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| author | Tom Rini <trini@konsulko.com> | 2024-01-08 12:00:18 -0500 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2024-01-08 12:00:18 -0500 |
| commit | 93d91e9485d902a1836a22e72d1a545b587adf36 (patch) | |
| tree | f368b4e3c2220e7cd34c83bf192d8b674158d16b /drivers/clk/stm32/clk-stm32f.c | |
| parent | 866ca972d6c3cabeaf6dbac431e8e08bb30b3c8e (diff) | |
| parent | f28a77589e7505535a4eebdc7269df98f67dbe68 (diff) | |
Merge branch 'next'
Diffstat (limited to 'drivers/clk/stm32/clk-stm32f.c')
| -rw-r--r-- | drivers/clk/stm32/clk-stm32f.c | 25 |
1 files changed, 14 insertions, 11 deletions
diff --git a/drivers/clk/stm32/clk-stm32f.c b/drivers/clk/stm32/clk-stm32f.c index ed7660196ef..d68c75ed201 100644 --- a/drivers/clk/stm32/clk-stm32f.c +++ b/drivers/clk/stm32/clk-stm32f.c @@ -522,17 +522,20 @@ static ulong stm32_set_rate(struct clk *clk, ulong rate) /* get the current PLLSAIR output freq */ pllsair_rate = stm32_clk_get_pllsai_rate(priv, PLLSAIR); - best_div = pllsair_rate / rate; - - /* look into pllsaidivr_table if this divider is available*/ - for (i = 0 ; i < sizeof(pllsaidivr_table); i++) - if (best_div == pllsaidivr_table[i]) { - /* set pll_saidivr with found value */ - clrsetbits_le32(®s->dckcfgr, - RCC_DCKCFGR_PLLSAIDIVR_MASK, - pllsaidivr_table[i]); - return rate; - } + if ((pllsair_rate % rate) == 0) { + best_div = pllsair_rate / rate; + + /* look into pllsaidivr_table if this divider is available */ + for (i = 0 ; i < sizeof(pllsaidivr_table); i++) + if (best_div == pllsaidivr_table[i]) { + /* set pll_saidivr with found value */ + clrsetbits_le32(®s->dckcfgr, + RCC_DCKCFGR_PLLSAIDIVR_MASK, + pllsaidivr_table[i] << + RCC_DCKCFGR_PLLSAIDIVR_SHIFT); + return rate; + } + } /* * As no pllsaidivr value is suitable to obtain requested freq, |