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    SubjectRe: [PATCH 2/2] arm: boot: store ATAG structure into DT atags field
    Date
    On Friday 15 May 2015 22:12:41 Arnd Bergmann wrote:
    > On Friday 15 May 2015 21:50:07 Pali Rohár wrote:
    > > }
    > >
    > > }
    > >
    > > + /* include the terminating ATAG_NONE */
    > > + atag_size = (char *)atag - (char *)atag_list +
    > > sizeof(struct tag_header); + setprop(fdt, "/", "atags",
    > > atag_list, atag_size);
    > > +
    > >
    > > if (memcount) {
    > >
    > > setprop(fdt, "/memory", "reg", mem_reg_property,
    > >
    > > 4 * memcount * memsize);
    >
    > The property should probably have a DT binding, and be named
    > "linux,atags".
    >
    > It may also help to check if the "linux,atags" property already
    > exists and not create it otherwise. That way we can put it into the
    > n900 dts file and have it updated by the compat code, but not expose
    > the atags on other platforms unless they opt in.
    >
    > Arnd

    Maybe what would help: Is there a way to tell decompressor/kernel to not
    touch atag memory and then after kernel/board-code starts it save copy
    of atags? I think it is not possible right now, but correct me if I'm
    wrong...

    --
    Pali Rohár
    pali.rohar@gmail.com
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