From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jeff Garzik <jgarzik@pobox.com>
Subject: Re: ahci.c
Date: Wed, 11 Jun 2008 22:50:25 -0400
Message-ID: <48508EF1.8000304@pobox.com>
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To: dunneil <dunneil@live.cn>
Cc: linux-ide@vger.kernel.org

dunneil wrote:
> hi,
>  
>   My hardware is AHCI SATA controller with FPGA-based PCIE board.My 
> kernel is 2.6.20.7. after insmod ahci.ko, i run lspci -xxxxvvvv 
> command.but,it seems that it doesn't set the BUS master enable bit of 
> PCIE header command register.plz check my header content.
>  
>   But,i run Pcitree software at windows.The BUS master enable is 
> observed to be set,and that i can read out a part of sata register value.
>  
>   how to debug this issue?

ahci.c calls pci_set_master() to enable the BusMaster bit.

	Jeff