ARM: tegra: emc: add reference counting to early ack disablement

Bug 995950

Signed-off-by: Sang-Hun Lee <sanlee@nvidia.com>
Reviewed-on: http://git-master/r/110190
(cherry picked from commit cbfc31fb126cd651157125d1785135eced6587dd)

Change-Id: I44eb889235db82b0efda238b87be5612425afb9d
Reviewed-on: http://git-master/r/110978
Reviewed-by: Simone Willett <swillett@nvidia.com>
Tested-by: Simone Willett <swillett@nvidia.com>

1 files changed, 11 insertions, 1 deletions

diff --git a/arch/arm/mach-tegra/include/mach/clk.h b/arch/arm/mach-tegra/include/mach/clk.h
index 0fbbf24d5959..01d322a448d1 100644
--- a/arch/arm/mach-tegra/include/mach/clk.h
+++ b/arch/arm/mach-tegra/include/mach/clk.h
@@ -6,7 +6,7 @@
  * Author:
  *	Erik Gilling <konkers@google.com>
  *
- * Copyright (C) 2010-2011 NVIDIA Corporation
+ * Copyright (C) 2010-2012 NVIDIA Corporation
  *
  * This software is licensed under the terms of the GNU General Public
  * License version 2, as published by the Free Software Foundation, and
@@ -47,10 +47,20 @@ static inline int tegra_dvfs_set_rate(struct clk *c, unsigned long rate)
 unsigned long clk_get_rate_all_locked(struct clk *c);
 #ifdef CONFIG_ARCH_TEGRA_2x_SOC
 void tegra_sdmmc_tap_delay(struct clk *c, int delay);
+
+static inline int tegra_emc_enable_eack(void) {
+	return 0;
+}
+
+static inline int tegra_emc_disable_eack(void) {
+	return 0;
+}
 #else
 static inline void tegra_sdmmc_tap_delay(struct clk *c, int delay)
 {
 }
+int tegra_emc_enable_eack(void);
+int tegra_emc_disable_eack(void);
 #endif
 int tegra_dvfs_rail_disable_by_name(const char *reg_id);
 int tegra_clk_cfg_ex(struct clk *c, enum tegra_clk_ex_param p, u32 setting);