| Message ID | 1498624723-17332-1-git-send-email-jeffy.chen@rock-chips.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
Hi, On Tue, Jun 27, 2017 at 9:38 PM, Jeffy Chen <jeffy.chen@rock-chips.com> wrote: > The rockchip spi still requires slave selection when using GPIO CS. > > Signed-off-by: Jeffy Chen <jeffy.chen@rock-chips.com> > --- > > 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)) { Reviewed-by: Douglas Anderson <dianders@chromium.org>
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)) {
The rockchip spi still requires slave selection when using GPIO CS. Signed-off-by: Jeffy Chen <jeffy.chen@rock-chips.com> --- Changes in v3: None Changes in v2: None drivers/spi/spi-rockchip.c | 1 + 1 file changed, 1 insertion(+)