diff options
Diffstat (limited to 'drivers/clk/clk-multiplier.c')
| -rw-r--r-- | drivers/clk/clk-multiplier.c | 23 |
1 files changed, 20 insertions, 3 deletions
diff --git a/drivers/clk/clk-multiplier.c b/drivers/clk/clk-multiplier.c index 3c86f859c199..e507aa958da9 100644 --- a/drivers/clk/clk-multiplier.c +++ b/drivers/clk/clk-multiplier.c @@ -7,10 +7,27 @@ #include <linux/clk-provider.h> #include <linux/err.h> #include <linux/export.h> +#include <linux/io.h> #include <linux/kernel.h> #include <linux/of.h> #include <linux/slab.h> +static inline u32 clk_mult_readl(struct clk_multiplier *mult) +{ + if (mult->flags & CLK_MULTIPLIER_BIG_ENDIAN) + return ioread32be(mult->reg); + + return readl(mult->reg); +} + +static inline void clk_mult_writel(struct clk_multiplier *mult, u32 val) +{ + if (mult->flags & CLK_MULTIPLIER_BIG_ENDIAN) + iowrite32be(val, mult->reg); + else + writel(val, mult->reg); +} + static unsigned long __get_mult(struct clk_multiplier *mult, unsigned long rate, unsigned long parent_rate) @@ -27,7 +44,7 @@ static unsigned long clk_multiplier_recalc_rate(struct clk_hw *hw, struct clk_multiplier *mult = to_clk_multiplier(hw); unsigned long val; - val = clk_readl(mult->reg) >> mult->shift; + val = clk_mult_readl(mult) >> mult->shift; val &= GENMASK(mult->width - 1, 0); if (!val && mult->flags & CLK_MULTIPLIER_ZERO_BYPASS) @@ -118,10 +135,10 @@ static int clk_multiplier_set_rate(struct clk_hw *hw, unsigned long rate, else __acquire(mult->lock); - val = clk_readl(mult->reg); + val = clk_mult_readl(mult); val &= ~GENMASK(mult->width + mult->shift - 1, mult->shift); val |= factor << mult->shift; - clk_writel(val, mult->reg); + clk_mult_writel(mult, val); if (mult->lock) spin_unlock_irqrestore(mult->lock, flags); |