From: Chunyan Zhang <zhang.chunyan@linaro.org>
Date: Thu, 8 Jan 2015 04:01:29 +0000 (+0800)
Subject: irda: irda-usb: Replace timeval with ktime_t
X-Git-Tag: fixes-v4.0-rc1~150^2~264^2~3
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ca98278a14b76916cd09c2c899c21c29a0748d15;p=pandora-kernel.git

irda: irda-usb: Replace timeval with ktime_t

The irda usb driver uses 'timeval', which we try to remove in the kernel
because all 32-bit time types will break in the year 2038.

This patch also changes do_gettimeofday() to ktime_get() accordingly,
since ktime_get returns a ktime_t, but do_gettimeofday returns a
struct timeval, and the other reason is that ktime_get() uses
the monotonic clock.

This patch uses ktime_us_delta to get the elapsed time, and in this
way it no longer needs to check for the overflow, because
ktime_us_delta returns time difference of microsecond.

Signed-off-by: Chunyan Zhang <zhang.chunyan@linaro.org>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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