diff options
| author | Masahiro Yamada | 2014-11-07 03:03:26 +0900 |
|---|---|---|
| committer | Tom Rini | 2014-11-20 11:28:25 -0500 |
| commit | 4515992fc7849c51997e3ff2d00352e36e14ebd7 (patch) | |
| tree | b077195b0059735c2a4ed5648672b5a1d4e6e8f3 /drivers/misc | |
| parent | 3fd968e9314942f2840f8f9fda98079cc0d82288 (diff) | |
replace DIV_ROUND with DIV_ROUND_CLOSEST
The Linux-compatible macro DIV_ROUND_CLOSEST is a bit more flexible
and safer than DIV_ROUND.
For example,
foo = DIV_ROUND_CLOSEST(x, y++)
works expectedly, but
foo = DIV_ROUND(x, y++)
does not. (y is incremented twice.)
Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
Diffstat (limited to 'drivers/misc')
| -rw-r--r-- | drivers/misc/mxc_ocotp.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/misc/mxc_ocotp.c b/drivers/misc/mxc_ocotp.c index 3de12456996..89737af9b73 100644 --- a/drivers/misc/mxc_ocotp.c +++ b/drivers/misc/mxc_ocotp.c @@ -122,8 +122,8 @@ static void set_timing(struct ocotp_regs *regs) relax = DIV_ROUND_UP(ipg_clk * BV_TIMING_RELAX_NS, 1000000000) - 1; strobe_read = DIV_ROUND_UP(ipg_clk * BV_TIMING_STROBE_READ_NS, 1000000000) + 2 * (relax + 1) - 1; - strobe_prog = DIV_ROUND(ipg_clk * BV_TIMING_STROBE_PROG_US, 1000000) + - 2 * (relax + 1) - 1; + strobe_prog = DIV_ROUND_CLOSEST(ipg_clk * BV_TIMING_STROBE_PROG_US, + 1000000) + 2 * (relax + 1) - 1; timing = BF(strobe_read, TIMING_STROBE_READ) | BF(relax, TIMING_RELAX) | |