linux-kernel - Re: [PATCH] ARM: ux500: set coherent_dma

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <20130618085316.GA7239@balto.lan>
Date:	Tue, 18 Jun 2013 10:53:16 +0200
From:	Fabio Baltieri <fabio.baltieri@...aro.org>
To:	Linus Walleij <linus.walleij@...aro.org>
Cc:	Lee Jones <lee.jones@...aro.org>,
	Srinidhi Kasagar <srinidhi.kasagar@...ricsson.com>,
	Vinod Koul <vinod.koul@...el.com>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] ARM: ux500: set coherent_dma_mask for dma40

On Mon, Jun 17, 2013 at 05:42:48PM +0200, Linus Walleij wrote:
> On Thu, Jun 13, 2013 at 3:56 PM, Fabio Baltieri
> <fabio.baltieri@...aro.org> wrote:
> 
> > Set coherent_dma_mask to DMA_BIT_MASK(32) for dma40 platform_device, as
> > without this DMA allocations were failing with the error:
> >
> > dma40 dma40.0: coherent DMA mask is unset
> >
> > when booting without device-tree.
> >
> > Signed-off-by: Fabio Baltieri <fabio.baltieri@...aro.org>
> > ---
> >
> > Hi Linus, Lee,
> >
> > I found this while removing the last hack I was keeping in my ASoC tree.
> > I originally thought that I had to set this on the driver's pdata, but
> > it turns out it's needed on the DMA controller one instead.
> >
> > When booting with device-tree enabled the mask seems to be set
> > automatically.
> >
> > Would you consider applying this with the other dma40 patches?
> 
> Those are now upstream in the ARM SoC tree, you'd have to send it
> to arm@...nel.org and ask Olof/Arnd to apply it directly to
> the next/drivers branch (I think).

Ok I can resend it but I'd like to have Lee's Ack before doing that.

Lee: have you had a chance to look at this patch?

> I have also queued it on ux500-fixes so it won't be lost.

That's nice!

Thanks,
Fabio

-- 
Fabio Baltieri
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/