Commit 70f340df authored Jan 27, 2016 by Cyrille Pitchen Committed by Mark Brown Jan 28, 2016

spi: atmel: fix gpio chip-select in case of non-DT platform



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.

Fixes: 48203034 ("spi: atmel: add support for the internal chip-select of the spi controller")
Reported-by: Mans Rullgard <mans@mansr.com>
Signed-off-by: Cyrille Pitchen <cyrille.pitchen@atmel.com>
[nicolas.ferre@atmel.com: extract from ml discussion]
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Tested-by: Mans Rullgard <mans@mansr.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Cc: stable@vger.kernel.org

parent 92e963f5

drivers/spi/spi-atmel.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -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;

Admin message