Merge branch 'devel' into next
[pandora-kernel.git] / drivers / i2c / busses / i2c-pasemi.c
index bf89eee..adf0fbb 100644 (file)
@@ -51,6 +51,7 @@ struct pasemi_smbus {
 #define MRXFIFO_DATA_M 0x000000ff
 
 #define SMSTA_XEN      0x08000000
+#define SMSTA_MTN      0x00200000
 
 #define CTL_MRR                0x00000400
 #define CTL_MTR                0x00000200
@@ -98,6 +99,10 @@ static unsigned int pasemi_smb_waitready(struct pasemi_smbus *smbus)
                status = reg_read(smbus, REG_SMSTA);
        }
 
+       /* Got NACK? */
+       if (status & SMSTA_MTN)
+               return -ENXIO;
+
        if (timeout < 0) {
                dev_warn(&smbus->dev->dev, "Timeout, status 0x%08x\n", status);
                reg_write(smbus, REG_SMSTA, status);
@@ -358,19 +363,20 @@ static int __devinit pasemi_smb_probe(struct pci_dev *dev,
        }
 
        smbus->adapter.owner = THIS_MODULE;
-       snprintf(smbus->adapter.name, I2C_NAME_SIZE,
+       snprintf(smbus->adapter.name, sizeof(smbus->adapter.name),
                 "PA Semi SMBus adapter at 0x%lx", smbus->base);
-       smbus->adapter.class = I2C_CLASS_HWMON;
+       smbus->adapter.class = I2C_CLASS_HWMON | I2C_CLASS_SPD;
        smbus->adapter.algo = &smbus_algorithm;
        smbus->adapter.algo_data = smbus;
+       smbus->adapter.nr = PCI_FUNC(dev->devfn);
 
-       /* set up the driverfs linkage to our parent device */
+       /* set up the sysfs linkage to our parent device */
        smbus->adapter.dev.parent = &dev->dev;
 
        reg_write(smbus, REG_CTL, (CTL_MTR | CTL_MRR |
                  (CLK_100K_DIV & CTL_CLK_M)));
 
-       error = i2c_add_adapter(&smbus->adapter);
+       error = i2c_add_numbered_adapter(&smbus->adapter);
        if (error)
                goto out_release_region;