diff options
Diffstat (limited to 'target/linux/brcm2708/patches-4.4/0419-spi-bcm2835-Disable-forced-software-CS.patch')
-rw-r--r-- | target/linux/brcm2708/patches-4.4/0419-spi-bcm2835-Disable-forced-software-CS.patch | 46 |
1 files changed, 0 insertions, 46 deletions
diff --git a/target/linux/brcm2708/patches-4.4/0419-spi-bcm2835-Disable-forced-software-CS.patch b/target/linux/brcm2708/patches-4.4/0419-spi-bcm2835-Disable-forced-software-CS.patch deleted file mode 100644 index 567788f1d1..0000000000 --- a/target/linux/brcm2708/patches-4.4/0419-spi-bcm2835-Disable-forced-software-CS.patch +++ /dev/null @@ -1,46 +0,0 @@ -From 5f2b7d1bf699505b07eb5b05e3ad4c2619b1f578 Mon Sep 17 00:00:00 2001 -From: Phil Elwell <phil@raspberrypi.org> -Date: Fri, 1 Jul 2016 22:09:24 +0100 -Subject: [PATCH] spi-bcm2835: Disable forced software CS - -Select software CS in bcm2708_common.dtsi, and disable the automatic -conversion in the driver to allow hardware CS to be re-enabled with an -overlay. - -See: https://github.com/raspberrypi/linux/issues/1547 - -Signed-off-by: Phil Elwell <phil@raspberrypi.org> ---- - arch/arm/boot/dts/bcm2708_common.dtsi | 2 +- - drivers/spi/spi-bcm2835.c | 2 ++ - 2 files changed, 3 insertions(+), 1 deletion(-) - ---- a/arch/arm/boot/dts/bcm2708_common.dtsi -+++ b/arch/arm/boot/dts/bcm2708_common.dtsi -@@ -183,7 +183,7 @@ - * add more gpios if necessary as <&gpio 6 1> - * (but do not forget to make them output!) - */ -- cs-gpios = <0>, <0>; -+ cs-gpios = <&gpio 8 1>, <&gpio 7 1>; - }; - - i2c0: i2c@7e205000 { ---- a/drivers/spi/spi-bcm2835.c -+++ b/drivers/spi/spi-bcm2835.c -@@ -707,6 +707,7 @@ static int bcm2835_spi_setup(struct spi_ - return -EINVAL; - } - -+#if 0 - /* now translate native cs to GPIO */ - /* first look for chip select pins in the devices pin groups */ - for (pingroup_index = 0; -@@ -761,6 +762,7 @@ static int bcm2835_spi_setup(struct spi_ - * so we are setting it here explicitly - */ - gpio_set_value(spi->cs_gpio, (spi->mode & SPI_CS_HIGH) ? 0 : 1); -+#endif - - return 0; - } |