linux-kernel - Re: [PATCH 0/7] dw_dmac: introduce autoconfiguration

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: <505754DB.2030801@yahoo.es>
Date:	Tue, 18 Sep 2012 00:50:35 +0800
From:	Hein Tibosch <hein_tibosch@...oo.es>
To:	Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
CC:	Viresh Kumar <viresh.linux@...il.com>,
	Vinod Koul <vinod.koul@...el.com>, spear-devel@...t.st.com,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/7] dw_dmac: introduce autoconfiguration

On 9/17/2012 3:39 PM, Andy Shevchenko wrote:
> Here is a patchset that allows to adapt the driver to the hardware
> configuration during probe time. The hardware should have the specific optional
> parameters enabled. Otherwise the driver will consider values stored in the
> platform data.
>
> Additionally it brings support of the software LLP transfers. It means that
> normal linked list transfer is substituted by set of single block transfers
> transparently to the user.
>
> Comments are welcome.
>
> Andy Shevchenko (7):
>   dw_dmac: mark dwc_dump_chan_regs as inline
>   dw_dmac: fill optional encoded parameters in register structure
>   dw_dmac: get number of channels from hardware if possible
>   dw_dmac: autoconfigure block_size or use platform data
>   dw_dmac: autoconfigure data_width or get it via platform data
>   dw_dmac: check if controller supports LLP
>   dw_dmac: introduce software emulation of LLP transfers
>
>  arch/arm/mach-spear13xx/spear13xx.c |    3 +
>  arch/avr32/mach-at32ap/at32ap700x.c |    3 +
>  drivers/dma/dw_dmac.c               |  207 +++++++++++++++++++++++++++++------
>  drivers/dma/dw_dmac_regs.h          |   48 ++++++++
>  include/linux/dw_dmac.h             |    7 ++
>  5 files changed, 235 insertions(+), 33 deletions(-)
Thanks a lot Andy,

I will soon test these patches on my avr32 platform and make a separate
patch for the 'configurable' endianness. I'm sure this can also be detected
automatically but at the cost of performance

Hein

--
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/