diff options
author | Jeffy Chen <jeffy.chen@rock-chips.com> | 2017-06-28 12:38:42 +0800 |
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committer | Jakob Unterwurzacher <jakob.unterwurzacher@theobroma-systems.com> | 2018-05-09 15:26:54 +0200 |
commit | 2f3f831e8f5331e6a37203afa0f2565f439e79cf (patch) | |
tree | fe872814474ae8fb0ad874bbb08400e3055c69a3 | |
parent | 304f741c4715c0efa9bcc0d7dafd74cfcbd6b73b (diff) |
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>
-rw-r--r-- | drivers/spi/spi-rockchip.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/spi/spi-rockchip.c b/drivers/spi/spi-rockchip.c index e9a2fe324168..98ecf4c6ef61 100644 --- a/drivers/spi/spi-rockchip.c +++ b/drivers/spi/spi-rockchip.c @@ -728,6 +728,7 @@ static int rockchip_spi_probe(struct platform_device *pdev) master->unprepare_message = rockchip_spi_unprepare_message; master->transfer_one = rockchip_spi_transfer_one; master->handle_err = rockchip_spi_handle_err; + master->flags = SPI_MASTER_GPIO_SS; rs->dma_tx.ch = dma_request_slave_channel(rs->dev, "tx"); if (IS_ERR_OR_NULL(rs->dma_tx.ch)) { |