From: jeffy.chen@rock-chips.com (Jeffy Chen)
To: 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 [thread overview]
Message-ID: <1498624723-17332-1-git-send-email-jeffy.chen@rock-chips.com> (raw)
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)) {
--
2.1.4
next reply other threads:[~2017-06-28 4:38 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-06-28 4:38 Jeffy Chen [this message]
2017-06-28 4:38 ` [PATCH v3 2/2] spi: rockchip: Disable Runtime PM when chip select is asserted Jeffy Chen
2017-06-28 5:30 ` Doug Anderson
2017-06-28 18:42 ` Mark Brown
2017-06-28 19:25 ` Applied "spi: rockchip: Disable Runtime PM when chip select is asserted" to the spi tree Mark Brown
2017-06-28 5:38 ` [PATCH v3 1/2] spi: rockchip: Set GPIO_SS flag to enable Slave Select with GPIO CS Doug Anderson
2017-06-28 19:26 ` Applied "spi: rockchip: Set GPIO_SS flag to enable Slave Select with GPIO CS" to the spi tree Mark Brown
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