On Thu, 06 Aug 2009 16:02:00 -0700, akpm@xxxxxxxxxxxxxxxxxxxx wrote:
> From: Crane Cai <crane.cai@xxxxxxx>
>
> Use driver to detect SMBus devices with Vendor ID AMD and class code is
> SMBus.
>
> Signed-off-by: Crane Cai <crane.cai@xxxxxxx>
> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
> ---
>
> drivers/i2c/busses/i2c-piix4.c | 9 +++++++--
> 1 file changed, 7 insertions(+), 2 deletions(-)
>
> diff -puN drivers/i2c/busses/i2c-piix4.c~i2c-add-support-for-new-amd-smbus-devices drivers/i2c/busses/i2c-piix4.c
> --- a/drivers/i2c/busses/i2c-piix4.c~i2c-add-support-for-new-amd-smbus-devices
> +++ a/drivers/i2c/busses/i2c-piix4.c
> @@ -479,6 +479,10 @@ static struct pci_device_id piix4_ids[]
> { PCI_DEVICE(PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_IXP300_SMBUS) },
> { PCI_DEVICE(PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_IXP400_SMBUS) },
> { PCI_DEVICE(PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_SBX00_SMBUS) },
> + /* AMD Generic, PCI class code and Vendor ID for SMBus */
> + { PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_ANY_ID),
> + .class = PCI_CLASS_SERIAL_SMBUS << 8,
> + .class_mask = 0xffffff },
> { PCI_DEVICE(PCI_VENDOR_ID_SERVERWORKS,
> PCI_DEVICE_ID_SERVERWORKS_OSB4) },
> { PCI_DEVICE(PCI_VENDOR_ID_SERVERWORKS,
> @@ -499,9 +503,10 @@ static int __devinit piix4_probe(struct
> {
> int retval;
>
> - if ((dev->vendor == PCI_VENDOR_ID_ATI) &&
> + if (((dev->vendor == PCI_VENDOR_ID_ATI) &&
> (dev->device == PCI_DEVICE_ID_ATI_SBX00_SMBUS) &&
> - (dev->revision >= 0x40))
> + (dev->revision >= 0x40)) ||
> + dev->vendor == PCI_VENDOR_ID_AMD)
> /* base address location etc changed in SB800 */
> retval = piix4_setup_sb800(dev, id);
> else
Nack:
http://marc.info/?l=linux-i2c&m=124947951705788&w=2
--
Jean Delvare
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