linux-kernel - Memory at xxxxxx [disabled]

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Message-ID: <CAHFNz9L-WDeEGx9MazTawJF-Hsz88FS7Z=RinfrKn780jBf++A@mail.gmail.com>
Date:	Sat, 8 Oct 2011 21:21:52 +0530
From:	Manu Abraham <abraham.manu@...il.com>
To:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Cc:	linux-pci <linux-pci@...r.kernel.org>
Subject: Memory at xxxxxx [disabled]

Hi,

Any Idea why I am seeing the [disabled] for the specified memory
region as described below ?

04:07.0 Multimedia controller [0480]: Twinhan Technology Co. Ltd
Device [1822:4e31] (rev 01)
        Subsystem: Twinhan Technology Co. Ltd Device [1822:0010]
        Flags: medium devsel, IRQ 11
        Memory at fd900000 (32-bit, prefetchable) [disabled] [size=4K]


testbox v4l # lspci -tv
-[0000:00]-+-00.0  Advanced Micro Devices [AMD] RS780 Host Bridge Alternate
           +-01.0-[01]--+-05.0  ATI Technologies Inc Device 9710
           |            \-05.1  ATI Technologies Inc Device 970f
           +-04.0-[02]----00.0  Philips Semiconductors Device 7160
           +-0a.0-[03]----00.0  Realtek Semiconductor Co., Ltd.
RTL8111/8168B PCI Express Gigabit Ethernet controller
           +-11.0  ATI Technologies Inc SB700/SB800 SATA Controller [AHCI mode]
           +-12.0  ATI Technologies Inc SB700/SB800 USB OHCI0 Controller
           +-12.1  ATI Technologies Inc SB700 USB OHCI1 Controller
           +-12.2  ATI Technologies Inc SB700/SB800 USB EHCI Controller
           +-13.0  ATI Technologies Inc SB700/SB800 USB OHCI0 Controller
           +-13.1  ATI Technologies Inc SB700 USB OHCI1 Controller
           +-13.2  ATI Technologies Inc SB700/SB800 USB EHCI Controller
           +-14.0  ATI Technologies Inc SBx00 SMBus Controller
           +-14.1  ATI Technologies Inc SB700/SB800 IDE Controller
           +-14.2  ATI Technologies Inc SBx00 Azalia (Intel HDA)
           +-14.3  ATI Technologies Inc SB700/SB800 LPC host controller
           +-14.4-[04]----07.0  Twinhan Technology Co. Ltd Device 4e31
           +-14.5  ATI Technologies Inc SB700/SB800 USB OHCI2 Controller
           +-18.0  Advanced Micro Devices [AMD] K10 [Opteron,
Athlon64, Sempron] HyperTransport Configuration
           +-18.1  Advanced Micro Devices [AMD] K10 [Opteron,
Athlon64, Sempron] Address Map
           +-18.2  Advanced Micro Devices [AMD] K10 [Opteron,
Athlon64, Sempron] DRAM Controller
           +-18.3  Advanced Micro Devices [AMD] K10 [Opteron,
Athlon64, Sempron] Miscellaneous Control
           \-18.4  Advanced Micro Devices [AMD] K10 [Opteron,
Athlon64, Sempron] Link Control


Any pointers would be much appreciated.

Thanks,
Manu
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