From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753969AbdF1EjO (ORCPT ); Wed, 28 Jun 2017 00:39:14 -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 X-263anti-spam: X-MAIL-GRAY: 0 X-MAIL-DELIVERY: 1 X-ABS-CHECKED: 4 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-DNS-TYPE: 0 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-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The rockchip spi still requires slave selection when using GPIO CS. Signed-off-by: Jeffy Chen --- 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)) { -- 2.1.4