From mboxrd@z Thu Jan 1 00:00:00 1970 From: akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org Subject: [patch 1/1] i2c: add support for new AMD SMBus devices Date: Thu, 06 Aug 2009 16:02:00 -0700 Message-ID: <200908062302.n76N21kf031351@imap1.linux-foundation.org> Return-path: Sender: linux-i2c-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: khali-PUYAD+kWke1g9hUCZPvPmw@public.gmane.org Cc: linux-i2c-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org, crane.cai-5C7GfCeVMHo@public.gmane.org List-Id: linux-i2c@vger.kernel.org From: Crane Cai Use driver to detect SMBus devices with Vendor ID AMD and class code is SMBus. Signed-off-by: Crane Cai Signed-off-by: Andrew Morton --- 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 _