linux-kernel - Re: [PATCH] firewire: ohci: reduce the size of common context structure by extracting members into AT structure

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Message-ID: <20250712130010.GA126510@workstation.local>
Date: Sat, 12 Jul 2025 22:00:10 +0900
From: Takashi Sakamoto <o-takashi@...amocchi.jp>
To: linux1394-devel@...ts.sourceforge.net
Cc: linux-kernel@...r.kernel.org
Subject: Re: [PATCH] firewire: ohci: reduce the size of common context
 structure by extracting members into AT structure

On Thu, Jul 10, 2025 at 10:19:16PM +0900, Takashi Sakamoto wrote:
> In commit 386a4153a2c1 ("firewire: ohci: cache the context run bit"), a
> running member was added to the context structure to cache the running
> state of a given DMA context. Although this member is accessible from IR,
> IT, and AT contexts, it is currently used only by the AT context.
> 
> Additionally, the context structure includes a work item, which is also
> used by the AT context. Both members are unnecessary for IR and IT
> contexts.
> 
> This commit refactors the code by moving these two members into a new
> structure specific to AT context.
> 
> Signed-off-by: Takashi Sakamoto <o-takashi@...amocchi.jp>
> ---
>  drivers/firewire/ohci.c | 92 ++++++++++++++++++++++-------------------
>  1 file changed, 49 insertions(+), 43 deletions(-)

Applied to for-next branch.


Thanks

Takashi Sakamoto