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gemini: Make root filesystem writeable 

The squashfs+jffs2 root filesystem only came up as read-only
and the config would not take:

[   25.600237] mount_root: Could not open mtd device: /dev/mtd4
[   25.634674] mount_root: reading rootfs_data failed
[   25.665346] mount_root: Could not open mtd device: /dev/mtd3
[   25.699802] mount_root: reading rootfs failed
[   25.726426] mount_root: mounting /dev/root

Well that is not very strange since the whole firmware partition
is made read-only in the device tree. Let's fix that by augmenting
the OpenWrt patch.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
master
Linus Walleij 2019-06-11 23:25:39 +02:00 committed by Christian Lamparter
parent 86098ea87e
commit 502b28b4a9
1 changed files with 8 additions and 6 deletions
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14
target/linux/gemini/patches-4.19/0020-ARM-dts-Augment-DIR-685-partition-table-for-OpenWrt.patch
View File

@ -1,7 +1,7 @@
From 854934b0ce8e758ce581f5ddbc30e618ab46fbdb Mon Sep 17 00:00:00 2001 From ea99e7570882df53478f9b5fa5886a6e92fc2c7f Mon Sep 17 00:00:00 2001
From: Linus Walleij <linus.walleij@linaro.org> From: Linus Walleij <linus.walleij@linaro.org>
Date: Mon, 11 Mar 2019 15:44:29 +0100 Date: Mon, 11 Mar 2019 15:44:29 +0100
Subject: [PATCH 2/2] ARM: dts: Augment DIR-685 partition table for OpenWrt Subject: [PATCH] ARM: dts: Augment DIR-685 partition table for OpenWrt
Rename the firmware partition so that the firmware MTD Rename the firmware partition so that the firmware MTD
splitter will do its job, drop the rootfs arguments as splitter will do its job, drop the rootfs arguments as
@ -9,8 +9,8 @@ the MTD splitter will set this up automatically.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
--- ---
arch/arm/boot/dts/gemini-dlink-dir-685.dts | 5 +++-- arch/arm/boot/dts/gemini-dlink-dir-685.dts | 6 +++---
1 file changed, 3 insertions(+), 2 deletions(-) 1 file changed, 3 insertions(+), 3 deletions(-)
--- a/arch/arm/boot/dts/gemini-dlink-dir-685.dts --- a/arch/arm/boot/dts/gemini-dlink-dir-685.dts
+++ b/arch/arm/boot/dts/gemini-dlink-dir-685.dts +++ b/arch/arm/boot/dts/gemini-dlink-dir-685.dts
@ -23,7 +23,7 @@ Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
stdout-path = "uart0:19200n8"; stdout-path = "uart0:19200n8";
}; };
@@ -286,7 +286,8 @@ @@ -286,9 +286,9 @@
* this is called "upgrade" on the vendor system. * this is called "upgrade" on the vendor system.
*/ */
partition@40000 { partition@40000 {
@ -31,5 +31,7 @@ Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
+ compatible = "wrg"; + compatible = "wrg";
+ label = "firmware"; + label = "firmware";
reg = <0x00040000 0x01f40000>; reg = <0x00040000 0x01f40000>;
read-only; - read-only;
}; };
/* RGDB, Residental Gateway Database? */
partition@1f80000 {