netdev - Re: [PATCH 01/10] atl1c: add workaround for issue of bit INTX-disable for MSI interrupt

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Message-ID: <20120428020510.GJ14465@tux>
Date:	Fri, 27 Apr 2012 19:05:10 -0700
From:	"Luis R. Rodriguez" <rodrigue@....qualcomm.com>
To:	xiong <xiong@....qualcomm.com>
Cc:	davem@...emloft.net, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org, qca-linux-team@...lcomm.com,
	nic-devel@...lcomm.com
Subject: Re: [PATCH 01/10] atl1c: add workaround for issue of bit
 INTX-disable for MSI interrupt

On Sat, Apr 28, 2012 at 09:58:36AM +0800, xiong wrote:
> All supported devices have one issue that msi interrupt doesn't assert
> if pci command register bit (PCI_COMMAND_INTX_DISABLE) is set.
> Add workaround in drivers/pci/quirks.c
> 
> Signed-off-by: xiong <xiong@....qualcomm.com>
> ---
>  drivers/pci/quirks.c |   12 ++++++++++++
>  1 files changed, 12 insertions(+), 0 deletions(-)
> 
> diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
> index 4bf7102..953ec3f 100644
> --- a/drivers/pci/quirks.c
> +++ b/drivers/pci/quirks.c
> @@ -2626,6 +2626,18 @@ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, 0x4374,
>  DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, 0x4375,
>  			quirk_msi_intx_disable_bug);
>  
> +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATTANSIC, 0x1062,
> +			quirk_msi_intx_disable_bug);
> +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATTANSIC, 0x1063,
> +			quirk_msi_intx_disable_bug);
> +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATTANSIC, 0x2060,
> +			quirk_msi_intx_disable_bug);
> +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATTANSIC, 0x2062,
> +			quirk_msi_intx_disable_bug);
> +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATTANSIC, 0x1073,
> +			quirk_msi_intx_disable_bug);
> +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATTANSIC, 0x1083,
> +			quirk_msi_intx_disable_bug);
>  #endif /* CONFIG_PCI_MSI */

Xiong -- just a heads up, I think to backport these then you can
send me patches for compat-wireless to do the work around itself on
the driver on a patch under patches/ you can say create a 
58-drivers-pci-quirks.patch which pathces your driver there.

  Luis
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