diff options
Diffstat (limited to 'drivers/clk/at91/clk-generated.c')
| -rw-r--r-- | drivers/clk/at91/clk-generated.c | 30 |
1 files changed, 12 insertions, 18 deletions
diff --git a/drivers/clk/at91/clk-generated.c b/drivers/clk/at91/clk-generated.c index 33481368740e..ea23002be4de 100644 --- a/drivers/clk/at91/clk-generated.c +++ b/drivers/clk/at91/clk-generated.c @@ -153,6 +153,8 @@ static int clk_generated_determine_rate(struct clk_hw *hw, continue; div = DIV_ROUND_CLOSEST(parent_rate, req->rate); + if (div > GENERATED_MAX_DIV + 1) + div = GENERATED_MAX_DIV + 1; clk_generated_best_diff(req, parent, parent_rate, div, &best_diff, &best_rate); @@ -282,7 +284,7 @@ static void clk_generated_startup(struct clk_generated *gck) static struct clk_hw * __init at91_clk_register_generated(struct regmap *regmap, spinlock_t *lock, const char *name, const char **parent_names, - u8 num_parents, u8 id, + u8 num_parents, u8 id, bool pll_audio, const struct clk_range *range) { struct clk_generated *gck; @@ -306,6 +308,7 @@ at91_clk_register_generated(struct regmap *regmap, spinlock_t *lock, gck->regmap = regmap; gck->lock = lock; gck->range = *range; + gck->audio_pll_allowed = pll_audio; clk_generated_startup(gck); hw = &gck->hw; @@ -331,7 +334,6 @@ static void __init of_sama5d2_clk_generated_setup(struct device_node *np) struct device_node *gcknp; struct clk_range range = CLK_RANGE(0, 0); struct regmap *regmap; - struct clk_generated *gck; num_parents = of_clk_get_parent_count(np); if (num_parents == 0 || num_parents > GENERATED_SOURCE_MAX) @@ -348,6 +350,8 @@ static void __init of_sama5d2_clk_generated_setup(struct device_node *np) return; for_each_child_of_node(np, gcknp) { + bool pll_audio = false; + if (of_property_read_u32(gcknp, "reg", &id)) continue; @@ -360,24 +364,14 @@ static void __init of_sama5d2_clk_generated_setup(struct device_node *np) of_at91_get_clk_range(gcknp, "atmel,clk-output-range", &range); + if (of_device_is_compatible(np, "atmel,sama5d2-clk-generated") && + (id == GCK_ID_I2S0 || id == GCK_ID_I2S1 || + id == GCK_ID_CLASSD)) + pll_audio = true; + hw = at91_clk_register_generated(regmap, &pmc_pcr_lock, name, parent_names, num_parents, - id, &range); - - gck = to_clk_generated(hw); - - if (of_device_is_compatible(np, - "atmel,sama5d2-clk-generated")) { - if (gck->id == GCK_ID_SSC0 || gck->id == GCK_ID_SSC1 || - gck->id == GCK_ID_I2S0 || gck->id == GCK_ID_I2S1 || - gck->id == GCK_ID_CLASSD) - gck->audio_pll_allowed = true; - else - gck->audio_pll_allowed = false; - } else { - gck->audio_pll_allowed = false; - } - + id, pll_audio, &range); if (IS_ERR(hw)) continue; |