Merge branch 'for-3.7' of git://git.infradead.org/users/dedekind/l2-mtd

Conflicts:
	drivers/mtd/nand/nand_base.c

11 files changed, 77 insertions, 31 deletions

diff --git a/drivers/char/Makefile b/drivers/char/Makefile
index d0b27a39f1d4..7ff1d0d208a7 100644
--- a/drivers/char/Makefile
+++ b/drivers/char/Makefile
@@ -52,7 +52,6 @@ obj-$(CONFIG_TELCLOCK)		+= tlclk.o
 obj-$(CONFIG_MWAVE)             += mwave/
 obj-$(CONFIG_AGP)               += agp/
 obj-$(CONFIG_PCMCIA)            += pcmcia/
-obj-$(CONFIG_IPMI_HANDLER)      += ipmi/
 
 obj-$(CONFIG_HANGCHECK_TIMER)   += hangcheck-timer.o
 obj-$(CONFIG_TCG_TPM)           += tpm/
diff --git a/drivers/char/agp/intel-gtt.c b/drivers/char/agp/intel-gtt.c
index e01f5eaaec82..38390f7c6ab6 100644
--- a/drivers/char/agp/intel-gtt.c
+++ b/drivers/char/agp/intel-gtt.c
@@ -667,7 +667,7 @@ static int intel_gtt_init(void)
         gtt_map_size = intel_private.base.gtt_total_entries * 4;
 
         intel_private.gtt = NULL;
-        if (INTEL_GTT_GEN < 6)
+        if (INTEL_GTT_GEN < 6 && INTEL_GTT_GEN > 2)
                 intel_private.gtt = ioremap_wc(intel_private.gtt_bus_addr,
                                                gtt_map_size);
         if (intel_private.gtt == NULL)
diff --git a/drivers/char/ds1620.c b/drivers/char/ds1620.c
index aab9605f0b43..24ffd8cec51e 100644
--- a/drivers/char/ds1620.c
+++ b/drivers/char/ds1620.c
@@ -74,21 +74,21 @@ static inline void netwinder_ds1620_reset(void)
 
 static inline void netwinder_lock(unsigned long *flags)
 {
-        spin_lock_irqsave(&nw_gpio_lock, *flags);
+        raw_spin_lock_irqsave(&nw_gpio_lock, *flags);
 }
 
 static inline void netwinder_unlock(unsigned long *flags)
 {
-        spin_unlock_irqrestore(&nw_gpio_lock, *flags);
+        raw_spin_unlock_irqrestore(&nw_gpio_lock, *flags);
 }
 
 static inline void netwinder_set_fan(int i)
 {
         unsigned long flags;
 
-        spin_lock_irqsave(&nw_gpio_lock, flags);
+        raw_spin_lock_irqsave(&nw_gpio_lock, flags);
         nw_gpio_modify_op(GPIO_FAN, i ? GPIO_FAN : 0);
-        spin_unlock_irqrestore(&nw_gpio_lock, flags);
+        raw_spin_unlock_irqrestore(&nw_gpio_lock, flags);
 }
 
 static inline int netwinder_get_fan(void)
diff --git a/drivers/char/ipmi/ipmi_msghandler.c b/drivers/char/ipmi/ipmi_msghandler.c
index 2c29942b1326..a0c84bb30856 100644
--- a/drivers/char/ipmi/ipmi_msghandler.c
+++ b/drivers/char/ipmi/ipmi_msghandler.c
@@ -1880,7 +1880,7 @@ int ipmi_request_supply_msgs(ipmi_user_t          user,
                              struct ipmi_recv_msg *supplied_recv,
                              int                  priority)
 {
-        unsigned char saddr, lun;
+        unsigned char saddr = 0, lun = 0;
         int           rv;
 
         if (!user)
diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c
index 83f85cf7fb1b..32a6c7e256bd 100644
--- a/drivers/char/ipmi/ipmi_si_intf.c
+++ b/drivers/char/ipmi/ipmi_si_intf.c
@@ -2424,6 +2424,38 @@ static void ipmi_pci_cleanup(struct smi_info *info)
         pci_disable_device(pdev);
 }
 
+static int __devinit ipmi_pci_probe_regspacing(struct smi_info *info)
+{
+        if (info->si_type == SI_KCS) {
+                unsigned char   status;
+                int             regspacing;
+
+                info->io.regsize = DEFAULT_REGSIZE;
+                info->io.regshift = 0;
+                info->io_size = 2;
+                info->handlers = &kcs_smi_handlers;
+
+                /* detect 1, 4, 16byte spacing */
+                for (regspacing = DEFAULT_REGSPACING; regspacing <= 16;) {
+                        info->io.regspacing = regspacing;
+                        if (info->io_setup(info)) {
+                                dev_err(info->dev,
+                                        "Could not setup I/O space\n");
+                                return DEFAULT_REGSPACING;
+                        }
+                        /* write invalid cmd */
+                        info->io.outputb(&info->io, 1, 0x10);
+                        /* read status back */
+                        status = info->io.inputb(&info->io, 1);
+                        info->io_cleanup(info);
+                        if (status)
+                                return regspacing;
+                        regspacing *= 4;
+                }
+        }
+        return DEFAULT_REGSPACING;
+}
+
 static int __devinit ipmi_pci_probe(struct pci_dev *pdev,
                                     const struct pci_device_id *ent)
 {
@@ -2476,8 +2508,8 @@ static int __devinit ipmi_pci_probe(struct pci_dev *pdev,
         }
         info->io.addr_data = pci_resource_start(pdev, 0);
 
-        info->io.regspacing = DEFAULT_REGSPACING;
-        info->io.regsize = DEFAULT_REGSPACING;
+        info->io.regspacing = ipmi_pci_probe_regspacing(info);
+        info->io.regsize = DEFAULT_REGSIZE;
         info->io.regshift = 0;
 
         info->irq = pdev->irq;
diff --git a/drivers/char/nwflash.c b/drivers/char/nwflash.c
index a0e2f7d70355..e371480d3639 100644
--- a/drivers/char/nwflash.c
+++ b/drivers/char/nwflash.c
@@ -583,9 +583,9 @@ static void kick_open(void)
          * we want to write a bit pattern XXX1 to Xilinx to enable
          * the write gate, which will be open for about the next 2ms.
          */
-        spin_lock_irqsave(&nw_gpio_lock, flags);
+        raw_spin_lock_irqsave(&nw_gpio_lock, flags);
         nw_cpld_modify(CPLD_FLASH_WR_ENABLE, CPLD_FLASH_WR_ENABLE);
-        spin_unlock_irqrestore(&nw_gpio_lock, flags);
+        raw_spin_unlock_irqrestore(&nw_gpio_lock, flags);
 
         /*
          * let the ISA bus to catch on...
diff --git a/drivers/char/raw.c b/drivers/char/raw.c
index 54a3a6d09819..0bb207eaef2f 100644
--- a/drivers/char/raw.c
+++ b/drivers/char/raw.c
@@ -285,7 +285,7 @@ static long raw_ctl_compat_ioctl(struct file *file, unsigned int cmd,
 
 static const struct file_operations raw_fops = {
         .read           = do_sync_read,
-        .aio_read       = generic_file_aio_read,
+        .aio_read       = blkdev_aio_read,
         .write          = do_sync_write,
         .aio_write      = blkdev_aio_write,
         .fsync          = blkdev_fsync,
diff --git a/drivers/char/sonypi.c b/drivers/char/sonypi.c
index 320debbe32fa..9b4f0116ff21 100644
--- a/drivers/char/sonypi.c
+++ b/drivers/char/sonypi.c
@@ -1456,7 +1456,7 @@ static int __devexit sonypi_remove(struct platform_device *dev)
         return 0;
 }
 
-#ifdef CONFIG_PM
+#ifdef CONFIG_PM_SLEEP
 static int old_camera_power;
 
 static int sonypi_suspend(struct device *dev)
diff --git a/drivers/char/tpm/tpm.c b/drivers/char/tpm/tpm.c
index f26afdb1a702..93211df52aab 100644
--- a/drivers/char/tpm/tpm.c
+++ b/drivers/char/tpm/tpm.c
@@ -1182,17 +1182,20 @@ ssize_t tpm_write(struct file *file, const char __user *buf,
                   size_t size, loff_t *off)
 {
         struct tpm_chip *chip = file->private_data;
-        size_t in_size = size, out_size;
+        size_t in_size = size;
+        ssize_t out_size;
 
         /* cannot perform a write until the read has cleared
-           either via tpm_read or a user_read_timer timeout */
-        while (atomic_read(&chip->data_pending) != 0)
-                msleep(TPM_TIMEOUT);
-
-        mutex_lock(&chip->buffer_mutex);
+           either via tpm_read or a user_read_timer timeout.
+           This also prevents splitted buffered writes from blocking here.
+        */
+        if (atomic_read(&chip->data_pending) != 0)
+                return -EBUSY;
 
         if (in_size > TPM_BUFSIZE)
-                in_size = TPM_BUFSIZE;
+                return -E2BIG;
+
+        mutex_lock(&chip->buffer_mutex);
 
         if (copy_from_user
             (chip->data_buffer, (void __user *) buf, in_size)) {
@@ -1202,6 +1205,10 @@ ssize_t tpm_write(struct file *file, const char __user *buf,
 
         /* atomic tpm command send and result receive */
         out_size = tpm_transmit(chip, chip->data_buffer, TPM_BUFSIZE);
+        if (out_size < 0) {
+                mutex_unlock(&chip->buffer_mutex);
+                return out_size;
+        }
 
         atomic_set(&chip->data_pending, out_size);
         mutex_unlock(&chip->buffer_mutex);
@@ -1259,6 +1266,7 @@ void tpm_remove_hardware(struct device *dev)
 
         misc_deregister(&chip->vendor.miscdev);
         sysfs_remove_group(&dev->kobj, chip->vendor.attr_group);
+        tpm_remove_ppi(&dev->kobj);
         tpm_bios_log_teardown(chip->bios_dir);
 
         /* write it this way to be explicit (chip->dev == dev) */
@@ -1476,7 +1484,7 @@ struct tpm_chip *tpm_register_hardware(struct device *dev,
                 goto put_device;
         }
 
-        if (sys_add_ppi(&dev->kobj)) {
+        if (tpm_add_ppi(&dev->kobj)) {
                 misc_deregister(&chip->vendor.miscdev);
                 goto put_device;
         }
diff --git a/drivers/char/tpm/tpm.h b/drivers/char/tpm/tpm.h
index 02c266aa2bf7..8ef7649a50aa 100644
--- a/drivers/char/tpm/tpm.h
+++ b/drivers/char/tpm/tpm.h
@@ -329,10 +329,15 @@ extern int wait_for_tpm_stat(struct tpm_chip *, u8, unsigned long,
                              wait_queue_head_t *);
 
 #ifdef CONFIG_ACPI
-extern ssize_t sys_add_ppi(struct kobject *parent);
+extern int tpm_add_ppi(struct kobject *);
+extern void tpm_remove_ppi(struct kobject *);
 #else
-static inline ssize_t sys_add_ppi(struct kobject *parent)
+static inline int tpm_add_ppi(struct kobject *parent)
 {
         return 0;
 }
+
+static inline void tpm_remove_ppi(struct kobject *parent)
+{
+}
 #endif
diff --git a/drivers/char/tpm/tpm_ppi.c b/drivers/char/tpm/tpm_ppi.c
index f27b58cfae98..720ebcf29fdf 100644
--- a/drivers/char/tpm/tpm_ppi.c
+++ b/drivers/char/tpm/tpm_ppi.c
@@ -444,18 +444,20 @@ static struct attribute *ppi_attrs[] = {
         &dev_attr_vs_operations.attr, NULL,
 };
 static struct attribute_group ppi_attr_grp = {
+        .name = "ppi",
         .attrs = ppi_attrs
 };
 
-ssize_t sys_add_ppi(struct kobject *parent)
+int tpm_add_ppi(struct kobject *parent)
 {
-        struct kobject *ppi;
-        ppi = kobject_create_and_add("ppi", parent);
-        if (sysfs_create_group(ppi, &ppi_attr_grp))
-                return -EFAULT;
-        else
-                return 0;
+        return sysfs_create_group(parent, &ppi_attr_grp);
+}
+EXPORT_SYMBOL_GPL(tpm_add_ppi);
+
+void tpm_remove_ppi(struct kobject *parent)
+{
+        sysfs_remove_group(parent, &ppi_attr_grp);
 }
-EXPORT_SYMBOL_GPL(sys_add_ppi);
+EXPORT_SYMBOL_GPL(tpm_remove_ppi);
 
 MODULE_LICENSE("GPL");