From mboxrd@z Thu Jan 1 00:00:00 1970 From: jeffy.chen@rock-chips.com (Jeffy Chen) Date: Wed, 28 Jun 2017 12:38:42 +0800 Subject: [PATCH v3 1/2] spi: rockchip: Set GPIO_SS flag to enable Slave Select with GPIO CS Message-ID: <1498624723-17332-1-git-send-email-jeffy.chen@rock-chips.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.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