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From: Jeffy Chen <jeffy.chen-TNX95d0MmH7DzftRWevZcw@public.gmane.org>
To: linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	broonie-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org
Cc: briannorris-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org,
	dianders-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org,
	heiko-4mtYJXux2i+zQB+pC5nmwQ@public.gmane.org,
	Jeffy Chen <jeffy.chen-TNX95d0MmH7DzftRWevZcw@public.gmane.org>,
	linux-spi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	linux-rockchip-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
	linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.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-TNX95d0MmH7DzftRWevZcw@public.gmane.org>
---

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


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             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]
     [not found] ` <1498624723-17332-1-git-send-email-jeffy.chen-TNX95d0MmH7DzftRWevZcw@public.gmane.org>
2017-06-28  4:38   ` [PATCH v3 2/2] spi: rockchip: Disable Runtime PM when chip select is asserted Jeffy Chen
     [not found]     ` <1498624723-17332-2-git-send-email-jeffy.chen-TNX95d0MmH7DzftRWevZcw@public.gmane.org>
2017-06-28  5:30       ` Doug Anderson
     [not found]         ` <CAD=FV=UzDHfTNJgs8vvbKGd0RpY__Q9V27aSQiR5ugv6ff5gfQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
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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