summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorAndy Shevchenko <andriy.shevchenko@linux.intel.com>2015-09-22 18:54:09 +0300
committerStephen Boyd <sboyd@codeaurora.org>2015-10-02 11:29:46 -0700
commit934e2536b1bfe663de033298f75c1b8ff9d0c9ea (patch)
treee202cb43d3677925d386debfe66fae179a49974a
parentf7f087c262771ab1d3be8b9c54266637f6136963 (diff)
clk: fractional-divider: keep mwidth and nwidth internally
The patch adds mwidth and nwidth fields to the struct clk_fractional_divider for further usage. While here, use GENMASK() instead of open coding this functionality. Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
-rw-r--r--drivers/clk/clk-fractional-divider.c6
-rw-r--r--include/linux/clk-provider.h3
2 files changed, 6 insertions, 3 deletions
diff --git a/drivers/clk/clk-fractional-divider.c b/drivers/clk/clk-fractional-divider.c
index 1af9c1e85d83..0282c7647a49 100644
--- a/drivers/clk/clk-fractional-divider.c
+++ b/drivers/clk/clk-fractional-divider.c
@@ -128,9 +128,11 @@ struct clk *clk_register_fractional_divider(struct device *dev,
fd->reg = reg;
fd->mshift = mshift;
- fd->mmask = (BIT(mwidth) - 1) << mshift;
+ fd->mwidth = mwidth;
+ fd->mmask = GENMASK(mwidth - 1, 0) << mshift;
fd->nshift = nshift;
- fd->nmask = (BIT(nwidth) - 1) << nshift;
+ fd->nwidth = nwidth;
+ fd->nmask = GENMASK(nwidth - 1, 0) << nshift;
fd->flags = clk_divider_flags;
fd->lock = lock;
fd->hw.init = &init;
diff --git a/include/linux/clk-provider.h b/include/linux/clk-provider.h
index 3ecc07d0da77..8ff43eb4b311 100644
--- a/include/linux/clk-provider.h
+++ b/include/linux/clk-provider.h
@@ -500,13 +500,14 @@ struct clk *clk_register_fixed_factor(struct device *dev, const char *name,
*
* Clock with adjustable fractional divider affecting its output frequency.
*/
-
struct clk_fractional_divider {
struct clk_hw hw;
void __iomem *reg;
u8 mshift;
+ u8 mwidth;
u32 mmask;
u8 nshift;
+ u8 nwidth;
u32 nmask;
u8 flags;
spinlock_t *lock;