From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mail-la0-x230.google.com ([2a00:1450:4010:c03::230]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1ZeQ2v-0005Wx-N2 for barebox@lists.infradead.org; Tue, 22 Sep 2015 16:03:58 +0000 Received: by lahg1 with SMTP id g1so18797395lah.1 for ; Tue, 22 Sep 2015 09:03:35 -0700 (PDT) From: Peter Mamonov Date: Tue, 22 Sep 2015 18:58:30 +0300 Message-Id: <1442937514-19675-2-git-send-email-pmamonov@gmail.com> In-Reply-To: <1442937514-19675-1-git-send-email-pmamonov@gmail.com> References: <1442937514-19675-1-git-send-email-pmamonov@gmail.com> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "barebox" Errors-To: barebox-bounces+u.kleine-koenig=pengutronix.de@lists.infradead.org Subject: [PATCH 1/5] common: clock: introduce mdelay_non_interruptible() To: barebox@lists.infradead.org Cc: pmamonov@gmail.com Signed-off-by: Peter Mamonov --- common/clock.c | 8 ++++++++ include/clock.h | 1 + include/common.h | 1 + 3 files changed, 10 insertions(+) diff --git a/common/clock.c b/common/clock.c index 35c9e6c..51cf9e4 100644 --- a/common/clock.c +++ b/common/clock.c @@ -202,6 +202,14 @@ void mdelay(unsigned long msecs) } EXPORT_SYMBOL(mdelay); +void mdelay_non_interruptible(unsigned long msecs) +{ + uint64_t start = get_time_ns(); + + while(!is_timeout_non_interruptible(start, msecs * MSECOND)); +} +EXPORT_SYMBOL(mdelay_non_interruptible); + int init_clock(struct clocksource *cs) { current_clock = cs; diff --git a/include/clock.h b/include/clock.h index 691befc..68d71d7 100644 --- a/include/clock.h +++ b/include/clock.h @@ -38,6 +38,7 @@ int is_timeout_non_interruptible(uint64_t start_ns, uint64_t time_offset_ns); void ndelay(unsigned long nsecs); void mdelay(unsigned long msecs); +void mdelay_non_interruptible (unsigned long msecs); #define SECOND ((uint64_t)(1000 * 1000 * 1000)) #define MSECOND ((uint64_t)(1000 * 1000)) diff --git a/include/common.h b/include/common.h index 553a7f4..c576908 100644 --- a/include/common.h +++ b/include/common.h @@ -72,6 +72,7 @@ void __noreturn poweroff(void); /* lib_$(ARCH)/time.c */ void udelay (unsigned long); void mdelay (unsigned long); +void mdelay_non_interruptible (unsigned long); /* lib_generic/crc32.c */ uint32_t crc32(uint32_t, const void*, unsigned int); -- 2.1.4 _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox