PIC32F_DMA_PREP
if (test_bit(PIC32F_DMA_PREP, &pic32s->flags))
test_bit(PIC32F_DMA_PREP, &pic32s->flags);
set_bit(PIC32F_DMA_PREP, &pic32s->flags);
if (!test_bit(PIC32F_DMA_PREP, &pic32s->flags))
clear_bit(PIC32F_DMA_PREP, &pic32s->flags);
if (test_bit(PIC32F_DMA_PREP, &pic32s->flags))