Weirdness of ofnode_get_addr_size()

Jan Kiszka jan.kiszka at siemens.com
Tue May 4 11:51:38 CEST 2021


On 02.05.21 09:53, Jan Kiszka wrote:
> Hi,
> 
> I'm trying to make some sense of ofnode_get_addr_size() in order to fix
> [1] properly.
> 
> First, the documentation if this functions says "This does no address
> translation". But the node-pointer path happily calls
> of_translate_address(), as the result of a6a45cd32539. For not
> offset-bases path, it calls fdtdec_get_addr_size() which does no
> translation.
> 
> Related to [1]: The node-pointer path cleanly calls
> of_n_addr/size_cells() in order to retrieve the configured number of
> cells. But the offset-based path simply calls fdtdec_get_addr_size()
> which assumes that the number of cells is derived from the physical
> address width of that platform.
> 
> So, what is that functions actually supposed to do?
> 
> Jan
> 
> [1] https://www.mail-archive.com/u-boot@lists.denx.de/msg405446.html
> 

Ping - any comments welcome so that the bug(s) can be fixed,
specifically [1].

Jan

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Siemens AG, T RDA IOT
Corporate Competence Center Embedded Linux


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