From: Dima Zavin <dima@android.com>
Date: Thu, 28 Oct 2010 21:24:02 +0000 (-0700)
Subject: ARM: tegra: nvrm: enable/disable avp.sclk on remote clock requests
X-Git-Tag: firefly_0821_release~9834^2~368
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=0100d7ce63693ce17bfce4d15514ffa53e09c660;p=firefly-linux-kernel-4.4.55.git

ARM: tegra: nvrm: enable/disable avp.sclk on remote clock requests

Change-Id: Ib87fa7dd57b3742926f6d631de01ea99f57d0ce0
Signed-off-by: Dima Zavin <dima@android.com>
---

diff --git a/arch/arm/mach-tegra/nv/nvrm/core/common/nvrm_power.c b/arch/arm/mach-tegra/nv/nvrm/core/common/nvrm_power.c
index fd93eb66ea37..b085ccf130e2 100644
--- a/arch/arm/mach-tegra/nv/nvrm/core/common/nvrm_power.c
+++ b/arch/arm/mach-tegra/nv/nvrm/core/common/nvrm_power.c
@@ -78,6 +78,10 @@ NvError NvRmPowerModuleClockControl(
     const char *bsea_names[] = { "bsea", NULL };
     const char *vde_names[] = { "vde", NULL };
     const char **names = NULL;
+    static struct clk *sclk = NULL;
+
+    if (!sclk)
+        sclk = clk_get_sys("tegra-avp", "sclk");
 
     if (is_vcp(ModuleId))
         names = vcp_names;
@@ -101,10 +105,15 @@ NvError NvRmPowerModuleClockControl(
             continue;
         }
 
-        if (Enable)
+        if (Enable) {
+            if (sclk)
+                clk_enable(sclk);
             clk_enable(clk);
-        else
+        } else {
+            if (sclk)
+                clk_disable(sclk);
             clk_disable(clk);
+        }
     }
 
     return NvSuccess;