Make sure the rate param table is available before using it.
Some read-only pll don't provide it, which is ok because the
table is not used by read-only clock. R/W clock are supposed
to provide it, but it does not hurt check it.
Signed-off-by: Jerome Brunet <jbru...@baylibre.com>
---
drivers/clk/meson/clk-pll.c | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/drivers/clk/meson/clk-pll.c b/drivers/clk/meson/clk-pll.c
index 01341553f50b..2614341fc4ad 100644
--- a/drivers/clk/meson/clk-pll.c
+++ b/drivers/clk/meson/clk-pll.c
@@ -94,6 +94,13 @@ static long meson_clk_pll_round_rate(struct clk_hw *hw,
unsigned long rate,
const struct pll_rate_table *rate_table = pll->rate_table;
int i;
+ /*
+ * if the table is missing, just return the current rate
+ * since we don't have the other available frequencies
+ */
+ if (!rate_table)
+ return meson_clk_pll_recalc_rate(hw, *parent_rate);
+
for (i = 0; i < pll->rate_count; i++) {
if (rate <= rate_table[i].rate)
return rate_table[i].rate;
@@ -109,6 +116,9 @@ static const struct pll_rate_table
*meson_clk_get_pll_settings(struct meson_clk_
const struct pll_rate_table *rate_table = pll->rate_table;
int i;
+ if (!rate_table)
+ return NULL;
+
for (i = 0; i < pll->rate_count; i++) {
if (rate == rate_table[i].rate)
return &rate_table[i];
--
2.14.3
