Messages in this thread Patch in this message | | | From | Andy Shevchenko <> | Subject | [PATCH v5 2/8] clk: mmp: switch to GENMASK() | Date | Mon, 13 Jul 2015 17:07:42 +0300 |
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Convert the code to use GENMASK() helper instead of custom approach.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> --- 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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