diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/dma/ste_dma40.c | 52 |
1 files changed, 1 insertions, 51 deletions
diff --git a/drivers/dma/ste_dma40.c b/drivers/dma/ste_dma40.c index ad8d6df..662d7e3 100644 --- a/drivers/dma/ste_dma40.c +++ b/drivers/dma/ste_dma40.c @@ -1,6 +1,6 @@ /* * Copyright (C) ST-Ericsson SA 2007-2010 - * Author: Per Friden <per.friden@stericsson.com> for ST-Ericsson + * Author: Per Forlin <per.forlin@stericsson.com> for ST-Ericsson * Author: Jonas Aaberg <jonas.aberg@stericsson.com> for ST-Ericsson * License terms: GNU General Public License (GPL) version 2 */ @@ -1593,51 +1593,6 @@ static u32 stedma40_residue(struct dma_chan *chan) return bytes_left; } -/* Public DMA functions in addition to the DMA engine framework */ - -int stedma40_set_psize(struct dma_chan *chan, - int src_psize, - int dst_psize) -{ - struct d40_chan *d40c = - container_of(chan, struct d40_chan, chan); - unsigned long flags; - - spin_lock_irqsave(&d40c->lock, flags); - - if (d40c->log_num != D40_PHY_CHAN) { - d40c->log_def.lcsp1 &= ~D40_MEM_LCSP1_SCFG_PSIZE_MASK; - d40c->log_def.lcsp3 &= ~D40_MEM_LCSP1_SCFG_PSIZE_MASK; - d40c->log_def.lcsp1 |= src_psize << - D40_MEM_LCSP1_SCFG_PSIZE_POS; - d40c->log_def.lcsp3 |= dst_psize << - D40_MEM_LCSP1_SCFG_PSIZE_POS; - goto out; - } - - if (src_psize == STEDMA40_PSIZE_PHY_1) - d40c->src_def_cfg &= ~(1 << D40_SREG_CFG_PHY_PEN_POS); - else { - d40c->src_def_cfg |= 1 << D40_SREG_CFG_PHY_PEN_POS; - d40c->src_def_cfg &= ~(STEDMA40_PSIZE_PHY_16 << - D40_SREG_CFG_PSIZE_POS); - d40c->src_def_cfg |= src_psize << D40_SREG_CFG_PSIZE_POS; - } - - if (dst_psize == STEDMA40_PSIZE_PHY_1) - d40c->dst_def_cfg &= ~(1 << D40_SREG_CFG_PHY_PEN_POS); - else { - d40c->dst_def_cfg |= 1 << D40_SREG_CFG_PHY_PEN_POS; - d40c->dst_def_cfg &= ~(STEDMA40_PSIZE_PHY_16 << - D40_SREG_CFG_PSIZE_POS); - d40c->dst_def_cfg |= dst_psize << D40_SREG_CFG_PSIZE_POS; - } -out: - spin_unlock_irqrestore(&d40c->lock, flags); - return 0; -} -EXPORT_SYMBOL(stedma40_set_psize); - struct dma_async_tx_descriptor *stedma40_memcpy_sg(struct dma_chan *chan, struct scatterlist *sgl_dst, struct scatterlist *sgl_src, @@ -2075,11 +2030,6 @@ static struct dma_async_tx_descriptor *d40_prep_slave_sg(struct dma_chan *chan, return ERR_PTR(-EINVAL); } - if (d40c->dma_cfg.pre_transfer) - d40c->dma_cfg.pre_transfer(chan, - d40c->dma_cfg.pre_transfer_data, - sg_dma_len(sgl)); - spin_lock_irqsave(&d40c->lock, flags); d40d = d40_desc_get(d40c); |