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-rw-r--r--drivers/clk/tegra/clk-pll.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/clk/tegra/clk-pll.c b/drivers/clk/tegra/clk-pll.c
index 830d1c87fa7c..b50b7460014b 100644
--- a/drivers/clk/tegra/clk-pll.c
+++ b/drivers/clk/tegra/clk-pll.c
@@ -590,12 +590,13 @@ static int _calc_rate(struct clk_hw *hw, struct tegra_clk_pll_freq_table *cfg,
cfg->n = cfg->output_rate / cfreq;
cfg->cpcon = OUT_OF_TABLE_CPCON;
- if (cfg->m > divm_max(pll) || cfg->n > divn_max(pll) ||
- (1 << p_div) > divp_max(pll)
- || cfg->output_rate > pll->params->vco_max) {
+ if (cfg->m == 0 || cfg->m > divm_max(pll) ||
+ cfg->n > divn_max(pll) || (1 << p_div) > divp_max(pll) ||
+ cfg->output_rate > pll->params->vco_max) {
return -EINVAL;
}
+ cfg->output_rate = cfg->n * DIV_ROUND_UP(parent_rate, cfg->m);
cfg->output_rate >>= p_div;
if (pll->params->pdiv_tohw) {