diff options
Diffstat (limited to 'drivers/clk/rockchip/clk.c')
| -rw-r--r-- | drivers/clk/rockchip/clk.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/clk/rockchip/clk.c b/drivers/clk/rockchip/clk.c index 4c3f55dcd829..7cb2f3e09269 100644 --- a/drivers/clk/rockchip/clk.c +++ b/drivers/clk/rockchip/clk.c @@ -181,6 +181,11 @@ void rockchip_fractional_approximation(struct clk_hw *hw, p_parent = clk_hw_get_parent(clk_hw_get_parent(hw)); p_parent_rate = clk_hw_get_rate(p_parent); *parent_rate = p_parent_rate; + if (*parent_rate < rate * 20) { + pr_err("%s parent_rate(%ld) is low than rate(%ld)*20, fractional div is not allowed\n", + clk_hw_get_name(hw), *parent_rate, rate); + return; + } } /* |