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gemini: Make root filesystem writeable

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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>
This commit is contained in:
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
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@@ -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>
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
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>
---
arch/arm/boot/dts/gemini-dlink-dir-685.dts | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
arch/arm/boot/dts/gemini-dlink-dir-685.dts | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
--- a/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";
};
@@ -286,7 +286,8 @@
@@ -286,9 +286,9 @@
* this is called "upgrade" on the vendor system.
*/
partition@40000 {
@@ -31,5 +31,7 @@ Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
+ compatible = "wrg";
+ label = "firmware";
reg = <0x00040000 0x01f40000>;
read-only;
- read-only;
};
/* RGDB, Residental Gateway Database? */
partition@1f80000 {