Merge 4.7-rc4 into staging-next

We want the fixes in here, and we can resolve a merge issue in
drivers/iio/industrialio-trigger.c

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

23 files changed, 88 insertions, 32 deletions

diff --git a/include/linux/binfmts.h b/include/linux/binfmts.h
index 576e4639ca60..314b3caa701c 100644
--- a/include/linux/binfmts.h
+++ b/include/linux/binfmts.h
@@ -65,6 +65,7 @@ struct coredump_params {
         unsigned long limit;
         unsigned long mm_flags;
         loff_t written;
+        loff_t pos;
 };
 
 /*
diff --git a/include/linux/clk-provider.h b/include/linux/clk-provider.h
index 0c72204c75fc..fb39d5add173 100644
--- a/include/linux/clk-provider.h
+++ b/include/linux/clk-provider.h
@@ -25,7 +25,7 @@
 #define CLK_SET_PARENT_GATE     BIT(1) /* must be gated across re-parent */
 #define CLK_SET_RATE_PARENT     BIT(2) /* propagate rate change up one level */
 #define CLK_IGNORE_UNUSED       BIT(3) /* do not gate even if unused */
-#define CLK_IS_ROOT             BIT(4) /* Deprecated: Don't use */
+                                /* unused */
 #define CLK_IS_BASIC            BIT(5) /* Basic clk, can't do a to_clk_foo() */
 #define CLK_GET_RATE_NOCACHE    BIT(6) /* do not use the cached clk rate */
 #define CLK_SET_RATE_NO_REPARENT BIT(7) /* don't re-parent on rate change */
diff --git a/include/linux/cpuidle.h b/include/linux/cpuidle.h
index 786ad32631a6..07b83d32f66c 100644
--- a/include/linux/cpuidle.h
+++ b/include/linux/cpuidle.h
@@ -152,6 +152,8 @@ extern void cpuidle_disable_device(struct cpuidle_device *dev);
 extern int cpuidle_play_dead(void);
 
 extern struct cpuidle_driver *cpuidle_get_cpu_driver(struct cpuidle_device *dev);
+static inline struct cpuidle_device *cpuidle_get_device(void)
+{return __this_cpu_read(cpuidle_devices); }
 #else
 static inline void disable_cpuidle(void) { }
 static inline bool cpuidle_not_available(struct cpuidle_driver *drv,
@@ -187,6 +189,7 @@ static inline void cpuidle_disable_device(struct cpuidle_device *dev) { }
 static inline int cpuidle_play_dead(void) {return -ENODEV; }
 static inline struct cpuidle_driver *cpuidle_get_cpu_driver(
         struct cpuidle_device *dev) {return NULL; }
+static inline struct cpuidle_device *cpuidle_get_device(void) {return NULL; }
 #endif
 
 #if defined(CONFIG_CPU_IDLE) && defined(CONFIG_SUSPEND)
diff --git a/include/linux/dcache.h b/include/linux/dcache.h
index 484c8792da82..f28100f6b556 100644
--- a/include/linux/dcache.h
+++ b/include/linux/dcache.h
@@ -575,5 +575,17 @@ static inline struct inode *vfs_select_inode(struct dentry *dentry,
         return inode;
 }
 
+/**
+ * d_real_inode - Return the real inode
+ * @dentry: The dentry to query
+ *
+ * If dentry is on an union/overlay, then return the underlying, real inode.
+ * Otherwise return d_inode().
+ */
+static inline struct inode *d_real_inode(struct dentry *dentry)
+{
+        return d_backing_inode(d_real(dentry));
+}
+
 
 #endif  /* __LINUX_DCACHE_H */
diff --git a/include/linux/efi.h b/include/linux/efi.h
index c2db3ca22217..f196dd0b0f2f 100644
--- a/include/linux/efi.h
+++ b/include/linux/efi.h
@@ -1005,7 +1005,7 @@ extern int efi_memattr_apply_permissions(struct mm_struct *mm,
 /* Iterate through an efi_memory_map */
 #define for_each_efi_memory_desc_in_map(m, md)                             \
         for ((md) = (m)->map;                                              \
-             (md) <= (efi_memory_desc_t *)((m)->map_end - (m)->desc_size); \
+             ((void *)(md) + (m)->desc_size) <= (m)->map_end;              \
              (md) = (void *)(md) + (m)->desc_size)
 
 /**
diff --git a/include/linux/iio/common/st_sensors.h b/include/linux/iio/common/st_sensors.h
index 91d5f684a53a..28052cddaa03 100644
--- a/include/linux/iio/common/st_sensors.h
+++ b/include/linux/iio/common/st_sensors.h
@@ -223,6 +223,8 @@ struct st_sensor_settings {
  * @get_irq_data_ready: Function to get the IRQ used for data ready signal.
  * @tf: Transfer function structure used by I/O operations.
  * @tb: Transfer buffers and mutex used by I/O operations.
+ * @hw_irq_trigger: if we're using the hardware interrupt on the sensor.
+ * @hw_timestamp: Latest timestamp from the interrupt handler, when in use.
  */
 struct st_sensor_data {
         struct device *dev;
@@ -247,6 +249,9 @@ struct st_sensor_data {
 
         const struct st_sensor_transfer_function *tf;
         struct st_sensor_transfer_buffer tb;
+
+        bool hw_irq_trigger;
+        s64 hw_timestamp;
 };
 
 #ifdef CONFIG_IIO_BUFFER
@@ -258,7 +263,8 @@ int st_sensors_allocate_trigger(struct iio_dev *indio_dev,
                                 const struct iio_trigger_ops *trigger_ops);
 
 void st_sensors_deallocate_trigger(struct iio_dev *indio_dev);
-
+int st_sensors_validate_device(struct iio_trigger *trig,
+                               struct iio_dev *indio_dev);
 #else
 static inline int st_sensors_allocate_trigger(struct iio_dev *indio_dev,
                                 const struct iio_trigger_ops *trigger_ops)
@@ -269,6 +275,7 @@ static inline void st_sensors_deallocate_trigger(struct iio_dev *indio_dev)
 {
         return;
 }
+#define st_sensors_validate_device NULL
 #endif
 
 int st_sensors_init_sensor(struct iio_dev *indio_dev,
diff --git a/include/linux/isa.h b/include/linux/isa.h
index 5ab85281230b..f2d0258414cf 100644
--- a/include/linux/isa.h
+++ b/include/linux/isa.h
@@ -6,6 +6,7 @@
 #define __LINUX_ISA_H
 
 #include <linux/device.h>
+#include <linux/errno.h>
 #include <linux/kernel.h>
 
 struct isa_driver {
@@ -22,13 +23,13 @@ struct isa_driver {
 
 #define to_isa_driver(x) container_of((x), struct isa_driver, driver)
 
-#ifdef CONFIG_ISA
+#ifdef CONFIG_ISA_BUS_API
 int isa_register_driver(struct isa_driver *, unsigned int);
 void isa_unregister_driver(struct isa_driver *);
 #else
 static inline int isa_register_driver(struct isa_driver *d, unsigned int i)
 {
-        return 0;
+        return -ENODEV;
 }
 
 static inline void isa_unregister_driver(struct isa_driver *d)
diff --git a/include/linux/leds.h b/include/linux/leds.h
index d2b13066e781..e5e7f2e80a54 100644
--- a/include/linux/leds.h
+++ b/include/linux/leds.h
@@ -42,15 +42,16 @@ struct led_classdev {
 #define LED_UNREGISTERING       (1 << 1)
         /* Upper 16 bits reflect control information */
 #define LED_CORE_SUSPENDRESUME  (1 << 16)
-#define LED_BLINK_ONESHOT       (1 << 17)
-#define LED_BLINK_ONESHOT_STOP  (1 << 18)
-#define LED_BLINK_INVERT        (1 << 19)
-#define LED_BLINK_BRIGHTNESS_CHANGE (1 << 20)
-#define LED_BLINK_DISABLE       (1 << 21)
-#define LED_SYSFS_DISABLE       (1 << 22)
-#define LED_DEV_CAP_FLASH       (1 << 23)
-#define LED_HW_PLUGGABLE        (1 << 24)
-#define LED_PANIC_INDICATOR     (1 << 25)
+#define LED_BLINK_SW            (1 << 17)
+#define LED_BLINK_ONESHOT       (1 << 18)
+#define LED_BLINK_ONESHOT_STOP  (1 << 19)
+#define LED_BLINK_INVERT        (1 << 20)
+#define LED_BLINK_BRIGHTNESS_CHANGE (1 << 21)
+#define LED_BLINK_DISABLE       (1 << 22)
+#define LED_SYSFS_DISABLE       (1 << 23)
+#define LED_DEV_CAP_FLASH       (1 << 24)
+#define LED_HW_PLUGGABLE        (1 << 25)
+#define LED_PANIC_INDICATOR     (1 << 26)
 
         /* Set LED brightness level
          * Must not sleep. Use brightness_set_blocking for drivers
@@ -72,8 +73,8 @@ struct led_classdev {
          * and if both are zero then a sensible default should be chosen.
          * The call should adjust the timings in that case and if it can't
          * match the values specified exactly.
-         * Deactivate blinking again when the brightness is set to a fixed
-         * value via the brightness_set() callback.
+         * Deactivate blinking again when the brightness is set to LED_OFF
+         * via the brightness_set() callback.
          */
         int             (*blink_set)(struct led_classdev *led_cdev,
                                      unsigned long *delay_on,
diff --git a/include/linux/mlx5/device.h b/include/linux/mlx5/device.h
index 035abdf62cfe..73a48479892d 100644
--- a/include/linux/mlx5/device.h
+++ b/include/linux/mlx5/device.h
@@ -1240,8 +1240,6 @@ struct mlx5_destroy_psv_out {
         u8                      rsvd[8];
 };
 
-#define MLX5_CMD_OP_MAX 0x920
-
 enum {
         VPORT_STATE_DOWN                = 0x0,
         VPORT_STATE_UP                  = 0x1,
@@ -1369,6 +1367,12 @@ enum mlx5_cap_type {
 #define MLX5_CAP_FLOWTABLE_MAX(mdev, cap) \
         MLX5_GET(flow_table_nic_cap, mdev->hca_caps_max[MLX5_CAP_FLOW_TABLE], cap)
 
+#define MLX5_CAP_FLOWTABLE_NIC_RX(mdev, cap) \
+        MLX5_CAP_FLOWTABLE(mdev, flow_table_properties_nic_receive.cap)
+
+#define MLX5_CAP_FLOWTABLE_NIC_RX_MAX(mdev, cap) \
+        MLX5_CAP_FLOWTABLE_MAX(mdev, flow_table_properties_nic_receive.cap)
+
 #define MLX5_CAP_ESW_FLOWTABLE(mdev, cap) \
         MLX5_GET(flow_table_eswitch_cap, \
                  mdev->hca_caps_cur[MLX5_CAP_ESWITCH_FLOW_TABLE], cap)
diff --git a/include/linux/mlx5/mlx5_ifc.h b/include/linux/mlx5/mlx5_ifc.h
index 9a05cd7e5890..e955a2859009 100644
--- a/include/linux/mlx5/mlx5_ifc.h
+++ b/include/linux/mlx5/mlx5_ifc.h
@@ -205,7 +205,8 @@ enum {
         MLX5_CMD_OP_ALLOC_FLOW_COUNTER            = 0x939,
         MLX5_CMD_OP_DEALLOC_FLOW_COUNTER          = 0x93a,
         MLX5_CMD_OP_QUERY_FLOW_COUNTER            = 0x93b,
-        MLX5_CMD_OP_MODIFY_FLOW_TABLE             = 0x93c
+        MLX5_CMD_OP_MODIFY_FLOW_TABLE             = 0x93c,
+        MLX5_CMD_OP_MAX
 };
 
 struct mlx5_ifc_flow_table_fields_supported_bits {
@@ -500,7 +501,9 @@ struct mlx5_ifc_e_switch_cap_bits {
         u8         vport_svlan_insert[0x1];
         u8         vport_cvlan_insert_if_not_exist[0x1];
         u8         vport_cvlan_insert_overwrite[0x1];
-        u8         reserved_at_5[0x1b];
+        u8         reserved_at_5[0x19];
+        u8         nic_vport_node_guid_modify[0x1];
+        u8         nic_vport_port_guid_modify[0x1];
 
         u8         reserved_at_20[0x7e0];
 };
@@ -4583,7 +4586,10 @@ struct mlx5_ifc_modify_nic_vport_context_out_bits {
 };
 
 struct mlx5_ifc_modify_nic_vport_field_select_bits {
-        u8         reserved_at_0[0x19];
+        u8         reserved_at_0[0x16];
+        u8         node_guid[0x1];
+        u8         port_guid[0x1];
+        u8         reserved_at_18[0x1];
         u8         mtu[0x1];
         u8         change_event[0x1];
         u8         promisc[0x1];
diff --git a/include/linux/mlx5/qp.h b/include/linux/mlx5/qp.h
index 64221027bf1f..266320feb160 100644
--- a/include/linux/mlx5/qp.h
+++ b/include/linux/mlx5/qp.h
@@ -460,10 +460,9 @@ struct mlx5_core_qp {
 };
 
 struct mlx5_qp_path {
-        u8                      fl;
+        u8                      fl_free_ar;
         u8                      rsvd3;
-        u8                      free_ar;
-        u8                      pkey_index;
+        __be16                  pkey_index;
         u8                      rsvd0;
         u8                      grh_mlid;
         __be16                  rlid;
@@ -560,6 +559,7 @@ struct mlx5_modify_qp_mbox_in {
         __be32                  optparam;
         u8                      rsvd0[4];
         struct mlx5_qp_context  ctx;
+        u8                      rsvd2[16];
 };
 
 struct mlx5_modify_qp_mbox_out {
diff --git a/include/linux/mlx5/vport.h b/include/linux/mlx5/vport.h
index 301da4a5e6bf..6c16c198f680 100644
--- a/include/linux/mlx5/vport.h
+++ b/include/linux/mlx5/vport.h
@@ -50,6 +50,8 @@ int mlx5_modify_nic_vport_mtu(struct mlx5_core_dev *mdev, u16 mtu);
 int mlx5_query_nic_vport_system_image_guid(struct mlx5_core_dev *mdev,
                                            u64 *system_image_guid);
 int mlx5_query_nic_vport_node_guid(struct mlx5_core_dev *mdev, u64 *node_guid);
+int mlx5_modify_nic_vport_node_guid(struct mlx5_core_dev *mdev,
+                                    u32 vport, u64 node_guid);
 int mlx5_query_nic_vport_qkey_viol_cntr(struct mlx5_core_dev *mdev,
                                         u16 *qkey_viol_cntr);
 int mlx5_query_hca_vport_gid(struct mlx5_core_dev *dev, u8 other_vport,
diff --git a/include/linux/of.h b/include/linux/of.h
index c7292e8ea080..74eb28cadbef 100644
--- a/include/linux/of.h
+++ b/include/linux/of.h
@@ -614,7 +614,7 @@ static inline struct device_node *of_parse_phandle(const struct device_node *np,
         return NULL;
 }
 
-static inline int of_parse_phandle_with_args(struct device_node *np,
+static inline int of_parse_phandle_with_args(const struct device_node *np,
                                              const char *list_name,
                                              const char *cells_name,
                                              int index,
diff --git a/include/linux/of_pci.h b/include/linux/of_pci.h
index f6e9e85164e8..b969e9443962 100644
--- a/include/linux/of_pci.h
+++ b/include/linux/of_pci.h
@@ -8,7 +8,7 @@ struct pci_dev;
 struct of_phandle_args;
 struct device_node;
 
-#ifdef CONFIG_OF
+#ifdef CONFIG_OF_PCI
 int of_irq_parse_pci(const struct pci_dev *pdev, struct of_phandle_args *out_irq);
 struct device_node *of_pci_find_child_device(struct device_node *parent,
                                              unsigned int devfn);
diff --git a/include/linux/of_reserved_mem.h b/include/linux/of_reserved_mem.h
index ad2f67054372..c201060e0c6d 100644
--- a/include/linux/of_reserved_mem.h
+++ b/include/linux/of_reserved_mem.h
@@ -31,6 +31,13 @@ typedef int (*reservedmem_of_init_fn)(struct reserved_mem *rmem);
 int of_reserved_mem_device_init(struct device *dev);
 void of_reserved_mem_device_release(struct device *dev);
 
+int early_init_dt_alloc_reserved_memory_arch(phys_addr_t size,
+                                             phys_addr_t align,
+                                             phys_addr_t start,
+                                             phys_addr_t end,
+                                             bool nomap,
+                                             phys_addr_t *res_base);
+
 void fdt_init_reserved_mem(void);
 void fdt_reserved_mem_save_node(unsigned long node, const char *uname,
                                phys_addr_t base, phys_addr_t size);
diff --git a/include/linux/pwm.h b/include/linux/pwm.h
index 17018f3c066e..908b67c847cd 100644
--- a/include/linux/pwm.h
+++ b/include/linux/pwm.h
@@ -235,6 +235,9 @@ static inline int pwm_config(struct pwm_device *pwm, int duty_ns,
         if (!pwm)
                 return -EINVAL;
 
+        if (duty_ns < 0 || period_ns < 0)
+                return -EINVAL;
+
         pwm_get_state(pwm, &state);
         if (state.duty_cycle == duty_ns && state.period == period_ns)
                 return 0;
diff --git a/include/linux/seqlock.h b/include/linux/seqlock.h
index 7973a821ac58..ead97654c4e9 100644
--- a/include/linux/seqlock.h
+++ b/include/linux/seqlock.h
@@ -277,7 +277,10 @@ static inline void raw_write_seqcount_barrier(seqcount_t *s)
 
 static inline int raw_read_seqcount_latch(seqcount_t *s)
 {
-        return lockless_dereference(s)->sequence;
+        int seq = READ_ONCE(s->sequence);
+        /* Pairs with the first smp_wmb() in raw_write_seqcount_latch() */
+        smp_read_barrier_depends();
+        return seq;
 }
 
 /**
@@ -331,7 +334,7 @@ static inline int raw_read_seqcount_latch(seqcount_t *s)
  *      unsigned seq, idx;
  *
  *      do {
- *              seq = lockless_dereference(latch)->seq;
+ *              seq = raw_read_seqcount_latch(&latch->seq);
  *
  *              idx = seq & 0x01;
  *              entry = data_query(latch->data[idx], ...);
diff --git a/include/linux/sunrpc/clnt.h b/include/linux/sunrpc/clnt.h
index 19c659d1c0f8..b6810c92b8bb 100644
--- a/include/linux/sunrpc/clnt.h
+++ b/include/linux/sunrpc/clnt.h
@@ -137,8 +137,6 @@ struct rpc_create_args {
 #define RPC_CLNT_CREATE_NO_RETRANS_TIMEOUT      (1UL << 9)
 
 struct rpc_clnt *rpc_create(struct rpc_create_args *args);
-struct rpc_clnt *rpc_create_xprt(struct rpc_create_args *args,
-                                        struct rpc_xprt *xprt);
 struct rpc_clnt *rpc_bind_new_program(struct rpc_clnt *,
                                 const struct rpc_program *, u32);
 struct rpc_clnt *rpc_clone_client(struct rpc_clnt *);
diff --git a/include/linux/sunrpc/svc_xprt.h b/include/linux/sunrpc/svc_xprt.h
index b7dabc4baafd..79ba50856707 100644
--- a/include/linux/sunrpc/svc_xprt.h
+++ b/include/linux/sunrpc/svc_xprt.h
@@ -84,6 +84,7 @@ struct svc_xprt {
 
         struct net              *xpt_net;
         struct rpc_xprt         *xpt_bc_xprt;   /* NFSv4.1 backchannel */
+        struct rpc_xprt_switch  *xpt_bc_xps;    /* NFSv4.1 backchannel */
 };
 
 static inline void unregister_xpt_user(struct svc_xprt *xpt, struct svc_xpt_user *u)
diff --git a/include/linux/sunrpc/xprt.h b/include/linux/sunrpc/xprt.h
index 5aa3834619a8..5e3e1b63dbb3 100644
--- a/include/linux/sunrpc/xprt.h
+++ b/include/linux/sunrpc/xprt.h
@@ -297,6 +297,7 @@ struct xprt_create {
         size_t                  addrlen;
         const char              *servername;
         struct svc_xprt         *bc_xprt;       /* NFSv4.1 backchannel */
+        struct rpc_xprt_switch  *bc_xps;
         unsigned int            flags;
 };
 
diff --git a/include/linux/thermal.h b/include/linux/thermal.h
index e45abe7db9a6..ee517bef0db0 100644
--- a/include/linux/thermal.h
+++ b/include/linux/thermal.h
@@ -335,6 +335,8 @@ struct thermal_genl_event {
  * @get_trend: a pointer to a function that reads the sensor temperature trend.
  * @set_emul_temp: a pointer to a function that sets sensor emulated
  *                 temperature.
+ * @set_trip_temp: a pointer to a function that sets the trip temperature on
+ *                 hardware.
  */
 struct thermal_zone_of_device_ops {
         int (*get_temp)(void *, int *);
diff --git a/include/linux/usb/gadget.h b/include/linux/usb/gadget.h
index 457651bf45b0..fefe8b06a63d 100644
--- a/include/linux/usb/gadget.h
+++ b/include/linux/usb/gadget.h
@@ -1034,6 +1034,8 @@ static inline int usb_gadget_activate(struct usb_gadget *gadget)
  * @udc_name: A name of UDC this driver should be bound to. If udc_name is NULL,
  *      this driver will be bound to any available UDC.
  * @pending: UDC core private data used for deferred probe of this driver.
+ * @match_existing_only: If udc is not found, return an error and don't add this
+ *      gadget driver to list of pending driver
  *
  * Devices are disabled till a gadget driver successfully bind()s, which
  * means the driver will handle setup() requests needed to enumerate (and
@@ -1097,6 +1099,7 @@ struct usb_gadget_driver {
 
         char                    *udc_name;
         struct list_head        pending;
+        unsigned                match_existing_only:1;
 };
 
 
diff --git a/include/linux/usb/musb.h b/include/linux/usb/musb.h
index 0b3da40a525e..d315c8907869 100644
--- a/include/linux/usb/musb.h
+++ b/include/linux/usb/musb.h
@@ -142,10 +142,11 @@ enum musb_vbus_id_status {
 };
 
 #if IS_ENABLED(CONFIG_USB_MUSB_HDRC)
-void musb_mailbox(enum musb_vbus_id_status status);
+int musb_mailbox(enum musb_vbus_id_status status);
 #else
-static inline void musb_mailbox(enum musb_vbus_id_status status)
+static inline int musb_mailbox(enum musb_vbus_id_status status)
 {
+        return 0;
 }
 #endif