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path: root/drivers/clk/clk-divider.c
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Diffstat (limited to 'drivers/clk/clk-divider.c')
-rw-r--r--drivers/clk/clk-divider.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/clk/clk-divider.c b/drivers/clk/clk-divider.c
index 9bb472cccca6..4ed516cb7276 100644
--- a/drivers/clk/clk-divider.c
+++ b/drivers/clk/clk-divider.c
@@ -385,12 +385,14 @@ static int clk_divider_set_rate(struct clk_hw *hw, unsigned long rate,
unsigned long parent_rate)
{
struct clk_divider *divider = to_clk_divider(hw);
- unsigned int value;
+ int value;
unsigned long flags = 0;
u32 val;
value = divider_get_val(rate, parent_rate, divider->table,
divider->width, divider->flags);
+ if (value < 0)
+ return value;
if (divider->lock)
spin_lock_irqsave(divider->lock, flags);
@@ -403,7 +405,7 @@ static int clk_divider_set_rate(struct clk_hw *hw, unsigned long rate,
val = clk_readl(divider->reg);
val &= ~(div_mask(divider->width) << divider->shift);
}
- val |= value << divider->shift;
+ val |= (u32)value << divider->shift;
clk_writel(val, divider->reg);
if (divider->lock)