Signed-off-by: Uwe Kleine-König <u.kleine-koenig@xxxxxxxxxxxxxx> --- .../devicetree/bindings/barebox/barebox,state.rst | 18 ++++++++++-------- 1 file changed, 10 insertions(+), 8 deletions(-) diff --git a/Documentation/devicetree/bindings/barebox/barebox,state.rst b/Documentation/devicetree/bindings/barebox/barebox,state.rst index 40d7bc2e6fdf..ed17e3e75883 100644 --- a/Documentation/devicetree/bindings/barebox/barebox,state.rst +++ b/Documentation/devicetree/bindings/barebox/barebox,state.rst @@ -127,14 +127,16 @@ Variable Types Backends -------- -Currently two backends exist. The raw backend is a very compact format -consisting of a magic value for identification, the raw values and a -CRC. Two copies are maintained for making sure that during update the -storage device still contains a valid state. The dtb backend stores -the state as a devicetree binary blob. This is exactly the original -devicetree description of the state itself, but additionally contains -the actual values of the variables. Unlike the raw state backend the -dtb state backend can describe itself. +Currently two backends exist. The ``raw`` backend is a very compact format +consisting of a magic value for identification, a crc-protected header giving +the actual length and then the raw values and another CRC. To make sure that +during update the storage device always contains a valid state, the data is +replicated on the medium. + +The ``dtb`` backend stores the state as a devicetree binary blob. This is +exactly the original devicetree description of the state itself, but +additionally contains the actual values of the variables. Unlike the ``raw`` +state backend the ``dtb`` state backend can describe itself. HMAC ---- -- 2.11.0 _______________________________________________ barebox mailing list barebox@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/barebox
