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vt: vt_ioctl: use msecs_to_jiffies for time conversion

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Converting milliseconds to jiffies by "val * HZ / 1000" is technically
OK but msecs_to_jiffies(val) is the cleaner solution and handles all
corner cases correctly. This is a minor API consolidation only and
should make things more readable.

Signed-off-by: Nicholas Mc Guire <hofrat@osadl.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Nicholas Mc Guire 2015-02-09 10:53:25 -05:00 committed by Greg Kroah-Hartman
parent 833b1f7b51
commit 4c0d9b17d1
1 changed files with 1 additions and 1 deletions
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drivers/tty/vt/vt_ioctl.c
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@ -388,7 +388,7 @@ int vt_ioctl(struct tty_struct *tty,
* Generate the tone for the appropriate number of ticks.
* If the time is zero, turn off sound ourselves.
*/
ticks = HZ * ((arg >> 16) & 0xffff) / 1000;
ticks = msecs_to_jiffies((arg >> 16) & 0xffff);
count = ticks ? (arg & 0xffff) : 0;
if (count)
count = PIT_TICK_RATE / count;