[Bluetooth] Add support for newer ANYCOM USB dongles

[pandora-kernel.git] / arch / i386 / lib / semaphore.S

diff --git a/arch/i386/lib/semaphore.S b/arch/i386/lib/semaphore.S
index e16ff16..c01eb39 100644 (file)
--- a/arch/i386/lib/semaphore.S
+++ b/arch/i386/lib/semaphore.S
@@ -13,7 +13,6 @@
  * rw semaphores implemented November 1999 by Benjamin LaHaise <bcrl@kvack.org>
  */
 
-#include <linux/config.h>
 #include <linux/linkage.h>
 #include <asm/rwlock.h>
 #include <asm/alternative-asm.i>
@@ -152,3 +151,69 @@ ENTRY(__read_lock_failed)
        END(__read_lock_failed)
 
 #endif
+
+#ifdef CONFIG_RWSEM_XCHGADD_ALGORITHM
+
+/* Fix up special calling conventions */
+ENTRY(call_rwsem_down_read_failed)
+       CFI_STARTPROC
+       push %ecx
+       CFI_ADJUST_CFA_OFFSET 4
+       CFI_REL_OFFSET ecx,0
+       push %edx
+       CFI_ADJUST_CFA_OFFSET 4
+       CFI_REL_OFFSET edx,0
+       call rwsem_down_read_failed
+       pop %edx
+       CFI_ADJUST_CFA_OFFSET -4
+       pop %ecx
+       CFI_ADJUST_CFA_OFFSET -4
+       ret
+       CFI_ENDPROC
+       END(call_rwsem_down_read_failed)
+
+ENTRY(call_rwsem_down_write_failed)
+       CFI_STARTPROC
+       push %ecx
+       CFI_ADJUST_CFA_OFFSET 4
+       CFI_REL_OFFSET ecx,0
+       calll rwsem_down_write_failed
+       pop %ecx
+       CFI_ADJUST_CFA_OFFSET -4
+       ret
+       CFI_ENDPROC
+       END(call_rwsem_down_write_failed)
+
+ENTRY(call_rwsem_wake)
+       CFI_STARTPROC
+       decw %dx    /* do nothing if still outstanding active readers */
+       jnz 1f
+       push %ecx
+       CFI_ADJUST_CFA_OFFSET 4
+       CFI_REL_OFFSET ecx,0
+       call rwsem_wake
+       pop %ecx
+       CFI_ADJUST_CFA_OFFSET -4
+1:     ret
+       CFI_ENDPROC
+       END(call_rwsem_wake)
+
+/* Fix up special calling conventions */
+ENTRY(call_rwsem_downgrade_wake)
+       CFI_STARTPROC
+       push %ecx
+       CFI_ADJUST_CFA_OFFSET 4
+       CFI_REL_OFFSET ecx,0
+       push %edx
+       CFI_ADJUST_CFA_OFFSET 4
+       CFI_REL_OFFSET edx,0
+       call rwsem_downgrade_wake
+       pop %edx
+       CFI_ADJUST_CFA_OFFSET -4
+       pop %ecx
+       CFI_ADJUST_CFA_OFFSET -4
+       ret
+       CFI_ENDPROC
+       END(call_rwsem_downgrade_wake)
+
+#endif