From: Timur Tabi <timur@freescale.com>
To: <qiang.liu@freescale.com>
Cc: <linux-crypto@vger.kernel.org>, <linuxppc-dev@lists.ozlabs.org>,
"Ira W. Snyder" <iws@ovro.caltech.edu>,
Vinod Koul <vinod.koul@intel.com>, <herbert@gondor.hengli.com.au>,
Dan Williams <dan.j.williams@intel.com>,
Li Yang <leoli@freescale.com>, <davem@davemloft.net>
Subject: Re: [linuxppc-release] [PATCH v4 7/7] fsl-dma: add memcpy self test interface
Date: Mon, 30 Jul 2012 12:48:41 -0500 [thread overview]
Message-ID: <5016C8F9.7070801@freescale.com> (raw)
In-Reply-To: <1343380616-12126-1-git-send-email-qiang.liu@freescale.com>
qiang.liu@freescale.com wrote:
>
> Add memory copy self test when probe device, fsl-dma will be disabled
> if self test failed.
Is this a real problem that can occur? The DMA driver used to have a
self-test, but I removed it a long time ago because it was pointless. I
don't see why we need to add another one back in.
--
Timur Tabi
Linux kernel developer at Freescale
WARNING: multiple messages have this Message-ID (diff)
From: Timur Tabi <timur@freescale.com>
To: <qiang.liu@freescale.com>
Cc: "Ira W. Snyder" <iws@ovro.caltech.edu>,
Vinod Koul <vinod.koul@intel.com>,
herbert@gondor.hengli.com.au, linux-crypto@vger.kernel.org,
Dan Williams <dan.j.williams@intel.com>,
linuxppc-dev@lists.ozlabs.org, davem@davemloft.net
Subject: Re: [linuxppc-release] [PATCH v4 7/7] fsl-dma: add memcpy self test interface
Date: Mon, 30 Jul 2012 12:48:41 -0500 [thread overview]
Message-ID: <5016C8F9.7070801@freescale.com> (raw)
In-Reply-To: <1343380616-12126-1-git-send-email-qiang.liu@freescale.com>
qiang.liu@freescale.com wrote:
>
> Add memory copy self test when probe device, fsl-dma will be disabled
> if self test failed.
Is this a real problem that can occur? The DMA driver used to have a
self-test, but I removed it a long time ago because it was pointless. I
don't see why we need to add another one back in.
--
Timur Tabi
Linux kernel developer at Freescale
next prev parent reply other threads:[~2012-07-30 17:50 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-07-27 9:16 [PATCH v4 7/7] fsl-dma: add memcpy self test interface qiang.liu
2012-07-27 9:16 ` qiang.liu
2012-07-30 17:48 ` Timur Tabi [this message]
2012-07-30 17:48 ` [linuxppc-release] " Timur Tabi
2012-07-30 18:33 ` Ira W. Snyder
2012-07-30 18:33 ` Ira W. Snyder
2012-07-31 2:47 ` Liu Qiang-B32616
2012-07-31 2:47 ` Liu Qiang-B32616
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