diff options
Diffstat (limited to 'drivers/clk/mmp/clk-audio.c')
| -rw-r--r-- | drivers/clk/mmp/clk-audio.c | 28 |
1 files changed, 15 insertions, 13 deletions
diff --git a/drivers/clk/mmp/clk-audio.c b/drivers/clk/mmp/clk-audio.c index 7aa7f4a9564f..ed27fc796c94 100644 --- a/drivers/clk/mmp/clk-audio.c +++ b/drivers/clk/mmp/clk-audio.c @@ -55,6 +55,8 @@ #define SSPA_AUD_PLL_CTRL1_DIV_OCLK_PATTERN_MASK (0x7ff << 0) #define SSPA_AUD_PLL_CTRL1_DIV_OCLK_PATTERN(x) ((x) << 0) +#define CLK_AUDIO_NR_CLKS 3 + struct mmp2_audio_clk { void __iomem *mmio_base; @@ -162,23 +164,23 @@ static unsigned long audio_pll_recalc_rate(struct clk_hw *hw, return 0; } -static long audio_pll_round_rate(struct clk_hw *hw, unsigned long rate, - unsigned long *parent_rate) +static int audio_pll_determine_rate(struct clk_hw *hw, + struct clk_rate_request *req) { unsigned int prediv; unsigned int postdiv; long rounded = 0; for (prediv = 0; prediv < ARRAY_SIZE(predivs); prediv++) { - if (predivs[prediv].parent_rate != *parent_rate) + if (predivs[prediv].parent_rate != req->best_parent_rate) continue; for (postdiv = 0; postdiv < ARRAY_SIZE(postdivs); postdiv++) { long freq = predivs[prediv].freq_vco; freq /= postdivs[postdiv].divisor; - if (freq == rate) - return rate; - if (freq < rate) + if (freq == req->rate) + return 0; + if (freq < req->rate) continue; if (rounded && freq > rounded) continue; @@ -186,7 +188,9 @@ static long audio_pll_round_rate(struct clk_hw *hw, unsigned long rate, } } - return rounded; + req->rate = rounded; + + return 0; } static int audio_pll_set_rate(struct clk_hw *hw, unsigned long rate, @@ -226,7 +230,7 @@ static int audio_pll_set_rate(struct clk_hw *hw, unsigned long rate, static const struct clk_ops audio_pll_ops = { .recalc_rate = audio_pll_recalc_rate, - .round_rate = audio_pll_round_rate, + .determine_rate = audio_pll_determine_rate, .set_rate = audio_pll_set_rate, }; @@ -336,7 +340,7 @@ static int register_clocks(struct mmp2_audio_clk *priv, struct device *dev) priv->clk_data.hws[MMP2_CLK_AUDIO_SYSCLK] = &priv->sysclk_gate.hw; priv->clk_data.hws[MMP2_CLK_AUDIO_SSPA0] = &priv->sspa0_gate.hw; priv->clk_data.hws[MMP2_CLK_AUDIO_SSPA1] = &priv->sspa1_gate.hw; - priv->clk_data.num = MMP2_CLK_AUDIO_NR_CLKS; + priv->clk_data.num = CLK_AUDIO_NR_CLKS; return of_clk_add_hw_provider(dev->of_node, of_clk_hw_onecell_get, &priv->clk_data); @@ -349,7 +353,7 @@ static int mmp2_audio_clk_probe(struct platform_device *pdev) priv = devm_kzalloc(&pdev->dev, struct_size(priv, clk_data.hws, - MMP2_CLK_AUDIO_NR_CLKS), + CLK_AUDIO_NR_CLKS), GFP_KERNEL); if (!priv) return -ENOMEM; @@ -384,12 +388,10 @@ disable_pm_runtime: return ret; } -static int mmp2_audio_clk_remove(struct platform_device *pdev) +static void mmp2_audio_clk_remove(struct platform_device *pdev) { pm_clk_destroy(&pdev->dev); pm_runtime_disable(&pdev->dev); - - return 0; } #ifdef CONFIG_PM |