From 37c9fc3bdf9127a0b1bcf126fe193891ff15f8c0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jonathan=20Neusch=C3=A4fer?= <j.neuschaefer@gmx.net>
Date: Mon, 25 Jul 2016 02:20:43 +0200
Subject: [PATCH] UPSTREAM: arch/riscv: Remove spinlock code from atomic.h

These functions are not used anywhere.

BUG=None
BRANCH=None
TEST=None

Change-Id: Id8f9b2a67e531274e8666a85b2954319c33e3d91
Signed-off-by: Jonathan Neuschfer <j.neuschaefer@gmx.net>
Reviewed-on: https://review.coreboot.org/15829
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
Reviewed-on: https://chromium-review.googlesource.com/365311
Commit-Ready: Furquan Shaikh <furquan@chromium.org>
Tested-by: Furquan Shaikh <furquan@chromium.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
---
 src/arch/riscv/include/atomic.h | 29 -----------------------------
 1 file changed, 29 deletions(-)

diff --git a/src/arch/riscv/include/atomic.h b/src/arch/riscv/include/atomic.h
index 7141d7ba74..df455b9e5b 100644
--- a/src/arch/riscv/include/atomic.h
+++ b/src/arch/riscv/include/atomic.h
@@ -65,33 +65,4 @@ typedef struct { int lock; } spinlock_t;
   res; })
 #endif
 
-static inline void spinlock_lock(spinlock_t* lock)
-{
-  do
-  {
-    while (atomic_read(&lock->lock))
-      ;
-  } while (atomic_swap(&lock->lock, -1));
-  mb();
-}
-
-static inline void spinlock_unlock(spinlock_t* lock)
-{
-  mb();
-  atomic_set(&lock->lock,0);
-}
-
-static inline long spinlock_lock_irqsave(spinlock_t* lock)
-{
-  long flags = disable_irqsave();
-  spinlock_lock(lock);
-  return flags;
-}
-
-static inline void spinlock_unlock_irqrestore(spinlock_t* lock, long flags)
-{
-  spinlock_unlock(lock);
-  enable_irqrestore(flags);
-}
-
 #endif