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dmaengine: ste_dma40: minor cosmetic fixes 

This patch contains various non functional cosmetic fixes.

Acked-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Fabio Baltieri <fabio.baltieri@linaro.org>
This commit is contained in:
Fabio Baltieri 2012-12-13 17:12:37 +01:00
parent 762eb33fde
commit f26e03ad2b
2 changed files with 13 additions and 22 deletions
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33
drivers/dma/ste_dma40.c
View File

@ -1609,13 +1609,11 @@ static void dma_tasklet(unsigned long data)
if (async_tx_test_ack(&d40d->txd)) {
d40_desc_remove(d40d);
d40_desc_free(d40c, d40d);
} else {
if (!d40d->is_in_client_list) {
d40_desc_remove(d40d);
d40_lcla_free_all(d40c, d40d);
list_add_tail(&d40d->node, &d40c->client);
d40d->is_in_client_list = true;
}
} else if (!d40d->is_in_client_list) {
d40_desc_remove(d40d);
d40_lcla_free_all(d40c, d40d);
list_add_tail(&d40d->node, &d40c->client);
d40d->is_in_client_list = true;
}
}
@ -2123,7 +2121,6 @@ static bool d40_is_paused(struct d40_chan *d40c)
}
static u32 stedma40_residue(struct dma_chan *chan)
{
struct d40_chan *d40c =
@ -2199,7 +2196,6 @@ d40_prep_sg_phy(struct d40_chan *chan, struct d40_desc *desc,
return ret < 0 ? ret : 0;
}
static struct d40_desc *
d40_prep_desc(struct d40_chan *chan, struct scatterlist *sg,
unsigned int sg_len, unsigned long dma_flags)
@ -2225,7 +2221,6 @@ d40_prep_desc(struct d40_chan *chan, struct scatterlist *sg,
goto err;
}
desc->lli_current = 0;
desc->txd.flags = dma_flags;
desc->txd.tx_submit = d40_tx_submit;
@ -2274,7 +2269,6 @@ d40_prep_sg(struct dma_chan *dchan, struct scatterlist *sg_src,
return NULL;
}
spin_lock_irqsave(&chan->lock, flags);
desc = d40_prep_desc(chan, sg_src, sg_len, dma_flags);
@ -2432,11 +2426,11 @@ static int d40_alloc_chan_resources(struct dma_chan *chan)
if (d40c->dma_cfg.dir == STEDMA40_PERIPH_TO_MEM)
d40c->lcpa = d40c->base->lcpa_base +
d40c->dma_cfg.src_dev_type * D40_LCPA_CHAN_SIZE;
d40c->dma_cfg.src_dev_type * D40_LCPA_CHAN_SIZE;
else
d40c->lcpa = d40c->base->lcpa_base +
d40c->dma_cfg.dst_dev_type *
D40_LCPA_CHAN_SIZE + D40_LCPA_CHAN_DST_DELTA;
d40c->dma_cfg.dst_dev_type *
D40_LCPA_CHAN_SIZE + D40_LCPA_CHAN_DST_DELTA;
}
dev_dbg(chan2dev(d40c), "allocated %s channel (phy %d%s)\n",
@ -2471,7 +2465,6 @@ static void d40_free_chan_resources(struct dma_chan *chan)
return;
}
spin_lock_irqsave(&d40c->lock, flags);
err = d40_free_dma(d40c);
@ -2514,12 +2507,10 @@ d40_prep_memcpy_sg(struct dma_chan *chan,
return d40_prep_sg(chan, src_sg, dst_sg, src_nents, DMA_NONE, dma_flags);
}
static struct dma_async_tx_descriptor *d40_prep_slave_sg(struct dma_chan *chan,
struct scatterlist *sgl,
unsigned int sg_len,
enum dma_transfer_direction direction,
unsigned long dma_flags,
void *context)
static struct dma_async_tx_descriptor *
d40_prep_slave_sg(struct dma_chan *chan, struct scatterlist *sgl,
unsigned int sg_len, enum dma_transfer_direction direction,
unsigned long dma_flags, void *context)
{
if (direction != DMA_DEV_TO_MEM && direction != DMA_MEM_TO_DEV)
return NULL;

2
drivers/dma/ste_dma40_ll.c
View File

@ -251,7 +251,7 @@ d40_phy_buf_to_lli(struct d40_phy_lli *lli, dma_addr_t addr, u32 size,
return lli;
err:
err:
return NULL;
}