From: Tomoya MORINAGA <tomoya-linux@dsn.okisemi.com>
To: Alexander Stein <alexander.stein@systec-electronic.com>
Cc: "Wang, Yong Y" <yong.y.wang@intel.com>,
Vinod Koul <vinod.koul@intel.com>,
Dan Williams <dan.j.williams@intel.com>,
linux-kernel@vger.kernel.org, "Wang, Qi" <qi.wang@intel.com>,
"toshiharu-linux@dsn.okisemi.com"
<toshiharu-linux@dsn.okisemi.com>
Subject: Re: [PATCH] pch_dma: Fix channel locking
Date: Fri, 24 Jun 2011 14:28:12 +0900 [thread overview]
Message-ID: <4E04206C.5000008@dsn.okisemi.com> (raw)
In-Reply-To: <201106230942.24105.alexander.stein@systec-electronic.com>
Hi Alexander Stein
I couldn't see the issue at all.
(2011/06/23 16:42), Alexander Stein wrote:
> The close and open is actually needed (I had a separate application for that
> yesterday).
Does the above mean that we must delete "close" processing from your
test program, right ?
(Modifying like this, I couldn't see the issue)
>
> If all is done without closing again, I get the following bug:
>
Does the above mean that executing your test program many times whose 2
"close" are deleted , did you see the issue ?
My steps like below
Boot Fedora14
Install DMA driver
Install pch_uart driver
Enable DMA (setserial /dev/ttyPCH0 ^low_latency)
Modifying your test program
Delete 2 close() function.
Compile your test program.
Execute the tp.
Execute the tp.
Execute the tp.
I couldn't see any error message.
--
tomoya
OKI SEMICONDUCTOR CO., LTD.
next prev parent reply other threads:[~2011-06-24 5:28 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-06-22 15:05 [PATCH] pch_dma: Fix channel locking Alexander Stein
2011-06-23 0:11 ` Tomoya MORINAGA
2011-06-23 7:42 ` Alexander Stein
2011-06-24 5:28 ` Tomoya MORINAGA [this message]
2011-06-27 14:22 ` Alexander Stein
2011-06-28 10:34 ` Tomoya MORINAGA
2011-06-28 11:14 ` Alexander Stein
2011-06-29 4:04 ` Tomoya MORINAGA
2011-06-29 4:25 ` Tomoya MORINAGA
2011-06-29 6:28 ` Alexander Stein
2011-06-29 10:26 ` Tomoya MORINAGA
2011-07-07 1:38 ` Vinod Koul
2011-07-07 23:51 ` Tomoya MORINAGA
2011-07-08 7:08 ` Tomoya MORINAGA
2011-07-13 22:12 ` Koul, Vinod
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