Merge tag 'asoc-fix-v4.1-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus

ASoC: Fixes for v4.1

A few more fixes for v4.1, some driver fixes plus one core fix which
fixes registration of DAI links when adding prefixes to CODECs to
deuplicate in multi-CODEC systems.

18 files changed, 62 insertions, 28 deletions

diff --git a/include/linux/blk_types.h b/include/linux/blk_types.h
index a1b25e35ea5f..b7299febc4b4 100644
--- a/include/linux/blk_types.h
+++ b/include/linux/blk_types.h
@@ -220,7 +220,7 @@ enum rq_flag_bits {
 
 /* This mask is used for both bio and request merge checking */
 #define REQ_NOMERGE_FLAGS \
-        (REQ_NOMERGE | REQ_STARTED | REQ_SOFTBARRIER | REQ_FLUSH | REQ_FUA)
+        (REQ_NOMERGE | REQ_STARTED | REQ_SOFTBARRIER | REQ_FLUSH | REQ_FUA | REQ_FLUSH_SEQ)
 
 #define REQ_RAHEAD              (1ULL << __REQ_RAHEAD)
 #define REQ_THROTTLED           (1ULL << __REQ_THROTTLED)
diff --git a/include/linux/compiler-gcc.h b/include/linux/compiler-gcc.h
index cdf13ca7cac3..371e560d13cf 100644
--- a/include/linux/compiler-gcc.h
+++ b/include/linux/compiler-gcc.h
@@ -9,10 +9,24 @@
                    + __GNUC_MINOR__ * 100 \
                    + __GNUC_PATCHLEVEL__)
 
-
 /* Optimization barrier */
+
 /* The "volatile" is due to gcc bugs */
 #define barrier() __asm__ __volatile__("": : :"memory")
+/*
+ * This version is i.e. to prevent dead stores elimination on @ptr
+ * where gcc and llvm may behave differently when otherwise using
+ * normal barrier(): while gcc behavior gets along with a normal
+ * barrier(), llvm needs an explicit input variable to be assumed
+ * clobbered. The issue is as follows: while the inline asm might
+ * access any memory it wants, the compiler could have fit all of
+ * @ptr into memory registers instead, and since @ptr never escaped
+ * from that, it proofed that the inline asm wasn't touching any of
+ * it. This version works well with both compilers, i.e. we're telling
+ * the compiler that the inline asm absolutely may see the contents
+ * of @ptr. See also: https://llvm.org/bugs/show_bug.cgi?id=15495
+ */
+#define barrier_data(ptr) __asm__ __volatile__("": :"r"(ptr) :"memory")
 
 /*
  * This macro obfuscates arithmetic on a variable address so that gcc
diff --git a/include/linux/compiler-intel.h b/include/linux/compiler-intel.h
index ba147a1727e6..0c9a2f2c2802 100644
--- a/include/linux/compiler-intel.h
+++ b/include/linux/compiler-intel.h
@@ -13,9 +13,12 @@
 /* Intel ECC compiler doesn't support gcc specific asm stmts.
  * It uses intrinsics to do the equivalent things.
  */
+#undef barrier_data
 #undef RELOC_HIDE
 #undef OPTIMIZER_HIDE_VAR
 
+#define barrier_data(ptr) barrier()
+
 #define RELOC_HIDE(ptr, off)                                    \
   ({ unsigned long __ptr;                                       \
      __ptr = (unsigned long) (ptr);                             \
diff --git a/include/linux/compiler.h b/include/linux/compiler.h
index 0e41ca0e5927..867722591be2 100644
--- a/include/linux/compiler.h
+++ b/include/linux/compiler.h
@@ -169,6 +169,10 @@ void ftrace_likely_update(struct ftrace_branch_data *f, int val, int expect);
 # define barrier() __memory_barrier()
 #endif
 
+#ifndef barrier_data
+# define barrier_data(ptr) barrier()
+#endif
+
 /* Unreachable code */
 #ifndef unreachable
 # define unreachable() do { } while (1)
diff --git a/include/linux/ftrace_event.h b/include/linux/ftrace_event.h
index 46e83c2156c6..f9ecf63d47f1 100644
--- a/include/linux/ftrace_event.h
+++ b/include/linux/ftrace_event.h
@@ -46,7 +46,7 @@ const char *ftrace_print_hex_seq(struct trace_seq *p,
                                  const unsigned char *buf, int len);
 
 const char *ftrace_print_array_seq(struct trace_seq *p,
-                                   const void *buf, int buf_len,
+                                   const void *buf, int count,
                                    size_t el_size);
 
 struct trace_iterator;
diff --git a/include/linux/irqchip/arm-gic.h b/include/linux/irqchip/arm-gic.h
index 36ec4ae74634..9de976b4f9a7 100644
--- a/include/linux/irqchip/arm-gic.h
+++ b/include/linux/irqchip/arm-gic.h
@@ -95,8 +95,6 @@
 
 struct device_node;
 
-extern struct irq_chip gic_arch_extn;
-
 void gic_set_irqchip_flags(unsigned long flags);
 void gic_init_bases(unsigned int, int, void __iomem *, void __iomem *,
                     u32 offset, struct device_node *);
diff --git a/include/linux/kexec.h b/include/linux/kexec.h
index e60a745ac198..e804306ef5e8 100644
--- a/include/linux/kexec.h
+++ b/include/linux/kexec.h
@@ -40,6 +40,10 @@
 #error KEXEC_CONTROL_MEMORY_LIMIT not defined
 #endif
 
+#ifndef KEXEC_CONTROL_MEMORY_GFP
+#define KEXEC_CONTROL_MEMORY_GFP GFP_KERNEL
+#endif
+
 #ifndef KEXEC_CONTROL_PAGE_SIZE
 #error KEXEC_CONTROL_PAGE_SIZE not defined
 #endif
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index bcbde799ec69..1899c74a7127 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -60,6 +60,7 @@ struct phy_device;
 struct wireless_dev;
 /* 802.15.4 specific */
 struct wpan_dev;
+struct mpls_dev;
 
 void netdev_set_default_ethtool_ops(struct net_device *dev,
                                     const struct ethtool_ops *ops);
@@ -976,7 +977,8 @@ typedef u16 (*select_queue_fallback_t)(struct net_device *dev,
  * int (*ndo_bridge_setlink)(struct net_device *dev, struct nlmsghdr *nlh,
  *                           u16 flags)
  * int (*ndo_bridge_getlink)(struct sk_buff *skb, u32 pid, u32 seq,
- *                           struct net_device *dev, u32 filter_mask)
+ *                           struct net_device *dev, u32 filter_mask,
+ *                           int nlflags)
  * int (*ndo_bridge_dellink)(struct net_device *dev, struct nlmsghdr *nlh,
  *                           u16 flags);
  *
@@ -1172,7 +1174,8 @@ struct net_device_ops {
         int                     (*ndo_bridge_getlink)(struct sk_buff *skb,
                                                       u32 pid, u32 seq,
                                                       struct net_device *dev,
-                                                      u32 filter_mask);
+                                                      u32 filter_mask,
+                                                      int nlflags);
         int                     (*ndo_bridge_dellink)(struct net_device *dev,
                                                       struct nlmsghdr *nlh,
                                                       u16 flags);
@@ -1627,6 +1630,9 @@ struct net_device {
         void                    *ax25_ptr;
         struct wireless_dev     *ieee80211_ptr;
         struct wpan_dev         *ieee802154_ptr;
+#if IS_ENABLED(CONFIG_MPLS_ROUTING)
+        struct mpls_dev __rcu   *mpls_ptr;
+#endif
 
 /*
  * Cache lines mostly used on receive path (including eth_type_trans())
@@ -2021,10 +2027,10 @@ struct pcpu_sw_netstats {
 ({                                                              \
         typeof(type) __percpu *pcpu_stats = alloc_percpu(type); \
         if (pcpu_stats) {                                       \
-                int i;                                          \
-                for_each_possible_cpu(i) {                      \
+                int __cpu;                                      \
+                for_each_possible_cpu(__cpu) {                  \
                         typeof(type) *stat;                     \
-                        stat = per_cpu_ptr(pcpu_stats, i);      \
+                        stat = per_cpu_ptr(pcpu_stats, __cpu);  \
                         u64_stats_init(&stat->syncp);           \
                 }                                               \
         }                                                       \
diff --git a/include/linux/netfilter_bridge.h b/include/linux/netfilter_bridge.h
index ab8f76dba668..f2fdb5a52070 100644
--- a/include/linux/netfilter_bridge.h
+++ b/include/linux/netfilter_bridge.h
@@ -39,12 +39,24 @@ static inline void br_drop_fake_rtable(struct sk_buff *skb)
 
 static inline int nf_bridge_get_physinif(const struct sk_buff *skb)
 {
-        return skb->nf_bridge ? skb->nf_bridge->physindev->ifindex : 0;
+        struct nf_bridge_info *nf_bridge;
+
+        if (skb->nf_bridge == NULL)
+                return 0;
+
+        nf_bridge = skb->nf_bridge;
+        return nf_bridge->physindev ? nf_bridge->physindev->ifindex : 0;
 }
 
 static inline int nf_bridge_get_physoutif(const struct sk_buff *skb)
 {
-        return skb->nf_bridge ? skb->nf_bridge->physoutdev->ifindex : 0;
+        struct nf_bridge_info *nf_bridge;
+
+        if (skb->nf_bridge == NULL)
+                return 0;
+
+        nf_bridge = skb->nf_bridge;
+        return nf_bridge->physoutdev ? nf_bridge->physoutdev->ifindex : 0;
 }
 
 static inline struct net_device *
diff --git a/include/linux/nilfs2_fs.h b/include/linux/nilfs2_fs.h
index ff3fea3194c6..9abb763e4b86 100644
--- a/include/linux/nilfs2_fs.h
+++ b/include/linux/nilfs2_fs.h
@@ -460,7 +460,7 @@ struct nilfs_btree_node {
 /* level */
 #define NILFS_BTREE_LEVEL_DATA          0
 #define NILFS_BTREE_LEVEL_NODE_MIN      (NILFS_BTREE_LEVEL_DATA + 1)
-#define NILFS_BTREE_LEVEL_MAX           14
+#define NILFS_BTREE_LEVEL_MAX           14      /* Max level (exclusive) */
 
 /**
  * struct nilfs_palloc_group_desc - block group descriptor
diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h
index 38cff8f6716d..2f7b9a40f627 100644
--- a/include/linux/pci_ids.h
+++ b/include/linux/pci_ids.h
@@ -2541,10 +2541,6 @@
 
 #define PCI_VENDOR_ID_INTEL             0x8086
 #define PCI_DEVICE_ID_INTEL_EESSC       0x0008
-#define PCI_DEVICE_ID_INTEL_SNB_IMC     0x0100
-#define PCI_DEVICE_ID_INTEL_IVB_IMC     0x0154
-#define PCI_DEVICE_ID_INTEL_IVB_E3_IMC  0x0150
-#define PCI_DEVICE_ID_INTEL_HSW_IMC     0x0c00
 #define PCI_DEVICE_ID_INTEL_PXHD_0      0x0320
 #define PCI_DEVICE_ID_INTEL_PXHD_1      0x0321
 #define PCI_DEVICE_ID_INTEL_PXH_0       0x0329
diff --git a/include/linux/rhashtable.h b/include/linux/rhashtable.h
index e23d242d1230..dbcbcc59aa92 100644
--- a/include/linux/rhashtable.h
+++ b/include/linux/rhashtable.h
@@ -282,7 +282,8 @@ static inline bool rht_shrink_below_30(const struct rhashtable *ht,
 static inline bool rht_grow_above_100(const struct rhashtable *ht,
                                       const struct bucket_table *tbl)
 {
-        return atomic_read(&ht->nelems) > tbl->size;
+        return atomic_read(&ht->nelems) > tbl->size &&
+                (!ht->p.max_size || tbl->size < ht->p.max_size);
 }
 
 /* The bucket lock is selected based on the hash and protects mutations
diff --git a/include/linux/rtnetlink.h b/include/linux/rtnetlink.h
index 2da5d1081ad9..7b8e260c4a27 100644
--- a/include/linux/rtnetlink.h
+++ b/include/linux/rtnetlink.h
@@ -122,5 +122,5 @@ extern int ndo_dflt_fdb_del(struct ndmsg *ndm,
 
 extern int ndo_dflt_bridge_getlink(struct sk_buff *skb, u32 pid, u32 seq,
                                    struct net_device *dev, u16 mode,
-                                   u32 flags, u32 mask);
+                                   u32 flags, u32 mask, int nlflags);
 #endif  /* __LINUX_RTNETLINK_H */
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 8222ae40ecb0..26a2e6122734 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -175,14 +175,6 @@ extern void get_iowait_load(unsigned long *nr_waiters, unsigned long *load);
 extern void calc_global_load(unsigned long ticks);
 extern void update_cpu_load_nohz(void);
 
-/* Notifier for when a task gets migrated to a new CPU */
-struct task_migration_notifier {
-        struct task_struct *task;
-        int from_cpu;
-        int to_cpu;
-};
-extern void register_task_migration_notifier(struct notifier_block *n);
-
 extern unsigned long get_parent_ip(unsigned long addr);
 
 extern void dump_cpu_task(int cpu);
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index 06793b598f44..66e374d62f64 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -773,6 +773,7 @@ bool skb_try_coalesce(struct sk_buff *to, struct sk_buff *from,
 
 struct sk_buff *__alloc_skb(unsigned int size, gfp_t priority, int flags,
                             int node);
+struct sk_buff *__build_skb(void *data, unsigned int frag_size);
 struct sk_buff *build_skb(void *data, unsigned int frag_size);
 static inline struct sk_buff *alloc_skb(unsigned int size,
                                         gfp_t priority)
diff --git a/include/linux/tty.h b/include/linux/tty.h
index 358a337af598..fe5623c9af71 100644
--- a/include/linux/tty.h
+++ b/include/linux/tty.h
@@ -491,6 +491,7 @@ static inline speed_t tty_get_baud_rate(struct tty_struct *tty)
 
 extern void tty_termios_copy_hw(struct ktermios *new, struct ktermios *old);
 extern int tty_termios_hw_change(struct ktermios *a, struct ktermios *b);
+extern int tty_set_termios(struct tty_struct *tty, struct ktermios *kt);
 
 extern struct tty_ldisc *tty_ldisc_ref(struct tty_struct *);
 extern void tty_ldisc_deref(struct tty_ldisc *);
diff --git a/include/linux/usb_usual.h b/include/linux/usb_usual.h
index a7f2604c5f25..7f5f78bd15ad 100644
--- a/include/linux/usb_usual.h
+++ b/include/linux/usb_usual.h
@@ -77,6 +77,8 @@
                 /* Cannot handle ATA_12 or ATA_16 CDBs */       \
         US_FLAG(NO_REPORT_OPCODES,      0x04000000)             \
                 /* Cannot handle MI_REPORT_SUPPORTED_OPERATION_CODES */ \
+        US_FLAG(MAX_SECTORS_240,        0x08000000)             \
+                /* Sets max_sectors to 240 */                   \
 
 #define US_FLAG(name, value)    US_FL_##name = value ,
 enum { US_DO_ALL_FLAGS };
diff --git a/include/linux/util_macros.h b/include/linux/util_macros.h
index d5f4fb69dba3..f9b2ce58039b 100644
--- a/include/linux/util_macros.h
+++ b/include/linux/util_macros.h
@@ -5,7 +5,7 @@
 ({                                                                      \
         typeof(as) __fc_i, __fc_as = (as) - 1;                          \
         typeof(x) __fc_x = (x);                                         \
-        typeof(*a) *__fc_a = (a);                                       \
+        typeof(*a) const *__fc_a = (a);                                 \
         for (__fc_i = 0; __fc_i < __fc_as; __fc_i++) {                  \
                 if (__fc_x op DIV_ROUND_CLOSEST(__fc_a[__fc_i] +        \
                                                 __fc_a[__fc_i + 1], 2)) \