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USB: legotower: use msecs_to_jiffies for time conversion

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This is only an API consolidation and should make things more readable
it replaces var * HZ / 1000 by msecs_to_jiffies(var).

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 2015-02-06 04:58:31 -05:00 committed by Greg Kroah-Hartman
parent 9751afbbb0
commit 8f7e9473ab
1 changed files with 3 additions and 3 deletions
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6
drivers/usb/misc/legousbtower.c
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@ -574,7 +574,7 @@ static ssize_t tower_read (struct file *file, char __user *buffer, size_t count,
}
if (read_timeout) {
timeout = jiffies + read_timeout * HZ / 1000;
timeout = jiffies + msecs_to_jiffies(read_timeout);
}
/* wait for data */
@ -592,7 +592,7 @@ static ssize_t tower_read (struct file *file, char __user *buffer, size_t count,
/* reset read timeout during read or write activity */
if (read_timeout
&& (dev->read_buffer_length || dev->interrupt_out_busy)) {
timeout = jiffies + read_timeout * HZ / 1000;
timeout = jiffies + msecs_to_jiffies(read_timeout);
}
/* check for read timeout */
if (read_timeout && time_after (jiffies, timeout)) {
@ -831,7 +831,7 @@ static int tower_probe (struct usb_interface *interface, const struct usb_device
dev->read_buffer_length = 0;
dev->read_packet_length = 0;
spin_lock_init (&dev->read_buffer_lock);
dev->packet_timeout_jiffies = packet_timeout * HZ / 1000;
dev->packet_timeout_jiffies = msecs_to_jiffies(packet_timeout);
dev->read_last_arrival = jiffies;
init_waitqueue_head (&dev->read_wait);