diff options
Diffstat (limited to 'drivers/dma/ste_dma40.c')
| -rw-r--r-- | drivers/dma/ste_dma40.c | 22 |
1 files changed, 18 insertions, 4 deletions
diff --git a/drivers/dma/ste_dma40.c b/drivers/dma/ste_dma40.c index 4e9d6c5a713..6a7a00d5d68 100644 --- a/drivers/dma/ste_dma40.c +++ b/drivers/dma/ste_dma40.c @@ -504,15 +504,29 @@ static void d40_desc_submit(struct d40_chan *d40c, struct d40_desc *desc) list_add_tail(&desc->node, &d40c->active); } +static void d40_phy_lli_load(struct d40_chan *chan, struct d40_desc *desc) +{ + struct d40_phy_lli *lli_dst = desc->lli_phy.dst; + struct d40_phy_lli *lli_src = desc->lli_phy.src; + void __iomem *base = chan_base(chan); + + writel(lli_src->reg_cfg, base + D40_CHAN_REG_SSCFG); + writel(lli_src->reg_elt, base + D40_CHAN_REG_SSELT); + writel(lli_src->reg_ptr, base + D40_CHAN_REG_SSPTR); + writel(lli_src->reg_lnk, base + D40_CHAN_REG_SSLNK); + + writel(lli_dst->reg_cfg, base + D40_CHAN_REG_SDCFG); + writel(lli_dst->reg_elt, base + D40_CHAN_REG_SDELT); + writel(lli_dst->reg_ptr, base + D40_CHAN_REG_SDPTR); + writel(lli_dst->reg_lnk, base + D40_CHAN_REG_SDLNK); +} + static void d40_desc_load(struct d40_chan *d40c, struct d40_desc *d40d) { int curr_lcla = -EINVAL, next_lcla; if (chan_is_physical(d40c)) { - d40_phy_lli_write(d40c->base->virtbase, - d40c->phy_chan->num, - d40d->lli_phy.dst, - d40d->lli_phy.src); + d40_phy_lli_load(d40c, d40d); d40d->lli_current = d40d->lli_len; } else { |