linux-kernel - Re: [PATCH 3/3] Add NumaChip quirk

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Message-ID: <alpine.LFD.2.02.1110251550430.21837@ionos>
Date:	Tue, 25 Oct 2011 15:54:29 +0200 (CEST)
From:	Thomas Gleixner <tglx@...utronix.de>
To:	Daniel J Blueman <daniel@...ascale-asia.com>
cc:	Ingo Molnar <mingo@...hat.com>, H Peter Anvin <hpa@...or.com>,
	Steffen Persvold <sp@...ascale.com>,
	linux-kernel@...r.kernel.org, x86@...nel.org
Subject: Re: [PATCH 3/3] Add NumaChip quirk

Daniel,

On Tue, 18 Oct 2011, Daniel J Blueman wrote:

> Add quirk for Numascale's NumaChip to prevent resource conflicts.
> 
> v2:
>  - [Daniel] rediffed and validated against 3.1-rc10
> 
> Signed-off-by: Steffen Persvold <sp@...ascale.com>

So, who wrote that code? If Steffen, then you should put a From:
.... when sending patches.

> Signed-off-by: Daniel J Blueman <daniel@...ascale-asia.com>
> ---
>  drivers/pci/quirks.c    |   14 ++++++++++++++
>  include/linux/pci_ids.h |    4 ++++
>  2 files changed, 18 insertions(+), 0 deletions(-)

Jesse,

can you take that or should I push it through x86 ?

Thanks,

	tglx
 
> diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
> index 1196f61..051b793 100644
> --- a/drivers/pci/quirks.c
> +++ b/drivers/pci/quirks.c
> @@ -2679,6 +2679,20 @@ static void __devinit quirk_hotplug_bridge(struct pci_dev *dev)
>  
>  DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_HINT, 0x0020, quirk_hotplug_bridge);
>  
> +/* Clear all resources on NumaChip to avoid conflicts */
> +static void __devinit numachip_resource_fixup(struct pci_dev *pdev)
> +{
> +	int i;
> +
> +	for (i = PCI_STD_RESOURCES; i <= PCI_ROM_RESOURCE; i++)
> +		memset(&pdev->resource[i], 0, sizeof(pdev->resource[i]));
> +
> +	dev_notice(&pdev->dev, "Disabled all PCI resources for NumaChip\n");
> +}
> +
> +DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_NUMASCALE,
> +	PCI_DEVICE_ID_NUMASCALE_NUMACHIP0, numachip_resource_fixup);
> +
>  /*
>   * This is a quirk for the Ricoh MMC controller found as a part of
>   * some mulifunction chips.
> diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h
> index ae96bbe..02e0959 100644
> --- a/include/linux/pci_ids.h
> +++ b/include/linux/pci_ids.h
> @@ -2400,6 +2400,10 @@
>  
>  #define PCI_VENDOR_ID_AZWAVE		0x1a3b
>  
> +#define PCI_VENDOR_ID_NUMASCALE		0x1b47
> +#define PCI_DEVICE_ID_NUMASCALE_NUMACHIP0 0x0601
> +#define PCI_DEVICE_ID_NUMASCALE_NUMACHIP1 0x0602
> +
>  #define PCI_VENDOR_ID_TEKRAM		0x1de1
>  #define PCI_DEVICE_ID_TEKRAM_DC290	0xdc29
>  
> -- 
> 1.7.5.4
> 
> 
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