linux-kernel - Re: [PATCH] fsl-dma: allow Freescale Elo DMA driver to be compiled as a module

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: <47B7FAA6-434C-440A-B55D-03C9882809CE@kernel.crashing.org>
Date:	Wed, 24 Sep 2008 13:30:27 -0500
From:	Kumar Gala <galak@...nel.crashing.org>
To:	Dan Williams <dan.j.williams@...el.com>
Cc:	Li Yang <leoli@...escale.com>, Timur Tabi <timur@...escale.com>,
	zw@...kernel.org, linuxppc-dev list <linuxppc-dev@...abs.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] fsl-dma: allow Freescale Elo DMA driver to be compiled as a module


On Sep 19, 2008, at 10:11 AM, Timur Tabi wrote:

> Modify the Freescale Elo / Elo Plus DMA driver so that it can be  
> compiled as
> a module.
>
> The primary change is to stop treating the DMA controller as a bus,  
> and the
> DMA channels as devices on the bus.  This is because the Open  
> Firmware (OF)
> kernel code does not allow busses to be removed, so although we can  
> call
> of_platform_bus_probe() to probe the DMA channels, there is no
> of_platform_bus_remove().  Therefore, the DMA channels must be  
> manually probed.
>
> Signed-off-by: Timur Tabi <timur@...escale.com>
> ---
>
> (Reposting because I forgot to CC: the maintainers)
>
> This patch is for the 2.6.28 kernel.  This patch exposes a bug in  
> the dmatest
> module, so my other patch "dmatest: properly handle duplicate DMA  
> channels"
> should be applied if this patch is applied.
>
> drivers/dma/Kconfig  |   10 ++--
> drivers/dma/fsldma.c |  165 +++++++++++++++++++++++++++++++++ 
> +----------------
> drivers/dma/fsldma.h |    2 +
> 3 files changed, 119 insertions(+), 58 deletions(-)

Dan, any update on this patch?

- k
--
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/