Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]
Groups > linux.kernel > #1319150
| From | Nicolas Ferre <nicolas.ferre@atmel.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH] spi: atmel: fix gpio chip-select in case of non-DT platform |
| Date | 2016-01-27 17:50 +0100 |
| Message-ID | <qVBs7-6oZ-33@gated-at.bofh.it> (permalink) |
| Organization | linux.* mail to news gateway |
From: Cyrille Pitchen <cyrille.pitchen@atmel.com>
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 <cyrille.pitchen@atmel.com>
[nicolas.ferre@atmel.com: extract from ml discussion]
Reported-by: Mans Rullgard <mans@mansr.com>
Fixes: 4820303480a1 ("spi: atmel: add support for the internal chip-select of the spi controller")
Cc: <stable@vger.kernel.org> # 4.2+
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
---
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
Back to linux.kernel | Previous | Next | Find similar | Unroll thread
[PATCH] spi: atmel: fix gpio chip-select in case of non-DT platform Nicolas Ferre <nicolas.ferre@atmel.com> - 2016-01-27 17:50 +0100
csiph-web