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usb: host: max3421-hcd: use time_after()

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To be future-proof and for better readability the time comparisons are
modified to use time_after() instead of plain, error-prone math.

Signed-off-by: Asaf Vertz <asaf.vertz@tandemg.com>
Acked-by: David Mosberger <davidm@egauge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Asaf Vertz 2014-12-15 09:22:07 +02:00 committed by Greg Kroah-Hartman
parent 5efd2ea8c9
commit 788bfe88d5
1 changed files with 2 additions and 1 deletions
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3
drivers/usb/host/max3421-hcd.c
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@ -55,6 +55,7 @@
* single thread (max3421_spi_thread).
*/
#include <linux/jiffies.h>
#include <linux/module.h>
#include <linux/spi/spi.h>
#include <linux/usb.h>
@ -1291,7 +1292,7 @@ max3421_handle_irqs(struct usb_hcd *hcd)
char sbuf[16 * 16], *dp, *end;
int i;
if (jiffies - last_time > 5*HZ) {
if (time_after(jiffies, last_time + 5*HZ)) {
dp = sbuf;
end = sbuf + sizeof(sbuf);
*dp = '\0';