[PATCH] spi: atmel: fix gpio chip-select in case of non-DT platform
From: Måns Rullgård <hidden>
Date: 2016-01-28 16:00:29
Also in:
linux-spi, lkml, stable
Nicolas Ferre [off-list ref] writes:
From: Cyrille Pitchen <redacted>
The non-DT platform that uses this driver (actually the AVR32) was taking a bad
branch for determining if the IP would use gpio for CS.
Adding the presence of DT as a condition fixes this issue.
Signed-off-by: Cyrille Pitchen <redacted>
[nicolas.ferre at atmel.com: extract from ml discussion]
Reported-by: Mans Rullgard <redacted>
Fixes: 4820303480a1 ("spi: atmel: add support for the internal chip-select of the spi controller")
Cc: <redacted> # 4.2+
Signed-off-by: Nicolas Ferre <redacted>Tested-by: Mans Rullgard <redacted>
quoted hunk
--- drivers/spi/spi-atmel.c | 1 + 1 file changed, 1 insertion(+)diff --git a/drivers/spi/spi-atmel.c b/drivers/spi/spi-atmel.c index aebad36391c9..8feac599e9ab 100644 --- a/drivers/spi/spi-atmel.c +++ b/drivers/spi/spi-atmel.c@@ -1571,6 +1571,7 @@ static int atmel_spi_probe(struct platform_device *pdev) as->use_cs_gpios = true; if (atmel_spi_is_v2(as) && + pdev->dev.of_node && !of_get_property(pdev->dev.of_node, "cs-gpios", NULL)) { as->use_cs_gpios = false; master->num_chipselect = 4;-- 2.1.3
-- M?ns Rullg?rd