received: from jeffy.chen?rock-chips.com (unknown [192.168.167.179]) by regular1.263xmail.com (Postfix) with ESMTP id 2A09A5461; Wed, 28 Jun 2017 12:38:46 +0800 (CST) X-263anti-spam: X-MAIL-GRAY: 0 X-MAIL-DELIVERY: 1 X-ABS-CHECKED: 4 Received: from localhost (localhost [127.0.0.1]) by smtp.263.net (Postfix) with ESMTPA id 055E338C; Wed, 28 Jun 2017 12:38:43 +0800 (CST) X-RL-SENDER: jeffy.chen@rock-chips.com X-FST-TO: linux-kernel@vger.kernel.org X-SENDER-IP: 103.29.142.67 X-LOGIN-NAME: jeffy.chen@rock-chips.com X-UNIQUE-TAG: <38844c32e39e4f2050f29a5e66806638> X-ATTACHMENT-NUM: 0 X-SENDER: cjf@rock-chips.com X-DNS-TYPE: 0 Received: from localhost (unknown [103.29.142.67]) by smtp.263.net (Postfix) whith ESMTP id 13057810K9U; Wed, 28 Jun 2017 12:38:46 +0800 (CST) From: Jeffy Chen To: linux-kernel@vger.kernel.org, broonie@kernel.org Cc: briannorris@chromium.org, dianders@chromium.org, heiko@sntech.de, Jeffy Chen , linux-spi@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH v3 1/2] spi: rockchip: Set GPIO_SS flag to enable Slave Select with GPIO CS Date: Wed, 28 Jun 2017 12:38:42 +0800 Message-Id: <1498624723-17332-1-git-send-email-jeffy.chen@rock-chips.com> X-Mailer: git-send-email 2.1.4 Sender: linux-spi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-spi@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP The rockchip spi still requires slave selection when using GPIO CS. Signed-off-by: Jeffy Chen Reviewed-by: Douglas Anderson --- Changes in v3: None Changes in v2: None drivers/spi/spi-rockchip.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/spi/spi-rockchip.c b/drivers/spi/spi-rockchip.c index bab9b13..52ea160 100644 --- a/drivers/spi/spi-rockchip.c +++ b/drivers/spi/spi-rockchip.c @@ -749,6 +749,7 @@ static int rockchip_spi_probe(struct platform_device *pdev) master->transfer_one = rockchip_spi_transfer_one; master->max_transfer_size = rockchip_spi_max_transfer_size; master->handle_err = rockchip_spi_handle_err; + master->flags = SPI_MASTER_GPIO_SS; rs->dma_tx.ch = dma_request_chan(rs->dev, "tx"); if (IS_ERR(rs->dma_tx.ch)) {