[Patch v9 2/2] dmaengine: add Qualcomm BAM dma driver

Stanimir Varbanov svarbanov at mm-sol.com
Thu Apr 3 09:42:20 PDT 2014


Hi Andy,

On 03/10/2014 11:40 PM, Andy Gross wrote:
> Add the DMA engine driver for the QCOM Bus Access Manager (BAM) DMA controller
> found in the MSM 8x74 platforms.
> 
> Each BAM DMA device is associated with a specific on-chip peripheral.  Each
> channel provides a uni-directional data transfer engine that is capable of
> transferring data between the peripheral and system memory (System mode), or
> between two peripherals (BAM2BAM).
> 
> The initial release of this driver only supports slave transfers between
> peripherals and system memory.
> 
> Signed-off-by: Andy Gross <agross at codeaurora.org>

I tested this driver during wake up of the crypto driver. With your
additions to bam_start_dma() in regards to EOT interrupts I successfully
passed the crypto framework test vectors for the implemented algorithms.

Tested-by: Stanimir Varbanov <svarbanov at mm-sol.com>

regards,
Stan



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