[PATCH 12/14] ARM: tegra: tegra_powergate_is_powered should be static

[Olof Johansson]

Not used externally and not exported.

Also, fix return type and change to instead WARN_ON on bad parameters.

Signed-off-by: Olof Johansson <olof at lixom.net>
---
 arch/arm/mach-tegra/include/mach/powergate.h |    1 -
 arch/arm/mach-tegra/powergate.c              |    5 ++---
 2 files changed, 2 insertions(+), 4 deletions(-)

diff --git a/arch/arm/mach-tegra/include/mach/powergate.h b/arch/arm/mach-tegra/include/mach/powergate.h
index 401d1b7..39c396d 100644
--- a/arch/arm/mach-tegra/include/mach/powergate.h
+++ b/arch/arm/mach-tegra/include/mach/powergate.h
@@ -31,7 +31,6 @@
 
 int tegra_powergate_power_on(int id);
 int tegra_powergate_power_off(int id);
-bool tegra_powergate_is_powered(int id);
 int tegra_powergate_remove_clamping(int id);
 
 /* Must be called with clk disabled, and returns with clk enabled */
diff --git a/arch/arm/mach-tegra/powergate.c b/arch/arm/mach-tegra/powergate.c
index 3cee9aa..9483064 100644
--- a/arch/arm/mach-tegra/powergate.c
+++ b/arch/arm/mach-tegra/powergate.c
@@ -89,12 +89,11 @@ int tegra_powergate_power_off(int id)
 	return tegra_powergate_set(id, false);
 }
 
-bool tegra_powergate_is_powered(int id)
+static bool tegra_powergate_is_powered(int id)
 {
 	u32 status;
 
-	if (id < 0 || id >= TEGRA_NUM_POWERGATE)
-		return -EINVAL;
+	WARN_ON(id < 0 || id >= TEGRA_NUM_POWERGATE);
 
 	status = pmc_read(PWRGATE_STATUS) & (1 << id);
 	return !!status;
-- 
1.7.4.1