diff options
| -rw-r--r-- | drivers/clk/zynqmp/divider.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/clk/zynqmp/divider.c b/drivers/clk/zynqmp/divider.c index a371c66e72ef..e146b6fac6b2 100644 --- a/drivers/clk/zynqmp/divider.c +++ b/drivers/clk/zynqmp/divider.c @@ -76,6 +76,13 @@ static unsigned long zynqmp_clk_divider_recalc_rate(struct clk_hw *hw, else value = div >> 16; + if (!value) { + WARN(!(divider->flags & CLK_DIVIDER_ALLOW_ZERO), + "%s: Zero divisor and CLK_DIVIDER_ALLOW_ZERO not set\n", + clk_name); + return parent_rate; + } + return DIV_ROUND_UP_ULL(parent_rate, value); } |