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: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <20120314150533.GA8757@fifo99.com>
Date:	Wed, 14 Mar 2012 08:05:53 -0700
From:	Daniel Walker <dwalker@...o99.com>
To:	Ravi Kumar V <kumarrav@...eaurora.org>
Cc:	Russell King <linux@....linux.org.uk>,
	Vinod Koul <vinod.koul@...el.com>,
	linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org,
	Bryan Huntsman <bryanh@...eaurora.org>,
	gregkh@...uxfoundation.org,
	Dan Williams <dan.j.williams@...el.com>,
	David Brown <davidb@...eaurora.org>,
	linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v3 2/2] DMAEngine: Add DMAEngine driver based on old MSM
 DMA APIs

On Tue, Mar 13, 2012 at 06:16:39PM +0530, Ravi Kumar V wrote:
> On 3/13/2012 1:44 AM, Daniel Walker wrote:
> >On Mon, Mar 12, 2012 at 04:02:44PM +0530, Ravi Kumar V wrote:
> >>Add DMAEngine based driver using the old MSM DMA APIs internally.
> >
> >What do you mean by this?
> >
> There is a MSM DMA driver in arch/arm/mach-msm/ which is not in
> dmaengine framework standards, but that driver is been used by
> client drivers nand, eMMC and serial drivers. Now if we implement
> the whole dma driver using dmaengine framework then nand, eMMC like
> drivers will be failed as they are using old dma driver API's, so
> instead of implementing new driver from scratch we are keeping the
> old dma API's as it is and using those API's in new dmaengine
> framework.So that we can convert clients drivers to use dma engine
> framework.

Did you investigate converting the drivers (nand, eMMC, serial) ? It
seems like there would be a 1:1 mapping between the API's , so it might
only be a find->replace operation.

Daniel
--
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/

Powered by blists - more mailing lists

Powered by Openwall GNU/*/Linux Powered by OpenVZ