mirror of
https://github.com/Ysurac/openmptcprouter.git
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82 lines
2.6 KiB
Diff
82 lines
2.6 KiB
Diff
From 23a6584975f29ca1a23e60f4ea09c382693d3693 Mon Sep 17 00:00:00 2001
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From: P33M <p33m@github.com>
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Date: Wed, 1 May 2019 15:00:05 +0100
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Subject: [PATCH] dts: Increase default coherent pool size
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dwc_otg allocates DMA-coherent buffers in atomic context for misaligned
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transfer buffers. The pool that these allocations come from is set up
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at boot-time but can be overridden by a commandline parameter -
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increase this for now to prevent failures seen on 4.19 with multiple
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USB Ethernet devices.
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see: https://github.com/raspberrypi/linux/issues/2924
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---
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arch/arm/boot/dts/bcm270x.dtsi | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/arch/arm/boot/dts/bcm270x.dtsi b/arch/arm/boot/dts/bcm270x.dtsi
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index 55a03c0d5e1c5..ecdb36e69c873 100644
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--- a/arch/arm/boot/dts/bcm270x.dtsi
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+++ b/arch/arm/boot/dts/bcm270x.dtsi
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@@ -3,7 +3,7 @@
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/ {
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chosen {
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- bootargs = "";
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+ bootargs = "coherent_pool=1M";
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/delete-property/ stdout-path;
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};
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From 591bd5452ad361deedc19d21d3f98bf1eab623ca Mon Sep 17 00:00:00 2001
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From: Phil Elwell <phil@raspberrypi.org>
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Date: Thu, 2 May 2019 22:14:34 +0100
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Subject: [PATCH] BCM270X_DT: Also set coherent_pool=1M for BT Pis
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See: https://github.com/raspberrypi/linux/issues/2924
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Signed-off-by: Phil Elwell <phil@raspberrypi.org>
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---
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arch/arm/boot/dts/bcm2708-rpi-0-w.dts | 2 +-
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arch/arm/boot/dts/bcm2710-rpi-3-b-plus.dts | 2 +-
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arch/arm/boot/dts/bcm2710-rpi-3-b.dts | 2 +-
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3 files changed, 3 insertions(+), 3 deletions(-)
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diff --git a/arch/arm/boot/dts/bcm2708-rpi-0-w.dts b/arch/arm/boot/dts/bcm2708-rpi-0-w.dts
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index 68316404aab22..aa33646fcf531 100644
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--- a/arch/arm/boot/dts/bcm2708-rpi-0-w.dts
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+++ b/arch/arm/boot/dts/bcm2708-rpi-0-w.dts
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@@ -8,7 +8,7 @@
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model = "Raspberry Pi Zero W";
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chosen {
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- bootargs = "8250.nr_uarts=1";
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+ bootargs = "coherent_pool=1M 8250.nr_uarts=1";
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};
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aliases {
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diff --git a/arch/arm/boot/dts/bcm2710-rpi-3-b-plus.dts b/arch/arm/boot/dts/bcm2710-rpi-3-b-plus.dts
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index 898ab48479e32..b5f125296e1e9 100644
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--- a/arch/arm/boot/dts/bcm2710-rpi-3-b-plus.dts
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+++ b/arch/arm/boot/dts/bcm2710-rpi-3-b-plus.dts
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@@ -9,7 +9,7 @@
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model = "Raspberry Pi 3 Model B+";
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chosen {
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- bootargs = "8250.nr_uarts=1";
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+ bootargs = "coherent_pool=1M 8250.nr_uarts=1";
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};
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aliases {
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diff --git a/arch/arm/boot/dts/bcm2710-rpi-3-b.dts b/arch/arm/boot/dts/bcm2710-rpi-3-b.dts
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index 61ecb46b9c060..d9d9505c66932 100644
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--- a/arch/arm/boot/dts/bcm2710-rpi-3-b.dts
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+++ b/arch/arm/boot/dts/bcm2710-rpi-3-b.dts
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@@ -9,7 +9,7 @@
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model = "Raspberry Pi 3 Model B";
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chosen {
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- bootargs = "8250.nr_uarts=1";
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+ bootargs = "coherent_pool=1M 8250.nr_uarts=1";
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};
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aliases {
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