[PATCH V18 0/3] dmaengine: add Qualcomm Technologies HIDMA driver
vinod.koul at intel.com
Fri May 13 23:25:16 PDT 2016
On Sun, May 01, 2016 at 12:25:25AM -0400, Sinan Kaya wrote:
> The Qualcomm Technologies HIDMA device has been designed
> to support virtualization technology. The driver has been
> divided into two to follow the hardware design.
> 1. HIDMA Management driver
> 2. HIDMA Channel driver
> Each HIDMA HW consists of multiple channels. These channels
> share some set of common parameters. These parameters are
> initialized by the management driver during power up.
> Same management driver is used for monitoring the execution
> of the channels. Management driver can change the performance
> behavior dynamically such as bandwidth allocation and
> prioritization in the future.
> The management driver is executed in host context and
> is the main management entity for all channels provided by
> the device.
> What's new
> - Get rid of hidma_ll_resume function
> - Rename hidma_ll_pause to hidma_ll_disable
> - Remove tx_status_list and attach the err_code and err_info to the TRE
> - Create a hidma_handle_tre_completion function to make error path and
> success path common.
> - More style corrections
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