diff options
Diffstat (limited to 'drivers/clk/tegra/clk-emc.c')
| -rw-r--r-- | drivers/clk/tegra/clk-emc.c | 36 |
1 files changed, 19 insertions, 17 deletions
diff --git a/drivers/clk/tegra/clk-emc.c b/drivers/clk/tegra/clk-emc.c index 7649685c86bc..138a94b99b5b 100644 --- a/drivers/clk/tegra/clk-emc.c +++ b/drivers/clk/tegra/clk-emc.c @@ -103,7 +103,7 @@ static unsigned long emc_recalc_rate(struct clk_hw *hw, * CCF wrongly assumes that the parent won't change during set_rate, * so get the parent rate explicitly. */ - parent_rate = __clk_get_rate(__clk_get_parent(hw->clk)); + parent_rate = clk_hw_get_rate(clk_hw_get_parent(hw)); val = readl(tegra->clk_regs + CLK_SOURCE_EMC); div = val & CLK_SOURCE_EMC_EMC_2X_CLK_DIVISOR_MASK; @@ -116,11 +116,7 @@ static unsigned long emc_recalc_rate(struct clk_hw *hw, * safer since things have EMC rate floors. Also don't touch parent_rate * since we don't want the CCF to play with our parent clocks. */ -static long emc_determine_rate(struct clk_hw *hw, unsigned long rate, - unsigned long min_rate, - unsigned long max_rate, - unsigned long *best_parent_rate, - struct clk_hw **best_parent_hw) +static int emc_determine_rate(struct clk_hw *hw, struct clk_rate_request *req) { struct tegra_clk_emc *tegra; u8 ram_code = tegra_read_ram_code(); @@ -135,22 +131,28 @@ static long emc_determine_rate(struct clk_hw *hw, unsigned long rate, timing = tegra->timings + i; - if (timing->rate > max_rate) { + if (timing->rate > req->max_rate) { i = min(i, 1); - return tegra->timings[i - 1].rate; + req->rate = tegra->timings[i - 1].rate; + return 0; } - if (timing->rate < min_rate) + if (timing->rate < req->min_rate) continue; - if (timing->rate >= rate) - return timing->rate; + if (timing->rate >= req->rate) { + req->rate = timing->rate; + return 0; + } } - if (timing) - return timing->rate; + if (timing) { + req->rate = timing->rate; + return 0; + } - return __clk_get_rate(hw->clk); + req->rate = clk_hw_get_rate(hw); + return 0; } static u8 emc_get_parent(struct clk_hw *hw) @@ -312,7 +314,7 @@ static int emc_set_rate(struct clk_hw *hw, unsigned long rate, tegra = container_of(hw, struct tegra_clk_emc, hw); - if (__clk_get_rate(hw->clk) == rate) + if (clk_hw_get_rate(hw) == rate) return 0; /* @@ -525,8 +527,8 @@ struct clk *tegra_clk_register_emc(void __iomem *base, struct device_node *np, if (IS_ERR(clk)) return clk; - tegra->prev_parent = clk_get_parent_by_index( - tegra->hw.clk, emc_get_parent(&tegra->hw)); + tegra->prev_parent = clk_hw_get_parent_by_index( + &tegra->hw, emc_get_parent(&tegra->hw))->clk; tegra->changing_timing = false; /* Allow debugging tools to see the EMC clock */ |