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: 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: Fri, 4 Sep 2026 16:45:31 +0200 [thread overview]
Message-ID: <aprZi3G9Yks1Gq9-@ryzen> (raw)
In-Reply-To: <178818641418.216562.3155723702033731494.b4-ty@kernel.org>
On Mon, Aug 31, 2026 at 04:27:24PM +0200, Niklas Cassel wrote:
> 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
Decided to send this for 7.3-rc2 instead:
https://lore.kernel.org/linux-ide/20260904144228.1473602-1-cassel@kernel.org/T/#u
Kind regards,
Niklas
next prev parent reply other threads:[~2026-09-04 14:45 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
2026-09-04 14:45 ` Niklas Cassel [this message]
2026-09-05 12:30 ` Hajo Noerenberg
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