Messages in this thread | | | From | Arnd Bergmann <> | Subject | Re: [PATCH 1/5] arm: devtree: Set system_rev from DT "/revision" | Date | Mon, 28 Dec 2015 23:27:17 +0100 |
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On Monday 28 December 2015 13:01:22 Frank Rowand wrote: > > Patch 2/5 copies the value from ATAG_REVISION into the fdt "/revision" > property. > > If the use of /revision is limited to being a location to hold an ATAG > value to pass to the global variable system_rev, then it would make > sense to just copy directly from the ATAG value into system_rev in the > same board file where you are copying the ATAGs.
Agreed. That would be simpler, and avoid a situation where someone relies on the /revision property in DT to be set from the atags compat code (preventing an upgrade to a newer bootloader), or on the system_rev variable to be the same across multiple boot loaders, in the absence of other kernel code setting it.
Arnd
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