workaround for buggy BIOSes and i845 chipsets

workaround for buggy BIOSes and i845 chipsets

[Michal Semler]

Hello,
Vojtech Pavlik helped me to workaround this issue. This patch is backport 
from 2.5 to 2.4 and is applicable into 2.4.19-rc3. Maybe somebody will need 
it too. It works correctly on my system.

Michal

Patch:

--- linux/drivers/pci/quirks.c  Sat Jul 20 11:08:15 2002
+++ linux/drivers/pci/quirks.c  Tue Jul 23 14:51:43 2002
@@ -471,6 +471,15 @@
        r -> end = 0xffffff;
 }

+static void __init quirk_ide_trash(struct pci_dev *dev)
+{
+        int i;
+        for(i = 0; i < 4; i++)
+                dev->resource[i].start = dev->resource[i].end = 
dev->resource[i].flags = 0;
+}
+
+#define PCI_DEVICE_ID_INTEL_82801DB_9   0x24cb
+
 /*
  *  The main table of quirks.
  */
@@ -498,6 +507,9 @@
        { PCI_FIXUP_FINAL,      PCI_VENDOR_ID_INTEL,    
PCI_DEVICE_ID_INTEL_82443BX_0,  quirk_natoma },
        { PCI_FIXUP_FINAL,      PCI_VENDOR_ID_INTEL,    
PCI_DEVICE_ID_INTEL_82443BX_1,  quirk_natoma },
        { PCI_FIXUP_FINAL,      PCI_VENDOR_ID_INTEL,    
PCI_DEVICE_ID_INTEL_82443BX_2,  quirk_natoma },
+       { PCI_FIXUP_HEADER,     PCI_VENDOR_ID_INTEL,    
PCI_DEVICE_ID_INTEL_82801CA_10, quirk_ide_trash },
+        { PCI_FIXUP_HEADER,     PCI_VENDOR_ID_INTEL,    
PCI_DEVICE_ID_INTEL_82801CA_11, quirk_ide_trash },
+        { PCI_FIXUP_HEADER,     PCI_VENDOR_ID_INTEL,    
PCI_DEVICE_ID_INTEL_82801DB_9,  quirk_ide_trash },
        { PCI_FIXUP_FINAL,      PCI_VENDOR_ID_SI,       
PCI_DEVICE_ID_SI_5597, quirk_nopcipci },
        { PCI_FIXUP_FINAL,      PCI_VENDOR_ID_SI,       PCI_DEVICE_ID_SI_496, 
 quirk_nopcipci },
        { PCI_FIXUP_FINAL,      PCI_VENDOR_ID_VIA,      
PCI_DEVICE_ID_VIA_8363_0,       quirk_vialatency },

Re: workaround for buggy BIOSes and i845 chipsets

[Andre Hedrick]

That only clears the buffered kernel records.
2.4.19-rc3-ac2 has the proper and correct fix to deal with XP BIOS HBA
registration.

Cheers,

On Wed, 24 Jul 2002, Michal Semler wrote:

> Hello,
> Vojtech Pavlik helped me to workaround this issue. This patch is backport 
> from 2.5 to 2.4 and is applicable into 2.4.19-rc3. Maybe somebody will need 
> it too. It works correctly on my system.
> 
> Michal
> 
> Patch:
> 
> --- linux/drivers/pci/quirks.c  Sat Jul 20 11:08:15 2002
> +++ linux/drivers/pci/quirks.c  Tue Jul 23 14:51:43 2002
> @@ -471,6 +471,15 @@
>         r -> end = 0xffffff;
>  }
> 
> +static void __init quirk_ide_trash(struct pci_dev *dev)
> +{
> +        int i;
> +        for(i = 0; i < 4; i++)
> +                dev->resource[i].start = dev->resource[i].end = 
> dev->resource[i].flags = 0;
> +}
> +
> +#define PCI_DEVICE_ID_INTEL_82801DB_9   0x24cb
> +
>  /*
>   *  The main table of quirks.
>   */
> @@ -498,6 +507,9 @@
>         { PCI_FIXUP_FINAL,      PCI_VENDOR_ID_INTEL,    
> PCI_DEVICE_ID_INTEL_82443BX_0,  quirk_natoma },
>         { PCI_FIXUP_FINAL,      PCI_VENDOR_ID_INTEL,    
> PCI_DEVICE_ID_INTEL_82443BX_1,  quirk_natoma },
>         { PCI_FIXUP_FINAL,      PCI_VENDOR_ID_INTEL,    
> PCI_DEVICE_ID_INTEL_82443BX_2,  quirk_natoma },
> +       { PCI_FIXUP_HEADER,     PCI_VENDOR_ID_INTEL,    
> PCI_DEVICE_ID_INTEL_82801CA_10, quirk_ide_trash },
> +        { PCI_FIXUP_HEADER,     PCI_VENDOR_ID_INTEL,    
> PCI_DEVICE_ID_INTEL_82801CA_11, quirk_ide_trash },
> +        { PCI_FIXUP_HEADER,     PCI_VENDOR_ID_INTEL,    
> PCI_DEVICE_ID_INTEL_82801DB_9,  quirk_ide_trash },
>         { PCI_FIXUP_FINAL,      PCI_VENDOR_ID_SI,       
> PCI_DEVICE_ID_SI_5597, quirk_nopcipci },
>         { PCI_FIXUP_FINAL,      PCI_VENDOR_ID_SI,       PCI_DEVICE_ID_SI_496, 
>  quirk_nopcipci },
>         { PCI_FIXUP_FINAL,      PCI_VENDOR_ID_VIA,      
> PCI_DEVICE_ID_VIA_8363_0,       quirk_vialatency },
> -
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Andre Hedrick
LAD Storage Consulting Group