commit dd93587be8dc8acf23a0d8a23efc74a91d8f0dfe
author Peter De Schrijver <pdeschrijver@nvidia.com> Wed Apr 03 17:40:37 2013 +0300
committer Stephen Warren <swarren@nvidia.com> Thu Apr 04 16:10:38 2013 -0600
tree 10a49812292f09a9b5d5d33fb09cc895dfb16b32
parent dba4072a4a20b2986562cced98ce04a887614528

clk: tegra: Add TEGRA_PLL_BYPASS flag

Not all PLLs in Tegra114 have a bypass bit. Adapt the common code to only use
this bit when available.

Signed-off-by: Peter De Schrijver <pdeschrijver@nvidia.com>
Acked-by: Mike Turquette <mturquette@linaro.org>
Signed-off-by: Stephen Warren <swarren@nvidia.com>

drivers/clk/tegra/clk-pll.c

diff --git a/drivers/clk/tegra/clk-pll.c b/drivers/clk/tegra/clk-pll.c
index 3feefb1..4ee6d03 100644
--- a/drivers/clk/tegra/clk-pll.c
+++ b/drivers/clk/tegra/clk-pll.c
@@ -171,7 +171,8 @@
 	clk_pll_enable_lock(pll);
 
 	val = pll_readl_base(pll);
-	val &= ~PLL_BASE_BYPASS;
+	if (pll->flags & TEGRA_PLL_BYPASS)
+		val &= ~PLL_BASE_BYPASS;
 	val |= PLL_BASE_ENABLE;
 	pll_writel_base(val, pll);
 
@@ -188,7 +189,9 @@
 	u32 val;
 
 	val = pll_readl_base(pll);
-	val &= ~(PLL_BASE_BYPASS | PLL_BASE_ENABLE);
+	if (pll->flags & TEGRA_PLL_BYPASS)
+		val &= ~PLL_BASE_BYPASS;
+	val &= ~PLL_BASE_ENABLE;
 	pll_writel_base(val, pll);
 
 	if (pll->flags & TEGRA_PLLM) {
@@ -459,7 +462,7 @@
 
 	val = pll_readl_base(pll);
 
-	if (val & PLL_BASE_BYPASS)
+	if ((pll->flags & TEGRA_PLL_BYPASS) && (val & PLL_BASE_BYPASS))
 		return parent_rate;
 
 	if ((pll->flags & TEGRA_PLL_FIXED) && !(val & PLL_BASE_OVERRIDE)) {
@@ -671,6 +674,7 @@
 	struct tegra_clk_pll *pll;
 	struct clk *clk;
 
+	pll_flags |= TEGRA_PLL_BYPASS;
 	pll = _tegra_init_pll(clk_base, pmc, fixed_rate, pll_params, pll_flags,
 			      freq_table, lock);
 	if (IS_ERR(pll))
@@ -692,8 +696,8 @@
 {
 	struct tegra_clk_pll *pll;
 	struct clk *clk;
-	pll_flags |= TEGRA_PLL_LOCK_MISC;
 
+	pll_flags |= TEGRA_PLL_LOCK_MISC | TEGRA_PLL_BYPASS;
 	pll = _tegra_init_pll(clk_base, pmc, fixed_rate, pll_params, pll_flags,
 			      freq_table, lock);
 	if (IS_ERR(pll))