linux-kernel - [PATCH v2] spi: sun6i: Add support for GPIO chip select lines

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Date:   Sun, 10 May 2020 21:53:30 -0700
From:   Alistair Francis <alistair@...stair23.me>
To:     broonie@...nel.org, linux-spi@...r.kernel.org
Cc:     mripard@...nel.org, wens@...e.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        alistair23@...il.com, Alistair Francis <alistair@...stair23.me>
Subject: [PATCH v2] spi: sun6i: Add support for GPIO chip select lines

Set use_gpio_descriptors as true to support using generic GPIO
lines for the chip select.

Signed-off-by: Alistair Francis <alistair@...stair23.me>
---
v2:
 - Use use_gpio_descriptors instead of spi_setup

 drivers/spi/spi-sun6i.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/spi/spi-sun6i.c b/drivers/spi/spi-sun6i.c
index ec7967be9e2f..ecea15534c42 100644
--- a/drivers/spi/spi-sun6i.c
+++ b/drivers/spi/spi-sun6i.c
@@ -470,6 +470,7 @@ static int sun6i_spi_probe(struct platform_device *pdev)
 
 	master->max_speed_hz = 100 * 1000 * 1000;
 	master->min_speed_hz = 3 * 1000;
+	master->use_gpio_descriptors = true;
 	master->set_cs = sun6i_spi_set_cs;
 	master->transfer_one = sun6i_spi_transfer_one;
 	master->num_chipselect = 4;
-- 
2.26.2