From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
To: Gustavo Pimentel <gustavo.pimentel@synopsys.com>
Cc: "linux-pci@vger.kernel.org" <linux-pci@vger.kernel.org>,
"dmaengine@vger.kernel.org" <dmaengine@vger.kernel.org>,
Vinod Koul <vkoul@kernel.org>,
Dan Williams <dan.j.williams@intel.com>,
Eugeniy Paltsev <eugeniy.paltsev@synopsys.com>,
Russell King <rmk+kernel@armlinux.org.uk>,
Niklas Cassel <niklas.cassel@linaro.org>,
Joao Pinto <joao.pinto@synopsys.com>,
Jose Abreu <jose.abreu@synopsys.com>,
Luis Oliveira <luis.oliveira@synopsys.com>,
Vitor Soares <vitor.soares@synopsys.com>,
Nelson Costa <nelson.costa@synopsys.com>,
Pedro Sousa <pedrom.sousa@synopsys.com>
Subject: [RFC,v3,7/7] dmaengine: Add Synopsys eDMA IP test and sample driver
Date: Tue, 15 Jan 2019 07:45:31 +0200 [thread overview]
Message-ID: <20190115054531.GC9170@smile.fi.intel.com> (raw)
On Mon, Jan 14, 2019 at 11:44:22AM +0000, Gustavo Pimentel wrote:
> On 11/01/2019 19:48, Andy Shevchenko wrote:
> > On Fri, Jan 11, 2019 at 07:33:43PM +0100, Gustavo Pimentel wrote:
> >> Add Synopsys eDMA IP test and sample driver to be use for testing
> >> purposes and also as a reference for any developer who needs to
> >> implement and use Synopsys eDMA.
> >>
> >> This driver can be compile as built-in or external module in kernel.
> >>
> >> To enable this driver just select DW_EDMA_TEST option in kernel
> >> configuration, however it requires and selects automatically DW_EDMA
> >> option too.
> >>
> >
> > Hmm... This doesn't explain what's wrong with dmatest module.
>
> There isn't anything wrong with dmatest module, that I know of. In beginning I
> was planning to used it, however only works with MEM_TO_MEM transfers, that's
> why I created a similar module but for MEM_TO_DEV and DEV_TO_MEM with
> scatter-gather and cyclic transfers type for my use case. I don't know if can be
> applied to other cases, if that is feasible, I'm glad to share it.
What I'm trying to tell is that the dmatest driver would be nice to have such
capability.
next reply other threads:[~2019-01-15 5:45 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-01-15 5:45 Andy Shevchenko [this message]
-- strict thread matches above, loose matches on Subject: below --
2019-01-21 15:59 [RFC,v3,7/7] dmaengine: Add Synopsys eDMA IP test and sample driver Gustavo Pimentel
2019-01-17 5:03 Vinod Koul
2019-01-16 11:56 Gustavo Pimentel
2019-01-16 10:45 Jose Abreu
2019-01-15 13:02 Gustavo Pimentel
2019-01-14 11:44 Gustavo Pimentel
2019-01-11 19:48 Andy Shevchenko
2019-01-11 18:33 Gustavo Pimentel
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