From: Takashi Sakamoto <o-takashi@sakamocchi.jp>
To: linux1394-devel@lists.sourceforge.net
Cc: linux-kernel@vger.kernel.org, stable@vger.kernel.org
Subject: Re: [PATCH] firewire: core: fix source bus ID detection for AT context in big-endian systems
Date: Thu, 10 Sep 2026 06:55:42 +0900 [thread overview]
Message-ID: <20260909215542.GC2981831@sakamocchi.jp> (raw)
In-Reply-To: <20260908122840.2886621-1-o-takashi@sakamocchi.jp>
Hi,
On Tue, Sep 08, 2026 at 09:28:40PM +0900, Takashi Sakamoto wrote:
> The source bus ID bit in AT DMA context is not detected correctly on
> big-endian systems because the little-endian data is not converted to
> CPU endianness.
>
> Fix the bug. The helper functions related to this are never used in
> driver code, so extend the test to check the field instead.
>
> Cc: stable@vger.kernel.org # v6.12
> Fixes: 8db9d1557122 ("firewire: ohci: add static inline functions to serialize/deserialize data of AT DMA")
> Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
> ---
> drivers/firewire/ohci-serdes-test.c | 4 ++--
> drivers/firewire/ohci.h | 2 +-
> 2 files changed, 3 insertions(+), 3 deletions(-)
Applied to for-next branch.
Regards
Takashi Sakamoto
prev parent reply other threads:[~2026-09-09 21:55 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-08 12:28 Takashi Sakamoto
2026-09-09 21:55 ` Takashi Sakamoto [this message]
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