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authorJames <>2015-11-04 11:49:21 +0000
committerJames <>2015-11-04 11:49:21 +0000
commit716ca530e1c4515d8683c9d5be3d56b301758b66 (patch)
tree700eb5bcc1a462a5f21dcec15ce7c97ecfefa772 /target/linux/brcm2708/patches-4.1/0095-bcm2708-spi-Don-t-use-static-pin-configuration-with-.patch
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Diffstat (limited to 'target/linux/brcm2708/patches-4.1/0095-bcm2708-spi-Don-t-use-static-pin-configuration-with-.patch')
-rw-r--r--target/linux/brcm2708/patches-4.1/0095-bcm2708-spi-Don-t-use-static-pin-configuration-with-.patch39
1 files changed, 39 insertions, 0 deletions
diff --git a/target/linux/brcm2708/patches-4.1/0095-bcm2708-spi-Don-t-use-static-pin-configuration-with-.patch b/target/linux/brcm2708/patches-4.1/0095-bcm2708-spi-Don-t-use-static-pin-configuration-with-.patch
new file mode 100644
index 0000000..2d24617
--- /dev/null
+++ b/target/linux/brcm2708/patches-4.1/0095-bcm2708-spi-Don-t-use-static-pin-configuration-with-.patch
@@ -0,0 +1,39 @@
+From 37f8282b8ba61d7f79cb5538d6331a04c6bdf883 Mon Sep 17 00:00:00 2001
+From: Phil Elwell <phil@raspberrypi.org>
+Date: Mon, 15 Jun 2015 09:59:38 +0100
+Subject: [PATCH 095/203] bcm2708-spi: Don't use static pin configuration with
+ DT
+
+Also remove superfluous error checking - the SPI framework ensures the
+validity of the chip_select value.
+---
+ drivers/spi/spi-bcm2708.c | 11 ++---------
+ 1 file changed, 2 insertions(+), 9 deletions(-)
+
+--- a/drivers/spi/spi-bcm2708.c
++++ b/drivers/spi/spi-bcm2708.c
+@@ -386,14 +386,6 @@ static int bcm2708_spi_setup(struct spi_
+ if (bs->stopping)
+ return -ESHUTDOWN;
+
+- if (!(spi->mode & SPI_NO_CS) &&
+- (spi->chip_select > spi->master->num_chipselect)) {
+- dev_dbg(&spi->dev,
+- "setup: invalid chipselect %u (%u defined)\n",
+- spi->chip_select, spi->master->num_chipselect);
+- return -EINVAL;
+- }
+-
+ state = spi->controller_state;
+ if (!state) {
+ state = kzalloc(sizeof(*state), GFP_KERNEL);
+@@ -496,7 +488,8 @@ static int bcm2708_spi_probe(struct plat
+ return PTR_ERR(clk);
+ }
+
+- bcm2708_init_pinmode();
++ if (!pdev->dev.of_node)
++ bcm2708_init_pinmode();
+
+ master = spi_alloc_master(&pdev->dev, sizeof(*bs));
+ if (!master) {