From: Greg KH <gregkh@linuxfoundation.org>
To: "Shevchenko, Andriy" <andriy.shevchenko@intel.com>
Cc: "Koul, Vinod" <vinod.koul@intel.com>,
"Williams, Dan J" <dan.j.williams@intel.com>,
Youquan Song <youquan.song@linux.jf.intel.com>,
"Song, Youquan" <youquan.song@intel.com>,
"Westerberg, Mika" <mika.westerberg@intel.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 1/2] dma: Add interface to calculate data transferred
Date: Wed, 16 Oct 2013 07:12:47 -0700 [thread overview]
Message-ID: <20131016141247.GB17567@kroah.com> (raw)
In-Reply-To: <1381914782.29062.137.camel@smile>
On Wed, Oct 16, 2013 at 09:13:20AM +0000, Shevchenko, Andriy wrote:
> On Wed, 2013-10-16 at 13:27 +0530, Vinod Koul wrote:
> > On Wed, Oct 16, 2013 at 02:06:30PM +0530, Shevchenko, Andriy wrote:
> > > On Wed, 2013-10-16 at 11:08 +0530, Vinod Koul wrote:
>
> []
>
> > > > Well am going to take it a bit further and ask you why do we need the
> > > > /sys/class/dma? I have never used it for slave work.
> > >
> > > How user (who, f.e., would like to run dmatest) will know names of the
> > > channels provided?
> > Ok dmatest requires this, I overlooked that part
> >
> > > How could we see what channels of certain dma controller are requested /
> > > busy from userspace?
> > But do end user care or need to know about this?
>
> The idea is to have some test cases. So, end user probably doesn't
> really need this.
So could this just be debugfs files instead?
next prev parent reply other threads:[~2013-10-16 14:11 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-10-11 21:42 DMA: Calculate how many data transferred by DMA Youquan Song
2013-10-11 21:42 ` [PATCH 1/2] dma: Add interface to calculate data transferred Youquan Song
2013-10-11 10:22 ` Shevchenko, Andriy
2013-10-11 13:33 ` Greg KH
2013-10-13 15:26 ` Vinod Koul
2013-10-15 18:31 ` Youquan Song
2013-10-15 15:30 ` Greg KH
2013-10-15 15:55 ` Dan Williams
2013-10-15 16:17 ` Greg KH
2013-10-16 5:38 ` Vinod Koul
2013-10-16 8:36 ` Shevchenko, Andriy
2013-10-16 7:57 ` Vinod Koul
2013-10-16 9:13 ` Shevchenko, Andriy
2013-10-16 14:12 ` Greg KH [this message]
2013-10-16 15:07 ` Vinod Koul
2013-10-16 18:17 ` Dan Williams
2013-10-11 21:42 ` [PATCH 2/2] dma: calculate the data tranferred by 8250 Youquan Song
2013-10-11 13:32 ` Greg KH
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=20131016141247.GB17567@kroah.com \
--to=gregkh@linuxfoundation.org \
--cc=andriy.shevchenko@intel.com \
--cc=dan.j.williams@intel.com \
--cc=linux-kernel@vger.kernel.org \
--cc=mika.westerberg@intel.com \
--cc=vinod.koul@intel.com \
--cc=youquan.song@intel.com \
--cc=youquan.song@linux.jf.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
Powered by JetHome