Merge tag 'char-misc-3.6-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc

Pull Char / Misc driver fixes from Greg Kroah-Hartman:
 "Here are some small misc and w1 driver fixes for 3.6-rc3.  Nothing
  major, just some some bugfixes and a new device id for a w1 driver.

  Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>"

* tag 'char-misc-3.6-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
  1-Wire: Add support for the maxim ds1825 temperature sensor
  ti-st: Fix check for pdata->chip_awake function pointer
  mei: add mei_quirk_probe function
  mei: fix device stall after wd is stopped

6 files changed, 41 insertions, 2 deletions

diff --git a/Documentation/w1/slaves/w1_therm b/Documentation/w1/slaves/w1_therm
index 0403aaaba878..874a8ca93feb 100644
--- a/Documentation/w1/slaves/w1_therm
+++ b/Documentation/w1/slaves/w1_therm
@@ -3,6 +3,7 @@ Kernel driver w1_therm
 
 Supported chips:
   * Maxim ds18*20 based temperature sensors.
+  * Maxim ds1825 based temperature sensors.
 
 Author: Evgeniy Polyakov <johnpol@2ka.mipt.ru>
 
@@ -15,6 +16,7 @@ supported family codes:
 W1_THERM_DS18S20        0x10
 W1_THERM_DS1822         0x22
 W1_THERM_DS18B20        0x28
+W1_THERM_DS1825         0x3B
 
 Support is provided through the sysfs w1_slave file.  Each open and
 read sequence will initiate a temperature conversion then provide two
diff --git a/drivers/misc/mei/interrupt.c b/drivers/misc/mei/interrupt.c
index c6ffbbe5a6c0..d78c05e693f7 100644
--- a/drivers/misc/mei/interrupt.c
+++ b/drivers/misc/mei/interrupt.c
@@ -1253,7 +1253,7 @@ static int mei_irq_thread_write_handler(struct mei_io_list *cmpl_list,
                         if (dev->wd_timeout)
                                 *slots -= mei_data2slots(MEI_START_WD_DATA_SIZE);
                         else
-                                *slots -= mei_data2slots(MEI_START_WD_DATA_SIZE);
+                                *slots -= mei_data2slots(MEI_WD_PARAMS_SIZE);
                 }
         }
         if (dev->stop)
diff --git a/drivers/misc/mei/main.c b/drivers/misc/mei/main.c
index 092330208869..7422c7652845 100644
--- a/drivers/misc/mei/main.c
+++ b/drivers/misc/mei/main.c
@@ -925,6 +925,27 @@ static struct miscdevice  mei_misc_device = {
 };
 
 /**
+ * mei_quirk_probe - probe for devices that doesn't valid ME interface
+ * @pdev: PCI device structure
+ * @ent: entry into pci_device_table
+ *
+ * returns true if ME Interface is valid, false otherwise
+ */
+static bool __devinit mei_quirk_probe(struct pci_dev *pdev,
+                                const struct pci_device_id *ent)
+{
+        u32 reg;
+        if (ent->device == MEI_DEV_ID_PBG_1) {
+                pci_read_config_dword(pdev, 0x48, &reg);
+                /* make sure that bit 9 is up and bit 10 is down */
+                if ((reg & 0x600) == 0x200) {
+                        dev_info(&pdev->dev, "Device doesn't have valid ME Interface\n");
+                        return false;
+                }
+        }
+        return true;
+}
+/**
  * mei_probe - Device Initialization Routine
  *
  * @pdev: PCI device structure
@@ -939,6 +960,12 @@ static int __devinit mei_probe(struct pci_dev *pdev,
         int err;
 
         mutex_lock(&mei_mutex);
+
+        if (!mei_quirk_probe(pdev, ent)) {
+                err = -ENODEV;
+                goto end;
+        }
+
         if (mei_device) {
                 err = -EEXIST;
                 goto end;
diff --git a/drivers/misc/ti-st/st_ll.c b/drivers/misc/ti-st/st_ll.c
index 1ff460a8e9c7..93b4d67cc4a3 100644
--- a/drivers/misc/ti-st/st_ll.c
+++ b/drivers/misc/ti-st/st_ll.c
@@ -87,7 +87,7 @@ static void ll_device_want_to_wakeup(struct st_data_s *st_data)
         /* communicate to platform about chip wakeup */
         kim_data = st_data->kim_data;
         pdata = kim_data->kim_pdev->dev.platform_data;
-        if (pdata->chip_asleep)
+        if (pdata->chip_awake)
                 pdata->chip_awake(NULL);
 }
 
diff --git a/drivers/w1/slaves/w1_therm.c b/drivers/w1/slaves/w1_therm.c
index d90062b211f8..92d08e7fcba2 100644
--- a/drivers/w1/slaves/w1_therm.c
+++ b/drivers/w1/slaves/w1_therm.c
@@ -91,6 +91,11 @@ static struct w1_family w1_therm_family_DS28EA00 = {
         .fops = &w1_therm_fops,
 };
 
+static struct w1_family w1_therm_family_DS1825 = {
+        .fid = W1_THERM_DS1825,
+        .fops = &w1_therm_fops,
+};
+
 struct w1_therm_family_converter
 {
         u8                      broken;
@@ -120,6 +125,10 @@ static struct w1_therm_family_converter w1_therm_families[] = {
                 .f              = &w1_therm_family_DS28EA00,
                 .convert        = w1_DS18B20_convert_temp
         },
+        {
+                .f              = &w1_therm_family_DS1825,
+                .convert        = w1_DS18B20_convert_temp
+        }
 };
 
 static inline int w1_DS18B20_convert_temp(u8 rom[9])
diff --git a/drivers/w1/w1_family.h b/drivers/w1/w1_family.h
index b00ada44a89b..a1f0ce151d53 100644
--- a/drivers/w1/w1_family.h
+++ b/drivers/w1/w1_family.h
@@ -39,6 +39,7 @@
 #define W1_EEPROM_DS2431        0x2D
 #define W1_FAMILY_DS2760        0x30
 #define W1_FAMILY_DS2780        0x32
+#define W1_THERM_DS1825         0x3B
 #define W1_FAMILY_DS2781        0x3D
 #define W1_THERM_DS28EA00       0x42