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authorJeffy Chen <jeffy.chen@rock-chips.com>2017-06-28 12:38:42 +0800
committerMark Brown <broonie@kernel.org>2017-06-28 19:43:11 +0100
commitc863795c4c0787e5f885099e3b673e1433448b82 (patch)
tree73da4c642ecf87c0f48b2ae97c784c784f543aa3 /drivers/spi
parentc351587e2502050f36d16e9e32c6c98975ecd6a2 (diff)
downloadop-kernel-dev-c863795c4c0787e5f885099e3b673e1433448b82.zip
op-kernel-dev-c863795c4c0787e5f885099e3b673e1433448b82.tar.gz
spi: rockchip: Set GPIO_SS flag to enable Slave Select with GPIO CS
The rockchip spi still requires slave selection when using GPIO CS. Signed-off-by: Jeffy Chen <jeffy.chen@rock-chips.com> Reviewed-by: Douglas Anderson <dianders@chromium.org> Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'drivers/spi')
-rw-r--r--drivers/spi/spi-rockchip.c1
1 files changed, 1 insertions, 0 deletions
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)) {
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