i2c-nomadik: release region when removed

[safe/jmp/linux-2.6] / drivers / i2c / busses / i2c-pasemi.c

diff --git a/drivers/i2c/busses/i2c-pasemi.c b/drivers/i2c/busses/i2c-pasemi.c
index 79c72df..d3d4a4b 100644 (file)
--- a/drivers/i2c/busses/i2c-pasemi.c
+++ b/drivers/i2c/busses/i2c-pasemi.c
@@ -24,6 +24,7 @@
 #include <linux/sched.h>
 #include <linux/i2c.h>
 #include <linux/delay.h>
+#include <linux/slab.h>
 #include <asm/io.h>
 
 static struct pci_driver pasemi_smb_driver;
@@ -51,6 +52,7 @@ 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 +100,10 @@ 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);
@@ -360,9 +366,10 @@ static int __devinit pasemi_smb_probe(struct pci_dev *dev,
        smbus->adapter.owner = THIS_MODULE;
        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 sysfs linkage to our parent device */
        smbus->adapter.dev.parent = &dev->dev;
@@ -370,7 +377,7 @@ static int __devinit pasemi_smb_probe(struct pci_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;
 
@@ -394,7 +401,7 @@ static void __devexit pasemi_smb_remove(struct pci_dev *dev)
        kfree(smbus);
 }
 
-static struct pci_device_id pasemi_smb_ids[] = {
+static const struct pci_device_id pasemi_smb_ids[] = {
        { PCI_DEVICE(0x1959, 0xa003) },
        { 0, }
 };