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path: root/drivers/clk/at91/clk-master.c
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Diffstat (limited to 'drivers/clk/at91/clk-master.c')
-rw-r--r--drivers/clk/at91/clk-master.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/clk/at91/clk-master.c b/drivers/clk/at91/clk-master.c
index a80427980bf7..2e410815a340 100644
--- a/drivers/clk/at91/clk-master.c
+++ b/drivers/clk/at91/clk-master.c
@@ -280,7 +280,7 @@ static int clk_master_pres_set_rate(struct clk_hw *hw, unsigned long rate,
else if (pres == 3)
pres = MASTER_PRES_MAX;
- else
+ else if (pres)
pres = ffs(pres) - 1;
spin_lock_irqsave(master->lock, flags);
@@ -610,7 +610,7 @@ static int clk_sama7g5_master_set_rate(struct clk_hw *hw, unsigned long rate,
if (div == 3)
div = MASTER_PRES_MAX;
- else
+ else if (div)
div = ffs(div) - 1;
spin_lock_irqsave(master->lock, flags);