linux-kernel - Re: [PATCH] firewire: core: clear sources of hardware interrupt at card removal

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Message-ID: <20251111104646.GA180198@workstation.local>
Date: Tue, 11 Nov 2025 19:46:46 +0900
From: Takashi Sakamoto <o-takashi@...amocchi.jp>
To: linux1394-devel@...ts.sourceforge.net
Cc: linux-kernel@...r.kernel.org
Subject: Re: [PATCH] firewire: core: clear sources of hardware interrupt at
 card removal

On Sun, Nov 09, 2025 at 03:55:25PM +0900, Takashi Sakamoto wrote:
> Due to the factors external to the system, hardware events may still be
> handled while a card instance is being removed. The sources of hardware
> IRQs should be cleared during card removal so that workqueues can be safely
> destroyed.
> 
> This commit adds a disable callback to the underlying driver operations.
> After this callback returns, the underlying driver guarantees that it
> will no longer handle hardware events.
> 
> Signed-off-by: Takashi Sakamoto <o-takashi@...amocchi.jp>
> ---
>  drivers/firewire/core-card.c |  3 +++
>  drivers/firewire/core.h      |  3 +++
>  drivers/firewire/ohci.c      | 44 +++++++++++++++++++++++++++++-------
>  3 files changed, 42 insertions(+), 8 deletions(-)

Applied to for-next branch.


Regards

Takashi Sakamoto