Merge branch 'i2c-for-linus' of git://jdelvare.pck.nerim.net/jdelvare-2.6

* 'i2c-for-linus' of git://jdelvare.pck.nerim.net/jdelvare-2.6:
  i2c: Add info->archdata field
  i2c: Inform about deprecated chips directory
  i2c: Use pci_ioremap_bar()
  Schedule removal of the legacy i2c device driver binding model
  i2c: Clean up <linux/i2c.h>
  i2c: Update and clean up writing-clients document
  i2c: Drop 2-byte address block transfer defines
  i2c: Delete legacy model documentation
  i2c: Constify i2c_get_clientdata's parameter
  i2c: Delete outdated client porting guide
  i2c: Make clear what the class field of i2c_adapter is good for
  i2c-algo-pcf: Fix typo in debugging log message
  i2c-algo-pcf: Add adapter hooks around xfer begin and end
  i2c-algo-pcf: Pass adapter data into ->waitforpin() method
  i2c-i801: Add support for Intel Ibex Peak

8 files changed, 29 insertions, 9 deletions

diff --git a/drivers/i2c/algos/i2c-algo-pcf.c b/drivers/i2c/algos/i2c-algo-pcf.c
index 1e328d19cd6d..3e01992230b8 100644
--- a/drivers/i2c/algos/i2c-algo-pcf.c
+++ b/drivers/i2c/algos/i2c-algo-pcf.c
@@ -135,7 +135,7 @@ static int wait_for_pin(struct i2c_algo_pcf_data *adap, int *status) {
         *status = get_pcf(adap, 1);
 #ifndef STUB_I2C
         while (timeout-- && (*status & I2C_PCF_PIN)) {
-                adap->waitforpin();
+                adap->waitforpin(adap->data);
                 *status = get_pcf(adap, 1);
         }
         if (*status & I2C_PCF_LAB) {
@@ -208,7 +208,7 @@ static int pcf_init_8584 (struct i2c_algo_pcf_data *adap)
                 return -ENXIO;
         }
         
-        printk(KERN_DEBUG "i2c-algo-pcf.o: deteted and initialized PCF8584.\n");
+        printk(KERN_DEBUG "i2c-algo-pcf.o: detected and initialized PCF8584.\n");
 
         return 0;
 }
@@ -331,13 +331,16 @@ static int pcf_xfer(struct i2c_adapter *i2c_adap,
         int i;
         int ret=0, timeout, status;
     
+        if (adap->xfer_begin)
+                adap->xfer_begin(adap->data);
 
         /* Check for bus busy */
         timeout = wait_for_bb(adap);
         if (timeout) {
                 DEB2(printk(KERN_ERR "i2c-algo-pcf.o: "
                             "Timeout waiting for BB in pcf_xfer\n");)
-                return -EIO;
+                i = -EIO;
+                goto out;
         }
         
         for (i = 0;ret >= 0 && i < num; i++) {
@@ -359,12 +362,14 @@ static int pcf_xfer(struct i2c_adapter *i2c_adap,
                 if (timeout) {
                         if (timeout == -EINTR) {
                                 /* arbitration lost */
-                                return (-EINTR);
+                                i = -EINTR;
+                                goto out;
                         }
                         i2c_stop(adap);
                         DEB2(printk(KERN_ERR "i2c-algo-pcf.o: Timeout waiting "
                                     "for PIN(1) in pcf_xfer\n");)
-                        return (-EREMOTEIO);
+                        i = -EREMOTEIO;
+                        goto out;
                 }
     
 #ifndef STUB_I2C
@@ -372,7 +377,8 @@ static int pcf_xfer(struct i2c_adapter *i2c_adap,
                 if (status & I2C_PCF_LRB) {
                         i2c_stop(adap);
                         DEB2(printk(KERN_ERR "i2c-algo-pcf.o: No LRB(1) in pcf_xfer\n");)
-                        return (-EREMOTEIO);
+                        i = -EREMOTEIO;
+                        goto out;
                 }
 #endif
     
@@ -404,6 +410,9 @@ static int pcf_xfer(struct i2c_adapter *i2c_adap,
                 }
         }
 
+out:
+        if (adap->xfer_end)
+                adap->xfer_end(adap->data);
         return (i);
 }
 
diff --git a/drivers/i2c/busses/Kconfig b/drivers/i2c/busses/Kconfig
index acadbc51fc0f..7f95905bbb9d 100644
--- a/drivers/i2c/busses/Kconfig
+++ b/drivers/i2c/busses/Kconfig
@@ -97,6 +97,7 @@ config I2C_I801
             ICH9
             Tolapai
             ICH10
+            PCH
 
           This driver can also be built as a module.  If so, the module
           will be called i2c-i801.
diff --git a/drivers/i2c/busses/i2c-elektor.c b/drivers/i2c/busses/i2c-elektor.c
index 7f38c01fb3a0..0ed3ccb81b63 100644
--- a/drivers/i2c/busses/i2c-elektor.c
+++ b/drivers/i2c/busses/i2c-elektor.c
@@ -104,7 +104,8 @@ static int pcf_isa_getclock(void *data)
         return (clock);
 }
 
-static void pcf_isa_waitforpin(void) {
+static void pcf_isa_waitforpin(void *data)
+{
         DEFINE_WAIT(wait);
         int timeout = 2;
         unsigned long flags;
diff --git a/drivers/i2c/busses/i2c-hydra.c b/drivers/i2c/busses/i2c-hydra.c
index 1098f21ace13..648aa7baff83 100644
--- a/drivers/i2c/busses/i2c-hydra.c
+++ b/drivers/i2c/busses/i2c-hydra.c
@@ -123,7 +123,7 @@ static int __devinit hydra_probe(struct pci_dev *dev,
                                 hydra_adap.name))
                 return -EBUSY;
 
-        hydra_bit_data.data = ioremap(base, pci_resource_len(dev, 0));
+        hydra_bit_data.data = pci_ioremap_bar(dev, 0);
         if (hydra_bit_data.data == NULL) {
                 release_mem_region(base+offsetof(struct Hydra, CachePD), 4);
                 return -ENODEV;
diff --git a/drivers/i2c/busses/i2c-i801.c b/drivers/i2c/busses/i2c-i801.c
index dc7ea32b69a8..5123eb69a971 100644
--- a/drivers/i2c/busses/i2c-i801.c
+++ b/drivers/i2c/busses/i2c-i801.c
@@ -41,6 +41,7 @@
   Tolapai               0x5032     32     hard     yes     yes     yes
   ICH10                 0x3a30     32     hard     yes     yes     yes
   ICH10                 0x3a60     32     hard     yes     yes     yes
+  PCH                   0x3b30     32     hard     yes     yes     yes
 
   Features supported by this driver:
   Software PEC                     no
@@ -576,6 +577,7 @@ static struct pci_device_id i801_ids[] = {
         { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_TOLAPAI_1) },
         { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH10_4) },
         { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH10_5) },
+        { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_PCH_SMBUS) },
         { 0, }
 };
 
@@ -599,6 +601,7 @@ static int __devinit i801_probe(struct pci_dev *dev, const struct pci_device_id
         case PCI_DEVICE_ID_INTEL_TOLAPAI_1:
         case PCI_DEVICE_ID_INTEL_ICH10_4:
         case PCI_DEVICE_ID_INTEL_ICH10_5:
+        case PCI_DEVICE_ID_INTEL_PCH_SMBUS:
                 i801_features |= FEATURE_I2C_BLOCK_READ;
                 /* fall through */
         case PCI_DEVICE_ID_INTEL_82801DB_3:
diff --git a/drivers/i2c/chips/Kconfig b/drivers/i2c/chips/Kconfig
index 17356827b93d..4c35702830ce 100644
--- a/drivers/i2c/chips/Kconfig
+++ b/drivers/i2c/chips/Kconfig
@@ -1,6 +1,8 @@
 #
 # Miscellaneous I2C chip drivers configuration
 #
+# *** DEPRECATED! Do not add new entries! See Makefile ***
+#
 
 menu "Miscellaneous I2C Chip support"
 
diff --git a/drivers/i2c/chips/Makefile b/drivers/i2c/chips/Makefile
index ca520fa143d6..23d2a31b0a64 100644
--- a/drivers/i2c/chips/Makefile
+++ b/drivers/i2c/chips/Makefile
@@ -1,7 +1,8 @@
 #
 # Makefile for miscellaneous I2C chip drivers.
 #
-# Think twice before you add a new driver to this directory.
+# Do not add new drivers to this directory! It is DEPRECATED.
+#
 # Device drivers are better grouped according to the functionality they
 # implement rather than to the bus they are connected to. In particular:
 # * Hardware monitoring chip drivers go to drivers/hwmon
diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c
index 42e852d79ffa..5a485c22660a 100644
--- a/drivers/i2c/i2c-core.c
+++ b/drivers/i2c/i2c-core.c
@@ -266,6 +266,9 @@ i2c_new_device(struct i2c_adapter *adap, struct i2c_board_info const *info)
 
         client->dev.platform_data = info->platform_data;
 
+        if (info->archdata)
+                client->dev.archdata = *info->archdata;
+
         client->flags = info->flags;
         client->addr = info->addr;
         client->irq = info->irq;