From: Niklas Cassel <cassel@kernel.org>
To: Damien Le Moal <dlemoal@kernel.org>,
linux-ide@vger.kernel.org,
Hajo Noerenberg <hajo-linux-ide@noerenberg.de>
Cc: Niklas Cassel <cassel@kernel.org>, Pali Rohar <pali@kernel.org>,
stable@vger.kernel.org, risc4all@yahoo.com,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH v3] ata: ahci: work around lost interrupts on Marvell 88SE61xx
Date: Mon, 31 Aug 2026 16:27:24 +0200 [thread overview]
Message-ID: <178818641418.216562.3155723702033731494.b4-ty@kernel.org> (raw)
In-Reply-To: <20260831124303.920391-1-hajo-linux-ide@noerenberg.de>
On Mon, 31 Aug 2026 14:43:03 +0200, Hajo Noerenberg wrote:
> ahci_single_level_irq_intr() services the ports first and clears the
> global HOST_IRQ_STAT afterwards, as recommended by AHCI 1.1 section
> 10.6.2. The Marvell 88SE6111/6121/6145 family stops reporting interrupts
> for a port when HOST_IRQ_STAT is cleared while PxIS still holds bits:
> PxIS keeps its content, HOST_IRQ_STAT reads back as 0, the port is never
> looked at again, and the command in flight only ends in a timeout.
>
> [...]
Applied to libata/linux.git (for-7.4), thanks!
[1/1] ata: ahci: work around lost interrupts on Marvell 88SE61xx
https://git.kernel.org/libata/linux/c/22f2ba34
Kind regards,
Niklas
next prev parent reply other threads:[~2026-08-31 14:27 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-08-31 12:43 [PATCH v3] ata: ahci: work around lost interrupts on Marvell 88SE61xx Hajo Noerenberg
2026-08-31 14:27 ` Niklas Cassel [this message]
2026-09-04 14:45 ` Niklas Cassel
2026-09-05 12:30 ` Hajo Noerenberg
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