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From: Hein Tibosch <hein_tibosch@yahoo.es>
To: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: Viresh Kumar <viresh.linux@gmail.com>,
	Vinod Koul <vinod.koul@intel.com>,
	spear-devel@list.st.com, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 0/7] dw_dmac: introduce autoconfiguration
Date: Tue, 18 Sep 2012 00:50:35 +0800	[thread overview]
Message-ID: <505754DB.2030801@yahoo.es> (raw)
In-Reply-To: <1347867577-13170-1-git-send-email-andriy.shevchenko@linux.intel.com>

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


  parent reply	other threads:[~2012-09-17 18:16 UTC|newest]

Thread overview: 58+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-09-17  7:39 [PATCH 0/7] dw_dmac: introduce autoconfiguration Andy Shevchenko
2012-09-17  7:39 ` [PATCH 1/7] dw_dmac: mark dwc_dump_chan_regs as inline Andy Shevchenko
2012-09-18  6:35   ` viresh kumar
2012-09-17  7:39 ` [PATCH 2/7] dw_dmac: fill optional encoded parameters in register structure Andy Shevchenko
2012-09-18  6:39   ` viresh kumar
2012-09-18  6:55     ` Andy Shevchenko
2012-09-18  7:59       ` viresh kumar
2012-09-20  9:30         ` Andy Shevchenko
2012-09-20  9:32           ` viresh kumar
2012-09-20  9:51             ` Andy Shevchenko
2012-09-17  7:39 ` [PATCH 3/7] dw_dmac: get number of channels from hardware if possible Andy Shevchenko
2012-09-18  6:50   ` viresh kumar
2012-09-20  9:35     ` Andy Shevchenko
2012-09-20  9:40       ` viresh kumar
2012-09-21  6:04         ` viresh kumar
2012-09-17  7:39 ` [PATCH 4/7] dw_dmac: autoconfigure block_size or use platform data Andy Shevchenko
2012-09-18  6:57   ` viresh kumar
2012-09-20  9:38     ` Andy Shevchenko
2012-09-17  7:39 ` [PATCH 5/7] dw_dmac: autoconfigure data_width or get it via " Andy Shevchenko
2012-09-18  7:11   ` viresh kumar
2012-09-20  9:42     ` Andy Shevchenko
2012-09-20  9:46       ` viresh kumar
2012-09-20  9:53         ` Andy Shevchenko
2012-09-17  7:39 ` [PATCH 6/7] dw_dmac: check if controller supports LLP Andy Shevchenko
2012-09-18  7:13   ` viresh kumar
2012-09-20  9:43     ` Andy Shevchenko
2012-09-17  7:39 ` [PATCH 7/7] dw_dmac: introduce software emulation of LLP transfers Andy Shevchenko
2012-09-18  7:17   ` viresh kumar
2012-09-20  9:46     ` Andy Shevchenko
2012-09-17 16:50 ` Hein Tibosch [this message]
2012-09-18  6:11 ` [PATCH 0/7] dw_dmac: introduce autoconfiguration Hein Tibosch
2012-09-18  7:18   ` viresh kumar
2012-09-20  9:48   ` Andy Shevchenko
2012-09-21 12:05 ` [PATCHv2 0/6] " Andy Shevchenko
2012-09-21 12:05   ` [PATCHv2 1/6] dw_dmac: mark dwc_dump_chan_regs as inline Andy Shevchenko
2012-09-21 12:05   ` [PATCHv2 2/6] dw_dmac: fill optional encoded parameters in register structure Andy Shevchenko
2012-09-21 13:55     ` viresh kumar
2012-09-21 12:05   ` [PATCHv2 3/6] dw_dmac: get number of channels from hardware if possible Andy Shevchenko
2012-09-21 13:56     ` viresh kumar
2012-09-21 12:05   ` [PATCHv2 4/6] dw_dmac: autoconfigure block_size or use platform data Andy Shevchenko
2012-09-21 14:00     ` viresh kumar
2012-09-21 15:09       ` Andy Shevchenko
2012-09-21 15:30         ` Viresh Kumar
2012-09-21 12:05   ` [PATCHv2 5/6] dw_dmac: autoconfigure data_width or get it via " Andy Shevchenko
2012-09-21 14:02     ` viresh kumar
2012-09-25 11:39       ` [PATCHv3] " Andy Shevchenko
2012-09-26  3:29         ` viresh kumar
2012-09-27 10:06         ` Vinod Koul
2012-09-27 10:33           ` Vinod Koul
2012-09-27 13:10             ` Andy Shevchenko
2012-10-01  9:04             ` Andy Shevchenko
2012-10-01  9:45               ` Vinod Koul
2012-10-01 10:07                 ` Andy Shevchenko
2012-09-27 14:00           ` Andy Shevchenko
2012-09-27 14:27             ` Vinod Koul
2012-09-21 12:05   ` [PATCHv2 6/6] dw_dmac: introduce software emulation of LLP transfers Andy Shevchenko
2012-09-21 14:03     ` viresh kumar
2012-09-27 10:05   ` [PATCHv2 0/6] dw_dmac: introduce autoconfiguration Vinod Koul

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