Merge kroah.com:/home/greg/linux/BK/i2c-2.6

into kroah.com:/home/greg/linux/BK/i2c-new_drivers-2.6

Makefile

 VERSION = 2
 PATCHLEVEL = 6
 SUBLEVEL = 0
-EXTRAVERSION = -test11
+EXTRAVERSION =
 
 # *DOCUMENTATION*
 # To see a list of typical targets execute "make help"

drivers/i2c/busses/i2c-amd756.c

@@ -215,9 +215,8 @@ static s32 amd756_access(struct i2c_adapter * adap, u16 addr,
 	case I2C_SMBUS_BYTE:
 		outw_p(((addr & 0x7f) << 1) | (read_write & 0x01),
 		       SMB_HOST_ADDRESS);
-		/* TODO: Why only during write? */
 		if (read_write == I2C_SMBUS_WRITE)
-			outb_p(command, SMB_HOST_COMMAND);
+			outb_p(command, SMB_HOST_DATA);
 		size = AMD756_BYTE;
 		break;
 	case I2C_SMBUS_BYTE_DATA:

drivers/i2c/busses/i2c-amd8111.c

@@ -192,7 +192,7 @@ s32 amd8111_access(struct i2c_adapter * adap, u16 addr, unsigned short flags,
 
 		case I2C_SMBUS_BYTE:
 			if (read_write == I2C_SMBUS_WRITE)
-				amd_ec_write(smbus, AMD_SMB_DATA, data->byte);
+				amd_ec_write(smbus, AMD_SMB_CMD, command);
 			protocol |= AMD_SMB_PRTCL_BYTE;
 			break;
 

drivers/i2c/busses/i2c-piix4.c

@@ -99,6 +99,13 @@ MODULE_PARM_DESC(force_addr,
 		 "Forcibly enable the PIIX4 at the given address. "
 		 "EXTREMELY DANGEROUS!");
 
+/* If fix_hstcfg is set to anything different from 0, we reset one of the
+   registers to be a valid value. */
+static int fix_hstcfg = 0;
+MODULE_PARM(fix_hstcfg, "i");
+MODULE_PARM_DESC(fix_hstcfg,
+		"Fix config register. Needed on some boards (Force CPCI735).");
+
 static int piix4_transaction(void);
 
 
@@ -164,9 +171,17 @@ static int piix4_setup(struct pci_dev *PIIX4_dev, const struct pci_device_id *id
 	/* Some BIOS will set up the chipset incorrectly and leave a register
 	   in an undefined state (causing I2C to act very strangely). */
 	if (temp & 0x02) {
-		dev_info(&PIIX4_dev->dev, "Worked around buggy BIOS (I2C)\n");
-		temp = temp & 0xfd;
+		if (fix_hstcfg) {
+			dev_info(&PIIX4_dev->dev, "Working around buggy BIOS "
+					"(I2C)\n");
+			temp &= 0xfd;
 			pci_write_config_byte(PIIX4_dev, SMBHSTCFG, temp);
+		} else {
+			dev_info(&PIIX4_dev->dev, "Unusual config register "
+					"value\n");
+			dev_info(&PIIX4_dev->dev, "Try using fix_hstcfg=1 if "
+					"you experience problems\n");
+		}
 	}
  
 	/* If force_addr is set, we program the new address here. Just to make