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From: Jeff Garzik <jgarzik@pobox.com>
To: dunneil <dunneil@live.cn>
Cc: linux-ide@vger.kernel.org
Subject: Re: ahci.c
Date: Fri, 13 Jun 2008 04:49:26 -0400	[thread overview]
Message-ID: <48523496.3090208@pobox.com> (raw)
In-Reply-To: <BAY122-DS5943144F5B68D62071DDEBEAC0@phx.gbl>

dunneil wrote:
> if there are two ASATA controller inside motherboard, it will cause 
> conflict
> for BUS Master Enable bit? Do i need disable the motherboard integrated 
> ASATA controoller for my separate ASATA controller FPGA board?

You can have as many AHCI PCI devices as you wish.

Each PCI device has its own Bus Master Enable bit in the PCI Command
register.

	Jeff




  reply	other threads:[~2008-06-13  8:49 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <BAY122-DS4E91A6CF6FAF2D10B80E9BEB20@phx.gbl>
2008-06-12  2:50 ` ahci.c Jeff Garzik
2008-06-12  3:26   ` ahci.c dunneil
2008-06-12  6:44   ` ahci.c dunneil
2008-06-13  7:50   ` ahci.c dunneil
2008-06-13  7:52   ` ahci.c dunneil
2008-06-13  8:49     ` Jeff Garzik [this message]
2008-06-13  9:19       ` ahci.c dunneil
2008-06-13  9:42         ` ahci.c Jeff Garzik
2008-06-13 13:20           ` ahci.c dunneil
2008-06-13 11:53       ` ahci.c dunneil
2008-06-13 11:54       ` ahci.c dunneil
2008-06-14 14:08       ` ahci.c dunneil

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