linux-kernel - Re: [PATCH 1/2] wifi: ath11k: Use platform_get

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Message-ID: <CAD=FV=WEQL+Kik9ZkvtzNKN+-ofZ=-g3OzyUnnJc7PWnRzLdEw@mail.gmail.com>
Date:   Thu, 26 Jan 2023 16:14:42 -0800
From:   Doug Anderson <dianders@...omium.org>
To:     Luis Chamberlain <mcgrof@...nel.org>
Cc:     ath11k@...ts.infradead.org, linux-wireless@...r.kernel.org,
        Nick Kossifidis <mickflemm@...il.com>,
        Youghandhar Chintala <quic_youghand@...cinc.com>,
        junyuu@...omium.org, Kalle Valo <kvalo@...nel.org>,
        Jiri Slaby <jirislaby@...nel.org>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Manikanta Pubbisetty <quic_mpubbise@...cinc.com>,
        Paolo Abeni <pabeni@...hat.com>, linux-kernel@...r.kernel.org,
        netdev@...r.kernel.org
Subject: Re: [PATCH 1/2] wifi: ath11k: Use platform_get_irq() to get the interrupt

Hi,

On Thu, Jan 26, 2023 at 11:01 AM Luis Chamberlain <mcgrof@...nel.org> wrote:
>
> On Tue, Jan 24, 2023 at 11:01:00AM -0800, Douglas Anderson wrote:
> > For the same reasons talked about in commit 9503a1fc123d ("ath9k: Use
> > platform_get_irq() to get the interrupt"), we should be using
> > platform_get_irq() in ath11k. Let's make the switch.
>
> The commit log is rather weak, it is better to re-state what the commit
> log in 9503a1fc123d states as it is stronger, and very clear.

Sure. Adding in the info that Jonas provided about what commit
specifically broke me would also be nice. I'll try to send out a new
CL with improved wording tomorrow.

> To that end. Why not write an SmPL Coccinelle grammer patch for this
> and put it on scripts/coccinelle/api ? Then hunt / convert things which
> will use DT as well and where this is actually useful / likely buggy.

That sounds like a great idea. ...but not something I'm going to do.
I'm not personally on a mission to track down everyone hitting this
particular issue. Hopefully those that were involved in commit
a1a2b7125e10 ("of/platform: Drop static setup of IRQ resource from DT
core") made some effort to hunt problems down and it seems like,
maybe, the zeal robot was part of that effort? In my case, the ath11k
bug hit me and that's what I need fixed. I tried to be a friendly
citizen and also fixup ath5k because it was super obvious that it was
the same issue and the same code.

-Doug