From: Jeff Garzik <jeff@garzik.org>
To: Tejun Heo <tj@kernel.org>
Cc: linux-ide@vger.kernel.org, John Clark <clarkjc@runbox.com>
Subject: Re: [PATCH 8/8] libata: implement ATA_HORKAGE_ATAPI_MOD16_DMA and apply it
Date: Tue, 04 Nov 2008 01:11:03 -0500 [thread overview]
Message-ID: <490FE777.1060207@garzik.org> (raw)
In-Reply-To: <1225706469-27870-9-git-send-email-tj@kernel.org>
Tejun Heo wrote:
> libata always uses PIO for ATAPI commands when the number of bytes to
> transfer isn't multiple of 16 but quantum DAT72 chokes on odd bytes
> PIO transfers. Implement a horkage to skip the mod16 check and apply
> it to the quantum device.
>
> This is reported by John Clark in the following thread.
>
> http://thread.gmane.org/gmane.linux.ide/34748
>
> Signed-off-by: Tejun Heo <tj@kernel.org>
> Cc: John Clark <clarkjc@runbox.com>
> ---
> drivers/ata/libata-core.c | 4 +++-
> include/linux/libata.h | 2 ++
> 2 files changed, 5 insertions(+), 1 deletions(-)
applied
prev parent reply other threads:[~2008-11-04 6:11 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-11-03 10:01 [PATCHSET #upstream-fixes] patches which fell off the crack during maintainership handover Tejun Heo
2008-11-03 10:01 ` [PATCH 1/8] Hibernation: Introduce system_entering_hibernation Tejun Heo
2008-11-04 6:14 ` Jeff Garzik
2008-11-03 10:01 ` [PATCH 2/8] DMI: Introduce dmi_first_match to make the interface more flexible Tejun Heo
2008-11-03 10:01 ` [PATCH 3/8] SATA: Blacklisting of systems that spin off disks during ACPI power off (rev. 2) Tejun Heo
2008-11-03 10:01 ` [PATCH 4/8] SATA AHCI: Blacklist system that spins off disks during ACPI power off Tejun Heo
2008-11-03 10:01 ` [PATCH 5/8] SATA Sil: " Tejun Heo
2008-11-03 10:01 ` [PATCH 6/8] SATA PIIX: " Tejun Heo
2008-11-03 10:01 ` [PATCH 7/8] libata: Fix a potential race condition in ata_scsi_park_show() Tejun Heo
2008-11-04 6:10 ` Jeff Garzik
2008-11-03 10:01 ` [PATCH 8/8] libata: implement ATA_HORKAGE_ATAPI_MOD16_DMA and apply it Tejun Heo
2008-11-04 6:11 ` Jeff Garzik [this message]
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