RE: [PATCH 3/4] async_tx: replace 'int_en' with operation preparationflags

>From: Williams, Dan J > >Pass a full set of flags to drivers' per-operation 'prep' routines. >Currently the only flag passed is DMA_PREP_INTERRUPT. The >expectation is >that arch-specific async_tx_find_channel() implementations can >exploit this >capability to find the best channel for an oper

RE: [PATCH 2/4] async_tx: kill tx_set_src and tx_set_dest methods

>From: Williams, Dan J > >The tx_set_src and tx_set_dest methods were originally >implemented to allow >an array of addresses to be passed down from async_xor to the dmaengine >driver while minimizing stack overhead. Removing these methods allows >drivers to have all transaction parameters avail