Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932105AbbFAMBd (ORCPT ); Mon, 1 Jun 2015 08:01:33 -0400 Received: from mail-pd0-f180.google.com ([209.85.192.180]:36060 "EHLO mail-pd0-f180.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752435AbbFAMBO (ORCPT ); Mon, 1 Jun 2015 08:01:14 -0400 From: Baolin Wang To: arnd@arndb.de Cc: gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, baolin.wang@linaro.org, y2038@lists.linaro.org Subject: [PATCH v4 19/25] char/mmtimer:Convert to the 64bit methods for k_clock callback functions Date: Mon, 1 Jun 2015 20:00:58 +0800 Message-Id: <1433160058-5255-1-git-send-email-baolin.wang@linaro.org> X-Mailer: git-send-email 1.7.9.5 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 4062 Lines: 123 This patch converts the timespec/itimerspec type to timespec64/itimerspec64 type for k_clock callback functions in mmtimer.c file, that makes it ready for 2038 issue. Signed-off-by: Baolin Wang --- drivers/char/mmtimer.c | 36 +++++++++++++++++------------------- 1 file changed, 17 insertions(+), 19 deletions(-) diff --git a/drivers/char/mmtimer.c b/drivers/char/mmtimer.c index 3d6c067..213d0bb 100644 --- a/drivers/char/mmtimer.c +++ b/drivers/char/mmtimer.c @@ -478,18 +478,18 @@ static int sgi_clock_period; static struct timespec sgi_clock_offset; static int sgi_clock_period; -static int sgi_clock_get(clockid_t clockid, struct timespec *tp) +static int sgi_clock_get(clockid_t clockid, struct timespec64 *tp) { u64 nsec; nsec = rtc_time() * sgi_clock_period + sgi_clock_offset.tv_nsec; - *tp = ns_to_timespec(nsec); + *tp = ns_to_timespec64(nsec); tp->tv_sec += sgi_clock_offset.tv_sec; return 0; }; -static int sgi_clock_set(const clockid_t clockid, const struct timespec *tp) +static int sgi_clock_set(const clockid_t clockid, const struct timespec64 *tp) { u64 nsec; @@ -657,7 +657,7 @@ static int sgi_timer_del(struct k_itimer *timr) } /* Assumption: it_lock is already held with irq's disabled */ -static void sgi_timer_get(struct k_itimer *timr, struct itimerspec *cur_setting) +static void sgi_timer_get(struct k_itimer *timr, struct itimerspec64 *cur_setting) { if (timr->it.mmtimer.clock == TIMER_OFF) { @@ -668,14 +668,14 @@ static void sgi_timer_get(struct k_itimer *timr, struct itimerspec *cur_setting) return; } - cur_setting->it_interval = ns_to_timespec(timr->it.mmtimer.incr * sgi_clock_period); - cur_setting->it_value = ns_to_timespec((timr->it.mmtimer.expires - rtc_time()) * sgi_clock_period); + cur_setting->it_interval = ns_to_timespec64(timr->it.mmtimer.incr * sgi_clock_period); + cur_setting->it_value = ns_to_timespec64((timr->it.mmtimer.expires - rtc_time()) * sgi_clock_period); } static int sgi_timer_set(struct k_itimer *timr, int flags, - struct itimerspec * new_setting, - struct itimerspec * old_setting) + struct itimerspec64 *new_setting, + struct itimerspec64 *old_setting) { unsigned long when, period, irqflags; int err = 0; @@ -687,8 +687,8 @@ static int sgi_timer_set(struct k_itimer *timr, int flags, sgi_timer_get(timr, old_setting); sgi_timer_del(timr); - when = timespec_to_ns(&new_setting->it_value); - period = timespec_to_ns(&new_setting->it_interval); + when = timespec64_to_ns(&new_setting->it_value); + period = timespec64_to_ns(&new_setting->it_interval); if (when == 0) /* Clear timer */ @@ -699,11 +699,9 @@ static int sgi_timer_set(struct k_itimer *timr, int flags, return -ENOMEM; if (flags & TIMER_ABSTIME) { - struct timespec n; unsigned long now; - getnstimeofday(&n); - now = timespec_to_ns(&n); + now = ktime_get_real_ns(); if (when > now) when -= now; else @@ -765,7 +763,7 @@ static int sgi_timer_set(struct k_itimer *timr, int flags, return err; } -static int sgi_clock_getres(const clockid_t which_clock, struct timespec *tp) +static int sgi_clock_getres(const clockid_t which_clock, struct timespec64 *tp) { tp->tv_sec = 0; tp->tv_nsec = sgi_clock_period; @@ -773,13 +771,13 @@ static int sgi_clock_getres(const clockid_t which_clock, struct timespec *tp) } static struct k_clock sgi_clock = { - .clock_set = sgi_clock_set, - .clock_get = sgi_clock_get, - .clock_getres = sgi_clock_getres, + .clock_set64 = sgi_clock_set, + .clock_get64 = sgi_clock_get, + .clock_getres64 = sgi_clock_getres, .timer_create = sgi_timer_create, - .timer_set = sgi_timer_set, + .timer_set64 = sgi_timer_set, .timer_del = sgi_timer_del, - .timer_get = sgi_timer_get + .timer_get64 = sgi_timer_get }; /** -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/