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: 9813443 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 E04EB603D7 for ; Wed, 28 Jun 2017 04:39:29 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id D326A24B48 for ; Wed, 28 Jun 2017 04:39:29 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id C77C327FA6; Wed, 28 Jun 2017 04:39:29 +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=-1.9 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [65.50.211.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 2E25424B48 for ; Wed, 28 Jun 2017 04:39:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:Message-Id:Date: Subject:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To: References:List-Owner; bh=FB7dqf5Ijxkxqn2Q+ShK1SRe8zGNR+wIyAtHMLimH4I=; b=eG3 ZSMzAgd7Vwqbm1hehwqO//xuOKeLwccleHcTQXQui9kSJoheQC1Bo6A5z3V0dfYxPNBpB/5tb390c AWD8CQ2ke7BjKb5pgBTc6dUkh1P+O7DryD679+Yq+FPTHSJL4teD2S8hxv/6zpapLkO+C+Gbx8m+p OXCGcYFG7F4ND0sOU5V1wPrPIb7kU3aLNoUM/6N+EKAOjqIvoO+JISzT+eB0D4gRmKOZ5XKCaImuY tNwsk8Vw9tnxwvjZXWtW1EohLXpTG8TK89JLp7LVtGouObKLp57xL6g5v2W/F69jDgeoJ6UNCob23 QOh83OemkMHxDgftxEc0mkrHKa87DQg==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.87 #1 (Red Hat Linux)) id 1dQ4l8-0004Xe-Ew; Wed, 28 Jun 2017 04:39:22 +0000 Received: from regular1.263xmail.com ([211.150.99.139]) by bombadil.infradead.org with esmtps (Exim 4.87 #1 (Red Hat Linux)) id 1dQ4l4-0004Vf-23; Wed, 28 Jun 2017 04:39:20 +0000 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 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 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20170627_213918_409144_86374E37 X-CRM114-Status: UNSURE ( 4.88 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: briannorris@chromium.org, heiko@sntech.de, Jeffy Chen , dianders@chromium.org, linux-spi@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-arm-kernel@lists.infradead.org MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.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)) {