[OpenWrt-Devel] [PATCH] gemini: Make root filesystem writeable

Rafał Miłecki zajec5 at gmail.com
Sun May 26 04:16:02 PDT 2019


On 24.05.2019 18:31, Linus Walleij wrote:
> 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 at linaro.org>

Sounds good, but your .patch file does not follow OpenWrt's quilt setup
rules. Please check:
https://openwrt.org/docs/guide-developer/build-system/use-patches-with-buildsystem#prepare_quilt_configuration

If your just copied a patch from some git tree, please refresh it. See
inline comments below.


> ---
>   ...-DIR-685-partition-table-for-OpenWrt.patch | 19 +++++++++++++------
>   1 file changed, 13 insertions(+), 6 deletions(-)
> 
> diff --git a/target/linux/gemini/patches-4.19/0020-ARM-dts-Augment-DIR-685-partition-table-for-OpenWrt.patch b/target/linux/gemini/patches-4.19/0020-ARM-dts-Augment-DIR-685-partition-table-for-OpenWrt.patch
> index bb4076558df4..4be6545186c0 100644
> --- a/target/linux/gemini/patches-4.19/0020-ARM-dts-Augment-DIR-685-partition-table-for-OpenWrt.patch
> +++ b/target/linux/gemini/patches-4.19/0020-ARM-dts-Augment-DIR-685-partition-table-for-OpenWrt.patch
> @@ -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 at 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
> @@ -9,9 +9,11 @@ the MTD splitter will set this up automatically.
>   
>   Signed-off-by: Linus Walleij <linus.walleij at 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(-)
>   
> +diff --git a/arch/arm/boot/dts/gemini-dlink-dir-685.dts b/arch/arm/boot/dts/gemini-dlink-dir-685.dts
> +index 50ff65d95f26..4ae0bb95be20 100644

This should not appear in a patch.


>   --- a/arch/arm/boot/dts/gemini-dlink-dir-685.dts
>   +++ b/arch/arm/boot/dts/gemini-dlink-dir-685.dts
>   @@ -20,7 +20,7 @@
> @@ -23,7 +25,7 @@ Signed-off-by: Linus Walleij <linus.walleij at linaro.org>
>    		stdout-path = "uart0:19200n8";
>    	};
>    
> -@@ -286,7 +286,8 @@
> +@@ -286,9 +286,9 @@
>    				 * this is called "upgrade" on the vendor system.
>    				 */
>    				partition at 40000 {
> @@ -31,5 +33,10 @@ Signed-off-by: Linus Walleij <linus.walleij at linaro.org>
>   +					compatible = "wrg";
>   +					label = "firmware";
>    					reg = <0x00040000 0x01f40000>;
> - 					read-only;
> +-					read-only;
>    				};
> + 				/* RGDB, Residental Gateway Database? */
> + 				partition at 1f80000 {
> +--
> +2.20.1
> +

Same here



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