[PATCH v5 00/61] dmaengine: Implement generic slave capabilities retrieval

[maxime.ripard@free-electrons.com (Maxime Ripard)]

On Mon, Dec 08, 2014 at 07:00:47PM +0530, Vinod Koul wrote:
> On Mon, Dec 08, 2014 at 10:32:47AM +0100, Ludovic Desroches wrote:
> > On Mon, Dec 08, 2014 at 11:47:46AM +0530, Vinod Koul wrote:
> > > On Mon, Nov 17, 2014 at 02:41:54PM +0100, Maxime Ripard wrote:
> > > > Hi,
> > > > 
> > > > As we discussed a couple of weeks ago, this is the third attempt at
> > > > creating a generic behaviour for slave capabilities retrieval so that
> > > > generic layers using dmaengine can actually rely on that.
> > > > 
> > > > That has been done mostly through two steps: by moving out the
> > > > sub-commands of the device_control callback, so that the dmaengine
> > > > core can then infer from that wether a sub-command is implemented, and
> > > > then by moving the slave properties, such as the supported buswidth,
> > > > to the structure dma_device itself.
> > > 
> > > Okay managed to get this done. Apart from the two issues identified didn't
> > > find anything so applied and pushed to a branch
> > > "topic/slave_caps_device_control_fix"
> > > 
> > > Today did some compile tests and found few warnings, were trivial but I
> > > am worried about the testing of this code. Has anyone tested this, if so
> > > which platforms are covered Since I pushed base branch last night, Feng's
> > > bot covered it and all was OK. Looks like Feng's bot doesn't have wide
> > > coverage of arm platforms, wasn't there one run by arm guys which tries to
> > > test and boot, if so can we get this tested there please.
> > 
> > Tested with your branch on sama5d3 and sama5d4 so at_hdmac and at xdmac.
> > 
> > I have also sent some patches based on Maxime's series for at_xdmac.

I did the development on the Allwinner A31 (sun6i driver). So that's
tested too.

Thanks to Ludovic for his testing.

> Anymore voluteers? I am looking at omap, mxs, tegra ones (these had
> issues)

Since these were compile time issues (and trivial one). From a
functional point of view, beside the warning introduced, this won't
change anything.

And even if it does, we have a full bug-fixing window to take care of
that.

Maxime

-- 
Maxime Ripard, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com
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