Convert the code to use GENMASK() helper instead of custom approach.
Signed-off-by: Andy Shevchenko <[email protected]>
---
drivers/clk/mmp/clk-mix.c | 2 +-
drivers/clk/mmp/clk.h | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/clk/mmp/clk-mix.c b/drivers/clk/mmp/clk-mix.c
index 7a37432..1ff85d7c 100644
--- a/drivers/clk/mmp/clk-mix.c
+++ b/drivers/clk/mmp/clk-mix.c
@@ -26,7 +26,7 @@
static unsigned int _get_maxdiv(struct mmp_clk_mix *mix)
{
- unsigned int div_mask = (1 << mix->reg_info.width_div) - 1;
+ unsigned int div_mask = GENMASK(mix->reg_info.width_div - 1, 0);
unsigned int maxdiv = 0;
struct clk_div_table *clkt;
diff --git a/drivers/clk/mmp/clk.h b/drivers/clk/mmp/clk.h
index adf9b71..f5fdb0e 100644
--- a/drivers/clk/mmp/clk.h
+++ b/drivers/clk/mmp/clk.h
@@ -39,7 +39,7 @@ extern struct clk *mmp_clk_register_factor(const char *name,
/* Clock type "mix" */
#define MMP_CLK_BITS_MASK(width, shift) \
- (((1 << (width)) - 1) << (shift))
+ (GENMASK((width) - 1, 0) << (shift))
#define MMP_CLK_BITS_GET_VAL(data, width, shift) \
((data & MMP_CLK_BITS_MASK(width, shift)) >> (shift))
#define MMP_CLK_BITS_SET_VAL(val, width, shift) \
--
2.1.4
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