USB: legotower: use msecs_to_jiffies for time conversion
authorNicholas Mc Guire <hofrat@osadl.org>
Fri, 6 Feb 2015 09:58:31 +0000 (04:58 -0500)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 18 Mar 2015 15:20:34 +0000 (16:20 +0100)
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>
drivers/usb/misc/legousbtower.c

index 97cd9e24bd25b30dbfb9e7cbfd9f35a86728b243..7771be3ac178ea0e95ca7da1f85ff55543ff4a00 100644 (file)
@@ -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);