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From: "Toke Høiland-Jørgensen" <toke@toke.dk>
To: Rosen Penev <rosenp@gmail.com>, linux-wireless@vger.kernel.org
Cc: open list <linux-kernel@vger.kernel.org>
Subject: Re: [PATCHv2] wifi: ath9k: ahb: do ioremap resource in one step
Date: Tue, 22 Apr 2025 14:35:38 +0200	[thread overview]
Message-ID: <87ldrsjrvp.fsf@toke.dk> (raw)
In-Reply-To: <20250421040044.44887-1-rosenp@gmail.com>

Rosen Penev <rosenp@gmail.com> 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@gmail.com>
> ---
>  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...

-Toke

  reply	other threads:[~2025-04-22 12:44 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-04-21  4:00 [PATCHv2] wifi: ath9k: ahb: do ioremap resource in one step Rosen Penev
2025-04-22 12:35 ` Toke Høiland-Jørgensen [this message]
2025-04-22 21:34   ` Rosen Penev
2025-05-01 16:20     ` Toke Høiland-Jørgensen
2025-05-02  9:29 ` Toke Høiland-Jørgensen
2025-05-16 17:40 ` Jeff Johnson

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