From: Niklas Cassel <cassel@kernel.org>
To: Damien Le Moal <dlemoal@kernel.org>, Marco Ziliani <rylos78@gmail.com>
Cc: Kyrylo Biryuk <illofspeed@gmail.com>,
linux-ide@vger.kernel.org, linux-kernel@vger.kernel.org,
stable@vger.kernel.org
Subject: Re: [PATCH v2] ata: libata-pmp: disable the SEMB port on Marvell 88SM9705
Date: Sat, 07 Nov 2026 14:19:46 +0100 [thread overview]
Message-ID: <179405758634.946822.2611921287082577908.b4-ty@kernel.org> (raw)
In-Reply-To: <20261107-pmp-88sm9705-v2-1-18eed983d3db@gmail.com>
On Sat, 07 Nov 2026 14:13:30 +0100, Marco Ziliani wrote:
> The Marvell 88SM9705 is a 1-to-5 SATA port multiplier with one
> additional SEMB (SATA Enclosure Management Bridge) port [1]. Ports
> 0-4 are device ports and port 5 is the SEMB. The number of fan-out
> ports in GSCR[2] is 6 when the SEMB is enabled and 5 when it is not,
> so on boards without the SEMB there is no link 5 and this quirk does
> nothing. That includes the common 8-port PCIe cards that pair an
> 88SE9215 with an 88SM9705, which report 5 ports.
>
> [...]
Applied to libata/linux.git (for-7.4-fixes), thanks!
[1/1] ata: libata-pmp: disable the SEMB port on Marvell 88SM9705
https://git.kernel.org/libata/linux/c/6b67cdb4
Kind regards,
Niklas
prev parent reply other threads:[~2026-11-07 13:19 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-11-07 13:13 Marco Ziliani
2026-11-07 13:19 ` Niklas Cassel [this message]
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