3 files changed, 40 insertions, 4 deletions

diff --git a/include/asm-sparc64/spinlock.h b/include/asm-sparc64/spinlock.h
index ec85d12d73b9..508c416e9d6a 100644
--- a/include/asm-sparc64/spinlock.h
+++ b/include/asm-sparc64/spinlock.h
@@ -131,6 +131,28 @@ static void inline __read_lock(raw_rwlock_t *lock)
         : "memory");
 }
 
+static int inline __read_trylock(raw_rwlock_t *lock)
+{
+        int tmp1, tmp2;
+
+        __asm__ __volatile__ (
+"1:     ldsw            [%2], %0\n"
+"       brlz,a,pn       %0, 2f\n"
+"        mov            0, %0\n"
+"       add             %0, 1, %1\n"
+"       cas             [%2], %0, %1\n"
+"       cmp             %0, %1\n"
+"       membar          #StoreLoad | #StoreStore\n"
+"       bne,pn          %%icc, 1b\n"
+"        mov            1, %0\n"
+"2:"
+        : "=&r" (tmp1), "=&r" (tmp2)
+        : "r" (lock)
+        : "memory");
+
+        return tmp1;
+}
+
 static void inline __read_unlock(raw_rwlock_t *lock)
 {
         unsigned long tmp1, tmp2;
@@ -211,12 +233,12 @@ static int inline __write_trylock(raw_rwlock_t *lock)
 }
 
 #define __raw_read_lock(p)      __read_lock(p)
+#define __raw_read_trylock(p)   __read_trylock(p)
 #define __raw_read_unlock(p)    __read_unlock(p)
 #define __raw_write_lock(p)     __write_lock(p)
 #define __raw_write_unlock(p)   __write_unlock(p)
 #define __raw_write_trylock(p)  __write_trylock(p)
 
-#define __raw_read_trylock(lock)        generic__raw_read_trylock(lock)
 #define __raw_read_can_lock(rw)         (!((rw)->lock & 0x80000000UL))
 #define __raw_write_can_lock(rw)        (!(rw)->lock)
 
diff --git a/include/linux/netfilter/x_tables.h b/include/linux/netfilter/x_tables.h
index 59ff6c430cf6..6500d4e59d46 100644
--- a/include/linux/netfilter/x_tables.h
+++ b/include/linux/netfilter/x_tables.h
@@ -19,7 +19,21 @@ struct xt_get_revision
 /* For standard target */
 #define XT_RETURN (-NF_REPEAT - 1)
 
-#define XT_ALIGN(s) (((s) + (__alignof__(u_int64_t)-1)) & ~(__alignof__(u_int64_t)-1))
+/* this is a dummy structure to find out the alignment requirement for a struct
+ * containing all the fundamental data types that are used in ipt_entry,
+ * ip6t_entry and arpt_entry.  This sucks, and it is a hack.  It will be my
+ * personal pleasure to remove it -HW
+ */
+struct _xt_align
+{
+        u_int8_t u8;
+        u_int16_t u16;
+        u_int32_t u32;
+        u_int64_t u64;
+};
+
+#define XT_ALIGN(s) (((s) + (__alignof__(struct _xt_align)-1))  \
+                        & ~(__alignof__(struct _xt_align)-1))
 
 /* Standard return verdict, or do jump. */
 #define XT_STANDARD_TARGET ""
diff --git a/include/net/ieee80211.h b/include/net/ieee80211.h
index df05f468fa5c..9a92aef8b0b2 100644
--- a/include/net/ieee80211.h
+++ b/include/net/ieee80211.h
@@ -803,9 +803,9 @@ enum ieee80211_state {
 #define IEEE80211_24GHZ_MAX_CHANNEL 14
 #define IEEE80211_24GHZ_CHANNELS    14
 
-#define IEEE80211_52GHZ_MIN_CHANNEL 36
+#define IEEE80211_52GHZ_MIN_CHANNEL 34
 #define IEEE80211_52GHZ_MAX_CHANNEL 165
-#define IEEE80211_52GHZ_CHANNELS    32
+#define IEEE80211_52GHZ_CHANNELS    131
 
 enum {
         IEEE80211_CH_PASSIVE_ONLY = (1 << 0),