From: Jeff Garzik <jgarzik@pobox.com>
To: dunneil <dunneil@live.cn>
Cc: linux-ide@vger.kernel.org
Subject: Re: ahci.c
Date: Wed, 11 Jun 2008 22:50:25 -0400 [thread overview]
Message-ID: <48508EF1.8000304@pobox.com> (raw)
In-Reply-To: <BAY122-DS4E91A6CF6FAF2D10B80E9BEB20@phx.gbl>
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
next parent reply other threads:[~2008-06-12 2:50 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 ` Jeff Garzik [this message]
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 ` ahci.c Jeff Garzik
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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