linux-kernel - Re: DMA40 improvements

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Date:	Sun, 30 Jan 2011 22:21:00 -0800
From:	Dan Williams <dan.j.williams@...el.com>
To:	Linus Walleij <linus.walleij@...ricsson.com>
Cc:	linux-kernel@...r.kernel.org, Lee Jones <lee.jones@...aro.org>
Subject: Re: DMA40 improvements

On Sun, Jan 30, 2011 at 10:17 PM, Dan Williams <dan.j.williams@...el.com> wrote:
> On Tue, Jan 25, 2011 at 2:18 AM, Linus Walleij
> <linus.walleij@...ricsson.com> wrote:
>> Hi Dan,
>>
>> Here is a number of DMA40 hardening patches, and at last a
>> cyclic DMA implementation.
>>
>
> Hi Linus when sending large sets of patches please include a few more
> sentences of summary, a shortlog, and a diffstat  (similar to the info
> git request-pull produces).  The former gives me a better idea of what
> I am looking at, the latter two help me confirm that I applied what
> you expected in the right order.
>

I currently have:

Rabin Vincent (32):
      dma40: make init function static
      dma40: ensure event lines get enabled
      dma40: remove "hardware link with previous jobs" code
      dma40: use helper for channel registers base
      dma40: use helpers for channel type check
      dma40: use helpers for error functions
      dma40: fix comment to refer to SOCs rather than boards
      dma40: allow realtime and priority for event lines
      dma40: remove unnecessary ALIGN()s
      dma40: use sg_dma_address() instead of sg_phys()
      dma40: fix DMA API usage for LCLA
      dma40: fix DMA API usage for LLIs
      dma40: remove unnecessary casts
      dma40: implement prep_memcpy as a wrapper around memcpy_sg
      dma40: combine desc init functions
      dma40: combine duplicated d40_pool_lli_alloc() calls
      dma40: remove duplicated dev addr code
      dma40: combine mem and slave sg-to-lli functions
      dma40: remove export of stedma40_memcpy_sg
      dma40: combine mem and slave prep_sg functions
      dma40: move lli_load to main source file
      dma40: combine duplicated code in log_sg_to_dev
      dma40: unify d40_log_sg_to_lli funcs for mem and slave
      dma40: pass the info pointer all the way to reduce argument count
      dma40: unify src/dst addr check
      dma40: make d40_log_buf_to_lli static
      dma40: use flags to reduce parameter count
      dma40: extract lcla code into separate function
      dma40: handle failure to allocate first LCLA
      dma40: fix DMA_SG capability and channels
      dma40: stop ongoing transfers in DMA_TERMINATE_ALL
      dma40: cyclic xfer support

 arch/arm/plat-nomadik/include/plat/ste_dma40.h |   22 +-
 drivers/dma/ste_dma40.c                        | 1402 +++++++++++-------------
 drivers/dma/ste_dma40_ll.c                     |  218 ++---
 drivers/dma/ste_dma40_ll.h                     |   66 +-
 4 files changed, 761 insertions(+), 947 deletions(-)
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