diff options
Diffstat (limited to 'drivers/clk/clk-fractional-divider.c')
| -rw-r--r-- | drivers/clk/clk-fractional-divider.c | 25 |
1 files changed, 21 insertions, 4 deletions
diff --git a/drivers/clk/clk-fractional-divider.c b/drivers/clk/clk-fractional-divider.c index fdfe2e423d15..b1e556f20911 100644 --- a/drivers/clk/clk-fractional-divider.c +++ b/drivers/clk/clk-fractional-divider.c @@ -8,11 +8,28 @@ */ #include <linux/clk-provider.h> +#include <linux/io.h> #include <linux/module.h> #include <linux/device.h> #include <linux/slab.h> #include <linux/rational.h> +static inline u32 clk_fd_readl(struct clk_fractional_divider *fd) +{ + if (fd->flags & CLK_FRAC_DIVIDER_BIG_ENDIAN) + return ioread32be(fd->reg); + + return readl(fd->reg); +} + +static inline void clk_fd_writel(struct clk_fractional_divider *fd, u32 val) +{ + if (fd->flags & CLK_FRAC_DIVIDER_BIG_ENDIAN) + iowrite32be(val, fd->reg); + else + writel(val, fd->reg); +} + static unsigned long clk_fd_recalc_rate(struct clk_hw *hw, unsigned long parent_rate) { @@ -27,7 +44,7 @@ static unsigned long clk_fd_recalc_rate(struct clk_hw *hw, else __acquire(fd->lock); - val = clk_readl(fd->reg); + val = clk_fd_readl(fd); if (fd->lock) spin_unlock_irqrestore(fd->lock, flags); @@ -115,10 +132,10 @@ static int clk_fd_set_rate(struct clk_hw *hw, unsigned long rate, else __acquire(fd->lock); - val = clk_readl(fd->reg); + val = clk_fd_readl(fd); val &= ~(fd->mmask | fd->nmask); val |= (m << fd->mshift) | (n << fd->nshift); - clk_writel(val, fd->reg); + clk_fd_writel(fd, val); if (fd->lock) spin_unlock_irqrestore(fd->lock, flags); @@ -151,7 +168,7 @@ struct clk_hw *clk_hw_register_fractional_divider(struct device *dev, init.name = name; init.ops = &clk_fractional_divider_ops; - init.flags = flags | CLK_IS_BASIC; + init.flags = flags; init.parent_names = parent_name ? &parent_name : NULL; init.num_parents = parent_name ? 1 : 0; |