On Tue, 30 Jun 2015 16:51:13 +0200
, Geert Uytterhoeven <[email protected]>
wrote:
> Hi,
>
> Currently the list of aliases is not updated when a DT overlay that adds
> an alias is loaded or unloaded. This break drivers (e.g. serial) that
> rely on of_alias_get_id(). This RFC patch series fixes that.
>
> This is definitely not a final solution to be applied, as (1) it doesn't
> fix all possible cases, and as (2) there's an unresolved issue w.r.t.
> object lifetime. More about this in the last patch.
>
> But it's Good Enough For My Use Case(TM), which is enabling/disabling
> serial ports on expansion headers by (un)loading DTBOs.
>
> Thanks for your comments!
>
> Geert Uytterhoeven (3):
> [RFC] of: Extract of_alias_create()
> [RFC] of: Add of_alias_destroy()
> [RFC] of/dynamic: Update list of aliases on aliases changes
Looks good to me. I've made comments on patch 3. Also, you'll need to
include unittests before I can merge it.
g.
>
> drivers/of/base.c | 72
> +++++++++++++++++++++++++++++++++-------------------
> drivers/of/dynamic.c | 24 ++++++++++++++++++
> include/linux/of.h | 3 +++
> 3 files changed, 73 insertions(+), 26 deletions(-)
>
> --
> 1.9.1
>
> Gr{oetje,eeting}s,
>
> Geert
>
> --
> Geert Uytterhoeven -- There's lots of Linux beyond ia32 --
> [email protected]
>
> In personal conversations with technical people, I call myself a hacker. But
> when I'm talking to journalists I just say "programmer" or something like
> that.
> -- Linus Torvalds
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