From: Thomas Gleixner <tglx@linutronix.de>
To: LKML <linux-kernel@vger.kernel.org>
Cc: Richard Cochran <richard.cochran@omicron.at>,
John Stultz <johnstul@us.ibm.com>
Subject: [PTP] Implement clock_getres() function correctly
Date: Sun, 4 Dec 2011 18:06:28 +0100 (CET) [thread overview]
Message-ID: <alpine.LFD.2.02.1112041801000.2735@ionos> (raw)
clock_getres() needs to put the resolution into the provided timespec
and return 0 in case of success.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: stable@vger.kernel.org
---
diff --git a/drivers/ptp/ptp_clock.c b/drivers/ptp/ptp_clock.c
index cf3f999..6b0c02a 100644
--- a/drivers/ptp/ptp_clock.c
+++ b/drivers/ptp/ptp_clock.c
@@ -101,7 +101,10 @@ static s32 scaled_ppm_to_ppb(long ppm)
static int ptp_clock_getres(struct posix_clock *pc, struct timespec *tp)
{
- return 1; /* always round timer functions to one nanosecond */
+ /* Resolution is one nanosecond */
+ *tp.tv_sec = 0;
+ *tp.tv_nsec = 1;
+ return 0;
}
static int ptp_clock_settime(struct posix_clock *pc, const struct timespec *tp)
next reply other threads:[~2011-12-04 17:06 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-12-04 17:06 Thomas Gleixner [this message]
2011-12-04 17:07 ` Thomas Gleixner
2011-12-05 7:31 ` Richard Cochran
2011-12-05 19:02 ` John Stultz
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=alpine.LFD.2.02.1112041801000.2735@ionos \
--to=tglx@linutronix.de \
--cc=johnstul@us.ibm.com \
--cc=linux-kernel@vger.kernel.org \
--cc=richard.cochran@omicron.at \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
all inboxes | Powered by JetHome®