From: Bill Huang <bilhuang@nvidia.com>
Date: Thu, 18 Jun 2015 21:28:38 +0000 (-0400)
Subject: clk: tegra: Fix WARN_ON in PLL_RE registration
X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=a4ca2b2fe7252032022d14b4efd462161c91165b;p=deliverable%2Flinux.git

clk: tegra: Fix WARN_ON in PLL_RE registration

This fixes two things.

- Read the correct IDDQ register
- Check the correct IDDQ bit position

Signed-off-by: Bill Huang <bilhuang@nvidia.com>
Reviewed-by: Benson Leung <bleung@chromium.org>
Signed-off-by: Rhyland Klein <rklein@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
---

diff --git a/drivers/clk/tegra/clk-pll.c b/drivers/clk/tegra/clk-pll.c
index 731c6857c895..9ca1120262f0 100644
--- a/drivers/clk/tegra/clk-pll.c
+++ b/drivers/clk/tegra/clk-pll.c
@@ -1735,7 +1735,8 @@ struct clk *tegra_clk_register_pllre(const char *name, const char *parent_name,
 
 	val = pll_readl_base(pll);
 	if (val & PLL_BASE_ENABLE)
-		WARN_ON(val & pll_params->iddq_bit_idx);
+		WARN_ON(readl_relaxed(clk_base + pll_params->iddq_reg) &
+				BIT(pll_params->iddq_bit_idx));
 	else {
 		int m;