linux-kernel - [PATCH 17/19] clk: tegra: pll: Fix _pll_ramp_calc

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Message-ID: <1429894079-25052-18-git-send-email-rklein@nvidia.com>
Date:	Fri, 24 Apr 2015 12:47:57 -0400
From:	Rhyland Klein <rklein@...dia.com>
To:	Peter De Schrijver <pdeschrijver@...dia.com>
CC:	Mike Turquette <mturquette@...aro.org>,
	Stephen Warren <swarren@...dotorg.org>,
	Stephen Boyd <sboyd@...eaurora.org>,
	Thierry Reding <thierry.reding@...il.com>,
	Alexandre Courbot <gnurou@...il.com>,
	Bill Huang <bilhuang@...dia.com>,
	Paul Walmsley <pwalmsley@...dia.com>,
	linux-clk@...r.kernel.org, linux-tegra@...r.kernel.org,
	linux-kernel@...r.kernel.org, Rhyland Klein <rklein@...dia.com>
Subject: [PATCH 17/19] clk: tegra: pll: Fix _pll_ramp_calc_pll logic

This removes the conversion from pdiv to hw, which is already taken
care of by _get_table_rate before this code is run. This avoids
incorrectly converting pdiv to hw twice and getting the wrong hw value.

Signed-off-by: Rhyland Klein <rklein@...dia.com>
---
 drivers/clk/tegra/clk-pll.c |    7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/drivers/clk/tegra/clk-pll.c b/drivers/clk/tegra/clk-pll.c
index 68b42be060c7..fdf322015d76 100644
--- a/drivers/clk/tegra/clk-pll.c
+++ b/drivers/clk/tegra/clk-pll.c
@@ -1038,7 +1038,7 @@ static int _pll_ramp_calc_pll(struct clk_hw *hw,
 			      unsigned long rate, unsigned long parent_rate)
 {
 	struct tegra_clk_pll *pll = to_clk_pll(hw);
-	int err = 0, p_div;
+	int err = 0;
 
 	err = _get_table_rate(hw, cfg, rate, parent_rate);
 	if (err < 0)
@@ -1049,11 +1049,6 @@ static int _pll_ramp_calc_pll(struct clk_hw *hw,
 			err = -EINVAL;
 			goto out;
 		}
-		p_div = _p_div_to_hw(hw, cfg->p);
-		if (p_div < 0)
-			return p_div;
-		else
-			cfg->p = p_div;
 	}
 
 	if (cfg->p >  pll->params->max_p)
-- 
1.7.9.5

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