diff options
Diffstat (limited to 'drivers/clk/at91')
| -rw-r--r-- | drivers/clk/at91/clk-master.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/clk/at91/clk-master.c b/drivers/clk/at91/clk-master.c index 2093e13b5068..6da9ae34313a 100644 --- a/drivers/clk/at91/clk-master.c +++ b/drivers/clk/at91/clk-master.c @@ -186,8 +186,8 @@ static int clk_master_div_set_rate(struct clk_hw *hw, unsigned long rate, if (ret) goto unlock; - tmp = mckr & master->layout->mask; - tmp = (tmp >> MASTER_DIV_SHIFT) & MASTER_DIV_MASK; + mckr &= master->layout->mask; + tmp = (mckr >> MASTER_DIV_SHIFT) & MASTER_DIV_MASK; if (tmp == div) goto unlock; @@ -384,6 +384,7 @@ static unsigned long clk_master_pres_recalc_rate(struct clk_hw *hw, regmap_read(master->regmap, master->layout->offset, &val); spin_unlock_irqrestore(master->lock, flags); + val &= master->layout->mask; pres = (val >> master->layout->pres_shift) & MASTER_PRES_MASK; if (pres == 3 && characteristics->have_div3_pres) pres = 3; @@ -403,6 +404,8 @@ static u8 clk_master_pres_get_parent(struct clk_hw *hw) regmap_read(master->regmap, master->layout->offset, &mckr); spin_unlock_irqrestore(master->lock, flags); + mckr &= master->layout->mask; + return mckr & AT91_PMC_CSS; } |