From: Colin Cross <ccross@android.com>
Date: Wed, 1 Dec 2010 23:59:27 +0000 (-0800)
Subject: ARM: tegra: stingray: Disable core dvfs on P1 hardware
X-Git-Tag: firefly_0821_release~9834^2~298
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=5af9cc655ae1c31f559aa56959f440863771b363;p=firefly-linux-kernel-4.4.55.git

ARM: tegra: stingray: Disable core dvfs on P1 hardware

Change-Id: I719d2be38d33ee6ed53fc6975f06b0b8bef5bd48
Signed-off-by: Colin Cross <ccross@android.com>
---

diff --git a/arch/arm/mach-tegra/board-stingray.c b/arch/arm/mach-tegra/board-stingray.c
index a746011b0976..58c13c2fb7a9 100644
--- a/arch/arm/mach-tegra/board-stingray.c
+++ b/arch/arm/mach-tegra/board-stingray.c
@@ -972,6 +972,11 @@ static void __init tegra_stingray_init(void)
 		gpio_export(TEGRA_GPIO_PZ5, false);
 	}
 
+	if (stingray_revision() <= STINGRAY_REVISION_P1) {
+		pr_info("Disabling core dvfs on P1 hardware\n");
+		tegra_dvfs_rail_disable_by_name("vdd_core");
+	}
+
 	stingray_pinmux_init();
 
 	tegra_clk_init_from_table(stingray_clk_init_table);