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Re: [PATCHv2] wifi: ath9k: ahb: do ioremap resource in one step

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On Tue, Apr 22, 2025 at 5:35 AM Toke Høiland-Jørgensen <toke@xxxxxxx> wrote:
>
> Rosen Penev <rosenp@xxxxxxxxx> writes:
>
> > Simplifies probe slightly and adds extra error codes.
> >
> > Switching from devm_ioremap to the platform variant ends up calling
> > devm_request_mem_region, which reserves the memory region for the
> > various wmacs. Per board, there is only one wmac and after some fairly
> > thorough analysis, there are no overlapping memory regions between wmacs
> > and other devices on the ahb.
> >
> > Tested on a TP-Link Archer C7v2.
> >
> > Signed-off-by: Rosen Penev <rosenp@xxxxxxxxx>
> > ---
> >  v2: remove wrong devm irq conversion.
> >  drivers/net/wireless/ath/ath9k/ahb.c | 13 +++----------
> >  1 file changed, 3 insertions(+), 10 deletions(-)
>
> Is there any benefit from this other than code simplification? Because,
> TBH, I'm not sure saving 7 lines of code is worth the risk of changing
> something we know works already...
It's the same API calls fundamentally. This change has already been
done treewide across various drivers.
>
> -Toke





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