summaryrefslogtreecommitdiffstats
path: root/target/linux/brcm2708/patches-4.4/0204-pi3-miniuart-bt-overlay-Correct-and-clarify-info.patch
diff options
context:
space:
mode:
Diffstat (limited to 'target/linux/brcm2708/patches-4.4/0204-pi3-miniuart-bt-overlay-Correct-and-clarify-info.patch')
-rw-r--r--target/linux/brcm2708/patches-4.4/0204-pi3-miniuart-bt-overlay-Correct-and-clarify-info.patch41
1 files changed, 41 insertions, 0 deletions
diff --git a/target/linux/brcm2708/patches-4.4/0204-pi3-miniuart-bt-overlay-Correct-and-clarify-info.patch b/target/linux/brcm2708/patches-4.4/0204-pi3-miniuart-bt-overlay-Correct-and-clarify-info.patch
new file mode 100644
index 0000000000..656b9010d7
--- /dev/null
+++ b/target/linux/brcm2708/patches-4.4/0204-pi3-miniuart-bt-overlay-Correct-and-clarify-info.patch
@@ -0,0 +1,41 @@
+From b7bbcabcce3f31bca25f17d68fb9eb0e2e045184 Mon Sep 17 00:00:00 2001
+From: Phil Elwell <phil@raspberrypi.org>
+Date: Thu, 17 Mar 2016 10:16:16 +0000
+Subject: [PATCH 204/232] pi3-miniuart-bt-overlay: Correct and clarify info
+
+Signed-off-by: Phil Elwell <phil@raspberrypi.org>
+---
+ arch/arm/boot/dts/overlays/README | 6 ++++--
+ arch/arm/boot/dts/overlays/pi3-miniuart-bt-overlay.dts | 6 ++++--
+ 2 files changed, 8 insertions(+), 4 deletions(-)
+
+--- a/arch/arm/boot/dts/overlays/README
++++ b/arch/arm/boot/dts/overlays/README
+@@ -511,8 +511,10 @@ Name: pi3-miniuart-bt
+ Info: Switch Pi3 Bluetooth function to use the mini-UART (ttyS0) and restore
+ UART0/ttyAMA0 over GPIOs 14 & 15. Note that this may reduce the maximum
+ usable baudrate.
+- N.B. It is also necessary to edit /lib/systemd/system/hciuart.server
+- and replace ttyAMA0 with ttyS0.
++ N.B. It is also necessary to edit /lib/systemd/system/hciuart.service
++ and replace ttyAMA0 with ttyS0, unless you have a system with udev rules
++ that create /dev/serial0 and /dev/serial1, in which case use
++ /dev/serial1 instead because it will always be correct.
+ Load: dtoverlay=pi3-miniuart-bt
+ Params: <None>
+
+--- a/arch/arm/boot/dts/overlays/pi3-miniuart-bt-overlay.dts
++++ b/arch/arm/boot/dts/overlays/pi3-miniuart-bt-overlay.dts
+@@ -5,8 +5,10 @@
+ UART0/ttyAMA0 over GPIOs 14 & 15. Note that this may reduce the maximum
+ usable baudrate.
+
+- It is also necessary to edit /lib/systemd/system/hciuart.server and
+- replace ttyAMA0 with ttyS0.
++ It is also necessary to edit /lib/systemd/system/hciuart.service and
++ replace ttyAMA0 with ttyS0, unless you have a system with udev rules
++ that create /dev/serial0 and /dev/serial1, in which case use /dev/serial1
++ instead because it will always be correct.
+
+ If cmdline.txt uses the alias serial0 to refer to the user-accessable port
+ then the firmware will replace with the appropriate port whether or not