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/linux/drivers/dma/stm32/
H A Dstm32-dma3.c558 u32 _ctr1 = 0, _ctr2 = 0; in stm32_dma3_chan_prep_hw() local
602 _ctr2 |= FIELD_PREP(CTR2_REQSEL, chan->dt_config.req_line) & ~CTR2_SWREQ; in stm32_dma3_chan_prep_hw()
604 _ctr2 |= CTR2_BREQ; in stm32_dma3_chan_prep_hw()
606 _ctr2 |= CTR2_PFREQ; in stm32_dma3_chan_prep_hw()
608 _ctr2 |= FIELD_PREP(CTR2_TCEM, tcem); in stm32_dma3_chan_prep_hw()
642 _ctr2 |= CTR2_DREQ; in stm32_dma3_chan_prep_hw()
672 _ctr2 &= ~CTR2_DREQ; in stm32_dma3_chan_prep_hw()
715 _ctr2 |= CTR2_SWREQ; in stm32_dma3_chan_prep_hw()
727 *ctr2 = _ctr2; in stm32_dma3_chan_prep_hw()