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path: root/drivers/clk/clk-fractional-divider.c
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Diffstat (limited to 'drivers/clk/clk-fractional-divider.c')
-rw-r--r--drivers/clk/clk-fractional-divider.c25
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;