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>
