Re: [PATCH V3 1/2] dt-bindings: mtd: partitions: support marking rootfs partition

[Rob Herring]

On Sat, 22 Oct 2022 23:13:17 +0200, Rafał Miłecki wrote:
> From: Rafał Miłecki <rafal@xxxxxxxxxx>
> 
> Linux needs to know what to use as root device. On embedded devices with
> flash the only common way to specify that is cmdline & root= parameter.
> 
> That solution works with U-Boot which is Linux & cmdline aware but isn't
> available with all market bootloaders. Also that method is fragile:
> 1. Requires specific probing order on multi-flash devices
> 2. Uses hardcoded partitions indexes
> 
> A lot of devices use different partitioning methods. It may be
> "fixed-partitions" or some dynamic partitioning (e.g. based on parts
> table). For such cases allow "linux,rootfs" property to mark correct
> flash partition.
> 
> Signed-off-by: Rafał Miłecki <rafal@xxxxxxxxxx>
> ---
> V2: Use "linux,rootfs" as more accurate. Thanks Rob.
> ---
>  .../devicetree/bindings/mtd/partitions/fixed-partitions.yaml  | 1 +
>  .../devicetree/bindings/mtd/partitions/partition.yaml         | 4 ++++
>  2 files changed, 5 insertions(+)
> 

Reviewed-by: Rob Herring <robh@xxxxxxxxxx>