From mboxrd@z Thu Jan 1 00:00:00 1970 From: Crane Cai Subject: [PATCH] I2C: Add support for new AMD SMBus devices Date: Mon, 20 Jul 2009 15:31:12 +0800 Message-ID: <20090720073112.GA18219@crane-desktop> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Return-path: Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org To: khali@linux-fr.org Cc: linux-i2c@vger.kernel.org, linux-kernel@vger.kernel.org List-Id: linux-i2c@vger.kernel.org Use driver to detect SMBus devices with Vendor ID AMD and class code is SMBus. Signed-off-by: Crane Cai --- drivers/i2c/busses/i2c-piix4.c | 9 +++++++-- 1 files changed, 7 insertions(+), 2 deletions(-) diff --git a/drivers/i2c/busses/i2c-piix4.c b/drivers/i2c/busses/i2c-piix4.c index 0249a7d..034f388 100644 --- a/drivers/i2c/busses/i2c-piix4.c +++ b/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 pci_dev *dev, { 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 -- 1.6.0.4