18 files changed, 124 insertions, 42 deletions

diff --git a/Documentation/devicetree/bindings/gpio/led.txt b/Documentation/devicetree/bindings/gpio/led.txt
index 141087cf3107..fd2bd56e7195 100644
--- a/Documentation/devicetree/bindings/gpio/led.txt
+++ b/Documentation/devicetree/bindings/gpio/led.txt
@@ -7,9 +7,9 @@ Each LED is represented as a sub-node of the gpio-leds device.  Each
 node's name represents the name of the corresponding LED.
 
 LED sub-node properties:
-- gpios :  Should specify the LED's GPIO, see "Specifying GPIO information
-  for devices" in Documentation/devicetree/booting-without-of.txt.  Active
-  low LEDs should be indicated using flags in the GPIO specifier.
+- gpios :  Should specify the LED's GPIO, see "gpios property" in
+  Documentation/devicetree/gpio.txt.  Active low LEDs should be
+  indicated using flags in the GPIO specifier.
 - label :  (optional) The label for this LED.  If omitted, the label is
   taken from the node name (excluding the unit address).
 - linux,default-trigger :  (optional) This parameter, if present, is a
diff --git a/Documentation/devicetree/bindings/vendor-prefixes.txt b/Documentation/devicetree/bindings/vendor-prefixes.txt
index ecc6a6cd26c1..a20008ab319a 100644
--- a/Documentation/devicetree/bindings/vendor-prefixes.txt
+++ b/Documentation/devicetree/bindings/vendor-prefixes.txt
@@ -30,6 +30,7 @@ national	National Semiconductor
 nintendo        Nintendo
 nvidia  NVIDIA
 nxp     NXP Semiconductors
+picochip        Picochip Ltd
 powervr Imagination Technologies
 qcom    Qualcomm, Inc.
 ramtron Ramtron International
diff --git a/Documentation/hwmon/jc42 b/Documentation/hwmon/jc42
index a22ecf48f255..52729a756c1b 100644
--- a/Documentation/hwmon/jc42
+++ b/Documentation/hwmon/jc42
@@ -7,21 +7,29 @@ Supported chips:
     Addresses scanned: I2C 0x18 - 0x1f
     Datasheets:
         http://www.analog.com/static/imported-files/data_sheets/ADT7408.pdf
-  * IDT TSE2002B3, TS3000B3
-    Prefix: 'tse2002b3', 'ts3000b3'
+  * Atmel AT30TS00
+    Prefix: 'at30ts00'
     Addresses scanned: I2C 0x18 - 0x1f
     Datasheets:
-        http://www.idt.com/products/getdoc.cfm?docid=18715691
-        http://www.idt.com/products/getdoc.cfm?docid=18715692
+        http://www.atmel.com/Images/doc8585.pdf
+  * IDT TSE2002B3, TSE2002GB2, TS3000B3, TS3000GB2
+    Prefix: 'tse2002', 'ts3000'
+    Addresses scanned: I2C 0x18 - 0x1f
+    Datasheets:
+        http://www.idt.com/sites/default/files/documents/IDT_TSE2002B3C_DST_20100512_120303152056.pdf
+        http://www.idt.com/sites/default/files/documents/IDT_TSE2002GB2A1_DST_20111107_120303145914.pdf
+        http://www.idt.com/sites/default/files/documents/IDT_TS3000B3A_DST_20101129_120303152013.pdf
+        http://www.idt.com/sites/default/files/documents/IDT_TS3000GB2A1_DST_20111104_120303151012.pdf
   * Maxim MAX6604
     Prefix: 'max6604'
     Addresses scanned: I2C 0x18 - 0x1f
     Datasheets:
         http://datasheets.maxim-ic.com/en/ds/MAX6604.pdf
-  * Microchip MCP9805, MCP98242, MCP98243, MCP9843
-    Prefixes: 'mcp9805', 'mcp98242', 'mcp98243', 'mcp9843'
+  * Microchip MCP9804, MCP9805, MCP98242, MCP98243, MCP9843
+    Prefixes: 'mcp9804', 'mcp9805', 'mcp98242', 'mcp98243', 'mcp9843'
     Addresses scanned: I2C 0x18 - 0x1f
     Datasheets:
+        http://ww1.microchip.com/downloads/en/DeviceDoc/22203C.pdf
         http://ww1.microchip.com/downloads/en/DeviceDoc/21977b.pdf
         http://ww1.microchip.com/downloads/en/DeviceDoc/21996a.pdf
         http://ww1.microchip.com/downloads/en/DeviceDoc/22153c.pdf
@@ -48,6 +56,12 @@ Supported chips:
     Datasheets:
         http://www.st.com/stonline/products/literature/ds/13447/stts424.pdf
         http://www.st.com/stonline/products/literature/ds/13448/stts424e02.pdf
+  * ST Microelectronics STTS2002, STTS3000
+    Prefix: 'stts2002', 'stts3000'
+    Addresses scanned: I2C 0x18 - 0x1f
+    Datasheets:
+        http://www.st.com/internet/com/TECHNICAL_RESOURCES/TECHNICAL_LITERATURE/DATASHEET/CD00225278.pdf
+        http://www.st.com/internet/com/TECHNICAL_RESOURCES/TECHNICAL_LITERATURE/DATA_BRIEF/CD00270920.pdf
   * JEDEC JC 42.4 compliant temperature sensor chips
     Prefix: 'jc42'
     Addresses scanned: I2C 0x18 - 0x1f
diff --git a/arch/arm/boot/.gitignore b/arch/arm/boot/.gitignore
index ce1c5ff746e7..3c79f85975aa 100644
--- a/arch/arm/boot/.gitignore
+++ b/arch/arm/boot/.gitignore
@@ -3,3 +3,4 @@ zImage
 xipImage
 bootpImage
 uImage
+*.dtb
diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig
index 02260406b9e4..dad895fec62a 100644
--- a/drivers/hwmon/Kconfig
+++ b/drivers/hwmon/Kconfig
@@ -497,8 +497,9 @@ config SENSORS_JC42
           If you say yes here, you get support for JEDEC JC42.4 compliant
           temperature sensors, which are used on many DDR3 memory modules for
           mobile devices and servers.  Support will include, but not be limited
-          to, ADT7408, CAT34TS02, CAT6095, MAX6604, MCP9805, MCP98242, MCP98243,
-          MCP9843, SE97, SE98, STTS424(E), TSE2002B3, and TS3000B3.
+          to, ADT7408, AT30TS00, CAT34TS02, CAT6095, MAX6604, MCP9804, MCP9805,
+          MCP98242, MCP98243, MCP9843, SE97, SE98, STTS424(E), STTS2002,
+          STTS3000, TSE2002B3, TSE2002GB2, TS3000B3, and TS3000GB2.
 
           This driver can also be built as a module.  If so, the module
           will be called jc42.
diff --git a/drivers/hwmon/jc42.c b/drivers/hwmon/jc42.c
index 28c09eead36b..b927ee5ccdd7 100644
--- a/drivers/hwmon/jc42.c
+++ b/drivers/hwmon/jc42.c
@@ -64,6 +64,7 @@ static const unsigned short normal_i2c[] = {
 
 /* Manufacturer IDs */
 #define ADT_MANID               0x11d4  /* Analog Devices */
+#define ATMEL_MANID             0x001f  /* Atmel */
 #define MAX_MANID               0x004d  /* Maxim */
 #define IDT_MANID               0x00b3  /* IDT */
 #define MCP_MANID               0x0054  /* Microchip */
@@ -77,15 +78,25 @@ static const unsigned short normal_i2c[] = {
 #define ADT7408_DEVID           0x0801
 #define ADT7408_DEVID_MASK      0xffff
 
+/* Atmel */
+#define AT30TS00_DEVID          0x8201
+#define AT30TS00_DEVID_MASK     0xffff
+
 /* IDT */
 #define TS3000B3_DEVID          0x2903  /* Also matches TSE2002B3 */
 #define TS3000B3_DEVID_MASK     0xffff
 
+#define TS3000GB2_DEVID         0x2912  /* Also matches TSE2002GB2 */
+#define TS3000GB2_DEVID_MASK    0xffff
+
 /* Maxim */
 #define MAX6604_DEVID           0x3e00
 #define MAX6604_DEVID_MASK      0xffff
 
 /* Microchip */
+#define MCP9804_DEVID           0x0200
+#define MCP9804_DEVID_MASK      0xfffc
+
 #define MCP98242_DEVID          0x2000
 #define MCP98242_DEVID_MASK     0xfffc
 
@@ -113,6 +124,12 @@ static const unsigned short normal_i2c[] = {
 #define STTS424E_DEVID          0x0000
 #define STTS424E_DEVID_MASK     0xfffe
 
+#define STTS2002_DEVID          0x0300
+#define STTS2002_DEVID_MASK     0xffff
+
+#define STTS3000_DEVID          0x0200
+#define STTS3000_DEVID_MASK     0xffff
+
 static u16 jc42_hysteresis[] = { 0, 1500, 3000, 6000 };
 
 struct jc42_chips {
@@ -123,8 +140,11 @@ struct jc42_chips {
 
 static struct jc42_chips jc42_chips[] = {
         { ADT_MANID, ADT7408_DEVID, ADT7408_DEVID_MASK },
+        { ATMEL_MANID, AT30TS00_DEVID, AT30TS00_DEVID_MASK },
         { IDT_MANID, TS3000B3_DEVID, TS3000B3_DEVID_MASK },
+        { IDT_MANID, TS3000GB2_DEVID, TS3000GB2_DEVID_MASK },
         { MAX_MANID, MAX6604_DEVID, MAX6604_DEVID_MASK },
+        { MCP_MANID, MCP9804_DEVID, MCP9804_DEVID_MASK },
         { MCP_MANID, MCP98242_DEVID, MCP98242_DEVID_MASK },
         { MCP_MANID, MCP98243_DEVID, MCP98243_DEVID_MASK },
         { MCP_MANID, MCP9843_DEVID, MCP9843_DEVID_MASK },
@@ -133,6 +153,8 @@ static struct jc42_chips jc42_chips[] = {
         { NXP_MANID, SE98_DEVID, SE98_DEVID_MASK },
         { STM_MANID, STTS424_DEVID, STTS424_DEVID_MASK },
         { STM_MANID, STTS424E_DEVID, STTS424E_DEVID_MASK },
+        { STM_MANID, STTS2002_DEVID, STTS2002_DEVID_MASK },
+        { STM_MANID, STTS3000_DEVID, STTS3000_DEVID_MASK },
 };
 
 /* Each client has this additional data */
@@ -159,10 +181,12 @@ static struct jc42_data *jc42_update_device(struct device *dev);
 
 static const struct i2c_device_id jc42_id[] = {
         { "adt7408", 0 },
+        { "at30ts00", 0 },
         { "cat94ts02", 0 },
         { "cat6095", 0 },
         { "jc42", 0 },
         { "max6604", 0 },
+        { "mcp9804", 0 },
         { "mcp9805", 0 },
         { "mcp98242", 0 },
         { "mcp98243", 0 },
@@ -171,8 +195,10 @@ static const struct i2c_device_id jc42_id[] = {
         { "se97b", 0 },
         { "se98", 0 },
         { "stts424", 0 },
-        { "tse2002b3", 0 },
-        { "ts3000b3", 0 },
+        { "stts2002", 0 },
+        { "stts3000", 0 },
+        { "tse2002", 0 },
+        { "ts3000", 0 },
         { }
 };
 MODULE_DEVICE_TABLE(i2c, jc42_id);
diff --git a/drivers/hwmon/pmbus/pmbus_core.c b/drivers/hwmon/pmbus/pmbus_core.c
index 00460d8d8423..d89b33967a85 100644
--- a/drivers/hwmon/pmbus/pmbus_core.c
+++ b/drivers/hwmon/pmbus/pmbus_core.c
@@ -54,7 +54,8 @@
                                                    lcrit_alarm, crit_alarm */
 #define PMBUS_IOUT_BOOLEANS_PER_PAGE    3       /* alarm, lcrit_alarm,
                                                    crit_alarm */
-#define PMBUS_POUT_BOOLEANS_PER_PAGE    2       /* alarm, crit_alarm */
+#define PMBUS_POUT_BOOLEANS_PER_PAGE    3       /* cap_alarm, alarm, crit_alarm
+                                                 */
 #define PMBUS_MAX_BOOLEANS_PER_FAN      2       /* alarm, fault */
 #define PMBUS_MAX_BOOLEANS_PER_TEMP     4       /* min_alarm, max_alarm,
                                                    lcrit_alarm, crit_alarm */
diff --git a/drivers/hwmon/pmbus/zl6100.c b/drivers/hwmon/pmbus/zl6100.c
index 48c7b4a716ae..880b90cf4d32 100644
--- a/drivers/hwmon/pmbus/zl6100.c
+++ b/drivers/hwmon/pmbus/zl6100.c
@@ -33,6 +33,7 @@ enum chips { zl2004, zl2005, zl2006, zl2008, zl2105, zl2106, zl6100, zl6105 };
 struct zl6100_data {
         int id;
         ktime_t access;         /* chip access time */
+        int delay;              /* Delay between chip accesses in uS */
         struct pmbus_driver_info info;
 };
 
@@ -52,10 +53,10 @@ MODULE_PARM_DESC(delay, "Delay between chip accesses in uS");
 /* Some chips need a delay between accesses */
 static inline void zl6100_wait(const struct zl6100_data *data)
 {
-        if (delay) {
+        if (data->delay) {
                 s64 delta = ktime_us_delta(ktime_get(), data->access);
-                if (delta < delay)
-                        udelay(delay - delta);
+                if (delta < data->delay)
+                        udelay(data->delay - delta);
         }
 }
 
@@ -207,8 +208,9 @@ static int zl6100_probe(struct i2c_client *client,
          * can be cleared later for additional chips if tests show that it
          * is not needed (in other words, better be safe than sorry).
          */
+        data->delay = delay;
         if (data->id == zl2004 || data->id == zl6105)
-                delay = 0;
+                data->delay = 0;
 
         /*
          * Since there was a direct I2C device access above, wait before
diff --git a/drivers/md/dm-flakey.c b/drivers/md/dm-flakey.c
index 9fb18c147825..b280c433e4a0 100644
--- a/drivers/md/dm-flakey.c
+++ b/drivers/md/dm-flakey.c
@@ -323,7 +323,7 @@ static int flakey_end_io(struct dm_target *ti, struct bio *bio,
          * Corrupt successful READs while in down state.
          * If flags were specified, only corrupt those that match.
          */
-        if (!error && bio_submitted_while_down &&
+        if (fc->corrupt_bio_byte && !error && bio_submitted_while_down &&
             (bio_data_dir(bio) == READ) && (fc->corrupt_bio_rw == READ) &&
             all_corrupt_bio_flags_match(bio, fc))
                 corrupt_bio_data(bio, fc);
diff --git a/drivers/md/dm-io.c b/drivers/md/dm-io.c
index ad2eba40e319..ea5dd289fe2a 100644
--- a/drivers/md/dm-io.c
+++ b/drivers/md/dm-io.c
@@ -296,6 +296,8 @@ static void do_region(int rw, unsigned region, struct dm_io_region *where,
         unsigned offset;
         unsigned num_bvecs;
         sector_t remaining = where->count;
+        struct request_queue *q = bdev_get_queue(where->bdev);
+        sector_t discard_sectors;
 
         /*
          * where->count may be zero if rw holds a flush and we need to
@@ -305,9 +307,12 @@ static void do_region(int rw, unsigned region, struct dm_io_region *where,
                 /*
                  * Allocate a suitably sized-bio.
                  */
-                num_bvecs = dm_sector_div_up(remaining,
-                                             (PAGE_SIZE >> SECTOR_SHIFT));
-                num_bvecs = min_t(int, bio_get_nr_vecs(where->bdev), num_bvecs);
+                if (rw & REQ_DISCARD)
+                        num_bvecs = 1;
+                else
+                        num_bvecs = min_t(int, bio_get_nr_vecs(where->bdev),
+                                          dm_sector_div_up(remaining, (PAGE_SIZE >> SECTOR_SHIFT)));
+
                 bio = bio_alloc_bioset(GFP_NOIO, num_bvecs, io->client->bios);
                 bio->bi_sector = where->sector + (where->count - remaining);
                 bio->bi_bdev = where->bdev;
@@ -315,10 +320,14 @@ static void do_region(int rw, unsigned region, struct dm_io_region *where,
                 bio->bi_destructor = dm_bio_destructor;
                 store_io_and_region_in_bio(bio, io, region);
 
-                /*
-                 * Try and add as many pages as possible.
-                 */
-                while (remaining) {
+                if (rw & REQ_DISCARD) {
+                        discard_sectors = min_t(sector_t, q->limits.max_discard_sectors, remaining);
+                        bio->bi_size = discard_sectors << SECTOR_SHIFT;
+                        remaining -= discard_sectors;
+                } else while (remaining) {
+                        /*
+                         * Try and add as many pages as possible.
+                         */
                         dp->get_page(dp, &page, &len, &offset);
                         len = min(len, to_bytes(remaining));
                         if (!bio_add_page(bio, page, len, offset))
diff --git a/drivers/md/dm-ioctl.c b/drivers/md/dm-ioctl.c
index 31c2dc25886d..1ce84ed0b765 100644
--- a/drivers/md/dm-ioctl.c
+++ b/drivers/md/dm-ioctl.c
@@ -1437,7 +1437,7 @@ static int target_message(struct dm_ioctl *param, size_t param_size)
 
         if (!argc) {
                 DMWARN("Empty message received.");
-                goto out;
+                goto out_argv;
         }
 
         table = dm_get_live_table(md);
diff --git a/drivers/md/dm-raid.c b/drivers/md/dm-raid.c
index 86cb7e5d83d5..787022c18187 100644
--- a/drivers/md/dm-raid.c
+++ b/drivers/md/dm-raid.c
@@ -668,7 +668,14 @@ static int super_load(struct md_rdev *rdev, struct md_rdev *refdev)
                 return ret;
 
         sb = page_address(rdev->sb_page);
-        if (sb->magic != cpu_to_le32(DM_RAID_MAGIC)) {
+
+        /*
+         * Two cases that we want to write new superblocks and rebuild:
+         * 1) New device (no matching magic number)
+         * 2) Device specified for rebuild (!In_sync w/ offset == 0)
+         */
+        if ((sb->magic != cpu_to_le32(DM_RAID_MAGIC)) ||
+            (!test_bit(In_sync, &rdev->flags) && !rdev->recovery_offset)) {
                 super_sync(rdev->mddev, rdev);
 
                 set_bit(FirstUse, &rdev->flags);
@@ -745,11 +752,8 @@ static int super_init_validation(struct mddev *mddev, struct md_rdev *rdev)
          */
         rdev_for_each(r, t, mddev) {
                 if (!test_bit(In_sync, &r->flags)) {
-                        if (!test_bit(FirstUse, &r->flags))
-                                DMERR("Superblock area of "
-                                      "rebuild device %d should have been "
-                                      "cleared.", r->raid_disk);
-                        set_bit(FirstUse, &r->flags);
+                        DMINFO("Device %d specified for rebuild: "
+                               "Clearing superblock", r->raid_disk);
                         rebuilds++;
                 } else if (test_bit(FirstUse, &r->flags))
                         new_devs++;
@@ -971,6 +975,7 @@ static int raid_ctr(struct dm_target *ti, unsigned argc, char **argv)
 
         INIT_WORK(&rs->md.event_work, do_table_event);
         ti->private = rs;
+        ti->num_flush_requests = 1;
 
         mutex_lock(&rs->md.reconfig_mutex);
         ret = md_run(&rs->md);
diff --git a/drivers/md/dm-thin-metadata.c b/drivers/md/dm-thin-metadata.c
index 59c4f0446ffa..237571af77fd 100644
--- a/drivers/md/dm-thin-metadata.c
+++ b/drivers/md/dm-thin-metadata.c
@@ -385,6 +385,7 @@ static int init_pmd(struct dm_pool_metadata *pmd,
                 data_sm = dm_sm_disk_create(tm, nr_blocks);
                 if (IS_ERR(data_sm)) {
                         DMERR("sm_disk_create failed");
+                        dm_tm_unlock(tm, sblock);
                         r = PTR_ERR(data_sm);
                         goto bad;
                 }
@@ -789,6 +790,11 @@ int dm_pool_metadata_close(struct dm_pool_metadata *pmd)
         return 0;
 }
 
+/*
+ * __open_device: Returns @td corresponding to device with id @dev,
+ * creating it if @create is set and incrementing @td->open_count.
+ * On failure, @td is undefined.
+ */
 static int __open_device(struct dm_pool_metadata *pmd,
                          dm_thin_id dev, int create,
                          struct dm_thin_device **td)
@@ -799,10 +805,16 @@ static int __open_device(struct dm_pool_metadata *pmd,
         struct disk_device_details details_le;
 
         /*
-         * Check the device isn't already open.
+         * If the device is already open, return it.
          */
         list_for_each_entry(td2, &pmd->thin_devices, list)
                 if (td2->id == dev) {
+                        /*
+                         * May not create an already-open device.
+                         */
+                        if (create)
+                                return -EEXIST;
+
                         td2->open_count++;
                         *td = td2;
                         return 0;
@@ -817,6 +829,9 @@ static int __open_device(struct dm_pool_metadata *pmd,
                 if (r != -ENODATA || !create)
                         return r;
 
+                /*
+                 * Create new device.
+                 */
                 changed = 1;
                 details_le.mapped_blocks = 0;
                 details_le.transaction_id = cpu_to_le64(pmd->trans_id);
@@ -882,12 +897,10 @@ static int __create_thin(struct dm_pool_metadata *pmd,
 
         r = __open_device(pmd, dev, 1, &td);
         if (r) {
-                __close_device(td);
                 dm_btree_remove(&pmd->tl_info, pmd->root, &key, &pmd->root);
                 dm_btree_del(&pmd->bl_info, dev_root);
                 return r;
         }
-        td->changed = 1;
         __close_device(td);
 
         return r;
@@ -967,14 +980,14 @@ static int __create_snap(struct dm_pool_metadata *pmd,
                 goto bad;
 
         r = __set_snapshot_details(pmd, td, origin, pmd->time);
+        __close_device(td);
+
         if (r)
                 goto bad;
 
-        __close_device(td);
         return 0;
 
 bad:
-        __close_device(td);
         dm_btree_remove(&pmd->tl_info, pmd->root, &key, &pmd->root);
         dm_btree_remove(&pmd->details_info, pmd->details_root,
                         &key, &pmd->details_root);
@@ -1211,6 +1224,8 @@ static int __remove(struct dm_thin_device *td, dm_block_t block)
         if (r)
                 return r;
 
+        td->mapped_blocks--;
+        td->changed = 1;
         pmd->need_commit = 1;
 
         return 0;
diff --git a/drivers/of/fdt.c b/drivers/of/fdt.c
index ea2bd1be2640..91a375fb6ae6 100644
--- a/drivers/of/fdt.c
+++ b/drivers/of/fdt.c
@@ -23,7 +23,6 @@
 #include <asm/machdep.h>
 #endif /* CONFIG_PPC */
 
-#include <asm/setup.h>
 #include <asm/page.h>
 
 char *of_fdt_get_string(struct boot_param_header *blob, u32 offset)
diff --git a/drivers/of/of_mdio.c b/drivers/of/of_mdio.c
index 980c079e4443..483c0adcad87 100644
--- a/drivers/of/of_mdio.c
+++ b/drivers/of/of_mdio.c
@@ -182,7 +182,7 @@ struct phy_device *of_phy_connect_fixed_link(struct net_device *dev,
         if (!phy_id || sz < sizeof(*phy_id))
                 return NULL;
 
-        sprintf(bus_id, PHY_ID_FMT, "0", be32_to_cpu(phy_id[0]));
+        sprintf(bus_id, PHY_ID_FMT, "fixed-0", be32_to_cpu(phy_id[0]));
 
         phy = phy_connect(dev, bus_id, hndlr, 0, iface);
         return IS_ERR(phy) ? NULL : phy;
diff --git a/drivers/regulator/tps65910-regulator.c b/drivers/regulator/tps65910-regulator.c
index 5c15ba01e9c7..40ecf5165899 100644
--- a/drivers/regulator/tps65910-regulator.c
+++ b/drivers/regulator/tps65910-regulator.c
@@ -662,7 +662,7 @@ static int tps65910_set_voltage_dcdc(struct regulator_dev *dev,
                 tps65910_reg_write(pmic, TPS65910_VDD2_OP, vsel);
                 break;
         case TPS65911_REG_VDDCTRL:
-                vsel = selector;
+                vsel = selector + 3;
                 tps65910_reg_write(pmic, TPS65911_VDDCTRL_OP, vsel);
         }
 
diff --git a/drivers/spi/spi-pl022.c b/drivers/spi/spi-pl022.c
index 2f9cb43a2398..f37ad2271ad5 100644
--- a/drivers/spi/spi-pl022.c
+++ b/drivers/spi/spi-pl022.c
@@ -1083,7 +1083,7 @@ err_alloc_rx_sg:
         return -ENOMEM;
 }
 
-static int __init pl022_dma_probe(struct pl022 *pl022)
+static int __devinit pl022_dma_probe(struct pl022 *pl022)
 {
         dma_cap_mask_t mask;
 
diff --git a/include/linux/of.h b/include/linux/of.h
index a75a831e2057..92cf6ad35e0e 100644
--- a/include/linux/of.h
+++ b/include/linux/of.h
@@ -281,6 +281,14 @@ static inline struct property *of_find_property(const struct device_node *np,
         return NULL;
 }
 
+static inline struct device_node *of_find_compatible_node(
+                                                struct device_node *from,
+                                                const char *type,
+                                                const char *compat)
+{
+        return NULL;
+}
+
 static inline int of_property_read_u32_array(const struct device_node *np,
                                              const char *propname,
                                              u32 *out_values, size_t sz)