linux-kernel - Re: [PATCH 00/11] ARM: PrimeCell DMA Interface v5

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Date:	Fri, 30 Apr 2010 20:30:12 +0200
From:	Linus Walleij <linus.ml.walleij@...il.com>
To:	Russell King - ARM Linux <linux@....linux.org.uk>,
	Catalin Marinas <catalin.marinas@....com>
Cc:	Dan Williams <dan.j.williams@...el.com>,
	Linus WALLEIJ <linus.walleij@...ricsson.com>,
	"akpm@...ux-foundation.org" <akpm@...ux-foundation.org>,
	Grant Likely <grant.likely@...retlab.ca>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"linux-mmc@...r.kernel.org" <linux-mmc@...r.kernel.org>,
	STEricsson_nomadik_linux <STEricsson_nomadik_linux@...t.st.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 00/11] ARM: PrimeCell DMA Interface v5

2010/4/22 Russell King - ARM Linux <linux@....linux.org.uk>:

>> I'll keep working on getting the PL011 and PL180 DMA tested on the
>> RealView somehow so those can also be accepted.
>
> So has this (which has now been applied to Dan's tree) been tested
> as I asked on Versatile platforms, or do we have something that could
> be incompatible with those platforms?

I tested them on U300 which has an unmodified PL011 block, both with
and without DMA support compiled in. I have tested the Pl180 mods
on the U300 as well, it has a slightly modified PL180 block.
I have no other hardware...

I will try too boot it up in the QEMU emulator, it has an emulated
PL011 atleast that should account for something? I don't think
it emulates the PL180 though. :-(

> I'm basically not acking or applying these patches until something
> along those lines has happened.  (And unfortunately I don't have the
> resources to apply to this at present.)

I understand this. I will have to try to dig out some ARM reference
design from somewhere, I cannot afford one sadly.

ARM Ltd. people on this list: if you can send me a versatile
machine, mail me in private for post address...

Yours,
Linus Walleij
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