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17a627ec82
Backport [1] and fix [2] hardware buffer management. Also fix the IRQ storm
caused by a misconfiguration of the PCA9538 interrupt pin [3].
[1] https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/arch/arm/boot/dts/armada-385-turris-omnia.dts?id=018b88eee1a2efda26ed2f09aab33ccdc40ef18f
[2] https://lore.kernel.org/linux-arm-kernel/20210217153038.1068170-1-rsalvaterra@gmail.com/
[3] https://lore.kernel.org/linux-arm-kernel/20210220231144.32325-1-kabel@kernel.org/
Signed-off-by: Rui Salvaterra <rsalvaterra@gmail.com>
(cherry picked from commit 6fe6b631ef)
75 lines
1.9 KiB
Diff
75 lines
1.9 KiB
Diff
From 018b88eee1a2efda26ed2f09aab33ccdc40ef18f Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Marek=20Beh=C3=BAn?= <kabel@kernel.org>
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Date: Sun, 15 Nov 2020 14:59:17 +0100
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Subject: ARM: dts: turris-omnia: enable HW buffer management
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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The buffer manager is available on Turris Omnia but needs to be
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described in device-tree to be used.
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Signed-off-by: Marek Behún <kabel@kernel.org>
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Fixes: 26ca8b52d6e1 ("ARM: dts: add support for Turris Omnia")
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Cc: linux-arm-kernel@lists.infradead.org
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Cc: Uwe Kleine-König <uwe@kleine-koenig.org>
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Cc: Jason Cooper <jason@lakedaemon.net>
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Cc: Gregory CLEMENT <gregory.clement@bootlin.com>
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Cc: Andreas Färber <afaerber@suse.de>
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Cc: Andrew Lunn <andrew@lunn.ch>
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Cc: Rob Herring <robh+dt@kernel.org>
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Cc: devicetree@vger.kernel.org
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Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>
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---
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arch/arm/boot/dts/armada-385-turris-omnia.dts | 17 +++++++++++++++++
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1 file changed, 17 insertions(+)
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(limited to 'arch/arm/boot/dts/armada-385-turris-omnia.dts')
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--- a/arch/arm/boot/dts/armada-385-turris-omnia.dts
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+++ b/arch/arm/boot/dts/armada-385-turris-omnia.dts
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@@ -84,12 +84,23 @@
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};
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};
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+&bm {
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+ status = "okay";
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+};
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+
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+&bm_bppi {
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+ status = "okay";
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+};
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+
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/* Connected to 88E6176 switch, port 6 */
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ð0 {
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pinctrl-names = "default";
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pinctrl-0 = <&ge0_rgmii_pins>;
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status = "okay";
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phy-mode = "rgmii";
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+ buffer-manager = <&bm>;
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+ bm,pool-long = <0>;
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+ bm,pool-short = <3>;
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fixed-link {
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speed = <1000>;
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@@ -103,6 +114,9 @@
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pinctrl-0 = <&ge1_rgmii_pins>;
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status = "okay";
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phy-mode = "rgmii";
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+ buffer-manager = <&bm>;
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+ bm,pool-long = <1>;
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+ bm,pool-short = <3>;
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fixed-link {
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speed = <1000>;
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@@ -115,6 +129,9 @@
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status = "okay";
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phy-mode = "sgmii";
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phy = <&phy1>;
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+ buffer-manager = <&bm>;
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+ bm,pool-long = <2>;
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+ bm,pool-short = <3>;
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};
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&i2c0 {
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