From: Richard Cochran <richardcochran@gmail.com>
To: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Cc: Sagar Arun Kamble <sagar.a.kamble@intel.com>,
Takashi Iwai <tiwai@suse.de>, Vinod Koul <vinod.koul@intel.com>,
alsa-devel@alsa-project.org, Thomas Gleixner <tglx@linutronix.de>,
linux-kernel@vger.kernel.org
Subject: Re: [alsa-devel] [PATCH 15/27] ALSA: hda - Use timecounter_initialize interface
Date: Tue, 2 Jan 2018 10:21:46 -0800 [thread overview]
Message-ID: <20180102182146.vbfnihz73lhgf6lc@localhost> (raw)
In-Reply-To: <3c5734a2-8f97-4a8b-26d4-42852cc86352@linux.intel.com>
On Tue, Jan 02, 2018 at 11:15:45AM -0600, Pierre-Louis Bossart wrote:
> I wrote the code for HDaudio and I remember wasting time trying to figure
> out the gory details of the cycle counter stuff when all I wanted was a
> conversion from a 24MHz counter to ns values using a 125/3 operation in the
> right order - as explained in the comments
Would using clocks_calc_mult_shift() work for you?
Thanks,
Richard
next prev parent reply other threads:[~2018-01-02 18:21 UTC|newest]
Thread overview: 50+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-12-15 7:38 [PATCH 00/27] timecounter/cyclecounter struct/interface update Sagar Arun Kamble
2017-12-15 7:38 ` [PATCH 01/27] timecounter: Make cyclecounter struct part of timecounter struct Sagar Arun Kamble
2018-01-08 22:20 ` [Intel-wired-lan] " Brown, Aaron F
2018-01-09 9:01 ` Sagar Arun Kamble
2017-12-15 7:38 ` [PATCH 02/27] timecounter: Introduce timecounter_initialize to update timecounter and cyclecounter Sagar Arun Kamble
2017-12-15 7:38 ` [PATCH 03/27] microblaze: Use timecounter_initialize interface Sagar Arun Kamble
2017-12-15 7:38 ` [PATCH 04/27] clocksource/arm_arch_timer: " Sagar Arun Kamble
2017-12-15 7:38 ` [PATCH 05/27] amd-xgbe: " Sagar Arun Kamble
2017-12-15 7:38 ` [PATCH 06/27] bnx2x: " Sagar Arun Kamble
2017-12-15 7:38 ` [PATCH 07/27] fec: " Sagar Arun Kamble
2017-12-15 7:38 ` [PATCH 08/27] e1000e: " Sagar Arun Kamble
2018-01-06 4:31 ` [Intel-wired-lan] " Brown, Aaron F
2017-12-15 7:38 ` [PATCH 09/27] igb: " Sagar Arun Kamble
2018-01-06 5:14 ` [Intel-wired-lan] " Brown, Aaron F
2017-12-15 7:38 ` [PATCH 10/27] ixgbe: " Sagar Arun Kamble
2017-12-15 7:38 ` [PATCH 11/27] net/mlx4: " Sagar Arun Kamble
2017-12-15 7:38 ` [PATCH 12/27] net/mlx5: " Sagar Arun Kamble
2017-12-15 7:38 ` [PATCH 13/27] qede: " Sagar Arun Kamble
2017-12-15 7:38 ` [PATCH 14/27] net: cpts: " Sagar Arun Kamble
2017-12-15 7:38 ` [PATCH 15/27] ALSA: hda - " Sagar Arun Kamble
2017-12-15 11:10 ` [alsa-devel] " Takashi Iwai
2017-12-15 16:51 ` Richard Cochran
2017-12-15 17:10 ` Takashi Iwai
2017-12-26 7:37 ` Sagar Arun Kamble
2017-12-28 16:49 ` Richard Cochran
2018-01-02 6:03 ` Sagar Arun Kamble
2018-01-02 17:15 ` Pierre-Louis Bossart
2018-01-02 18:21 ` Richard Cochran [this message]
2018-01-02 19:53 ` Pierre-Louis Bossart
2018-01-05 10:06 ` Sagar Arun Kamble
2018-01-05 15:43 ` Pierre-Louis Bossart
2018-01-09 10:09 ` Sagar Arun Kamble
2017-12-15 7:38 ` [PATCH 16/27] timecounter: Introduce timecounter_reset Sagar Arun Kamble
2017-12-15 7:38 ` [PATCH 17/27] amd-xgbe: Use timecounter_reset interface Sagar Arun Kamble
2017-12-15 7:38 ` [PATCH 18/27] bnx2x: " Sagar Arun Kamble
2017-12-18 14:13 ` Kalluru, Sudarsana
2017-12-15 7:38 ` [PATCH 19/27] net: fec: ptp: " Sagar Arun Kamble
2017-12-15 7:38 ` [PATCH 20/27] e1000e: " Sagar Arun Kamble
2018-01-06 4:30 ` [Intel-wired-lan] " Brown, Aaron F
2017-12-15 7:38 ` [PATCH 21/27] igb: " Sagar Arun Kamble
2018-01-06 4:33 ` [Intel-wired-lan] " Brown, Aaron F
2017-12-15 7:38 ` [PATCH 22/27] ixgbe: " Sagar Arun Kamble
2018-01-06 4:33 ` [Intel-wired-lan] " Brown, Aaron F
2018-01-06 5:11 ` Brown, Aaron F
2017-12-15 7:38 ` [PATCH 23/27] net/mlx4: " Sagar Arun Kamble
2017-12-15 7:38 ` [PATCH 24/27] net/mlx5: " Sagar Arun Kamble
2017-12-15 7:38 ` [PATCH 25/27] qede: " Sagar Arun Kamble
2017-12-18 14:13 ` Kalluru, Sudarsana
2017-12-15 7:38 ` [PATCH 26/27] net: cpts: " Sagar Arun Kamble
2017-12-15 7:38 ` [PATCH 27/27] timecounter: Remove timecounter_init Sagar Arun Kamble
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=20180102182146.vbfnihz73lhgf6lc@localhost \
--to=richardcochran@gmail.com \
--cc=alsa-devel@alsa-project.org \
--cc=linux-kernel@vger.kernel.org \
--cc=pierre-louis.bossart@linux.intel.com \
--cc=sagar.a.kamble@intel.com \
--cc=tglx@linutronix.de \
--cc=tiwai@suse.de \
--cc=vinod.koul@intel.com \
/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;
as well as URLs for NNTP newsgroup(s).