[PATCH V2 11/13] dw_dmac: Allow src/dst msize & flow controller to be configured at runtime

viresh kumar viresh.kumar at st.com
Fri Mar 4 04:57:26 EST 2011


On 03/03/2011 03:47 PM, Viresh KUMAR wrote:
> From: Viresh KUMAR <viresh.kumar at st.com>
> 
> Msize or Burst Size is peripheral dependent in case of slave_sg transfers, and
> in case of memcpy transfers it is platform dependent. So msize configuration
> must come from platform data.
> 
> Also some peripherals (ex: JPEG), need to be flow controller for dma transfers,
> so this information in case of slave_sg transfers must come from platform data.
> 
> Signed-off-by: Viresh Kumar <viresh.kumar at st.com>
> ---
>  drivers/dma/dw_dmac.c      |   10 ++++++----
>  drivers/dma/dw_dmac_regs.h |    1 +
>  include/linux/dw_dmac.h    |   30 ++++++++++++++++++++++++++++++
>  3 files changed, 37 insertions(+), 4 deletions(-)
> 

Sorry, i missed similar changes for dw_dma_cyclic_prep(). Will resend it.

--
viresh



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