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DMAENGINE: ste_dma40: fix bug related to callback handling 

The callback got called even when it was not supposed to. Also
removed some not needed interrupt trigger on/off code.

Signed-off-by: Jonas Aaberg <jonas.aberg@stericsson.com>
Signed-off-by: Linus Walleij <linus.walleij@stericsson.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
This commit is contained in:
Jonas Aaberg 2010-08-09 12:08:10 +00:00 committed by Dan Williams
parent b55912c66a
commit 0246e77b4d
3 changed files with 14 additions and 23 deletions
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17
drivers/dma/ste_dma40.c
View File

@ -878,7 +878,7 @@ static void dma_tasklet(unsigned long data)
spin_unlock_irqrestore(&d40c->lock, flags);
if (callback)
if (callback && (d40d_fin->txd.flags & DMA_PREP_INTERRUPT))
callback(callback_param);
return;
@ -1583,7 +1583,6 @@ struct dma_async_tx_descriptor *stedma40_memcpy_sg(struct dma_chan *chan,
d40d->lli_log.src,
d40c->log_def.lcsp1,
d40c->dma_cfg.src_info.data_width,
dma_flags & DMA_PREP_INTERRUPT,
d40d->lli_tx_len,
d40c->base->plat_data->llis_per_log);
@ -1593,7 +1592,6 @@ struct dma_async_tx_descriptor *stedma40_memcpy_sg(struct dma_chan *chan,
d40d->lli_log.dst,
d40c->log_def.lcsp3,
d40c->dma_cfg.dst_info.data_width,
dma_flags & DMA_PREP_INTERRUPT,
d40d->lli_tx_len,
d40c->base->plat_data->llis_per_log);
@ -1612,8 +1610,7 @@ struct dma_async_tx_descriptor *stedma40_memcpy_sg(struct dma_chan *chan,
d40d->lli_phy.src_addr,
d40c->src_def_cfg,
d40c->dma_cfg.src_info.data_width,
d40c->dma_cfg.src_info.psize,
true);
d40c->dma_cfg.src_info.psize);
if (res < 0)
goto err;
@ -1625,8 +1622,7 @@ struct dma_async_tx_descriptor *stedma40_memcpy_sg(struct dma_chan *chan,
d40d->lli_phy.dst_addr,
d40c->dst_def_cfg,
d40c->dma_cfg.dst_info.data_width,
d40c->dma_cfg.dst_info.psize,
true);
d40c->dma_cfg.dst_info.psize);
if (res < 0)
goto err;
@ -1913,7 +1909,6 @@ static int d40_prep_slave_sg_log(struct d40_desc *d40d,
d40c->dma_cfg.src_info.data_width,
d40c->dma_cfg.dst_info.data_width,
direction,
dma_flags & DMA_PREP_INTERRUPT,
dev_addr, d40d->lli_tx_len,
d40c->base->plat_data->llis_per_log);
@ -1965,8 +1960,7 @@ static int d40_prep_slave_sg_phy(struct d40_desc *d40d,
d40d->lli_phy.src_addr,
d40c->src_def_cfg,
d40c->dma_cfg.src_info.data_width,
d40c->dma_cfg.src_info.psize,
true);
d40c->dma_cfg.src_info.psize);
if (res < 0)
return res;
@ -1977,8 +1971,7 @@ static int d40_prep_slave_sg_phy(struct d40_desc *d40d,
d40d->lli_phy.dst_addr,
d40c->dst_def_cfg,
d40c->dma_cfg.dst_info.data_width,
d40c->dma_cfg.dst_info.psize,
true);
d40c->dma_cfg.dst_info.psize);
if (res < 0)
return res;

13
drivers/dma/ste_dma40_ll.c
View File

@ -197,8 +197,7 @@ int d40_phy_sg_to_lli(struct scatterlist *sg,
dma_addr_t lli_phys,
u32 reg_cfg,
u32 data_width,
int psize,
bool term_int)
int psize)
{
int total_size = 0;
int i;
@ -309,7 +308,7 @@ int d40_log_sg_to_dev(struct d40_lcla_elem *lcla,
u32 src_data_width,
u32 dst_data_width,
enum dma_data_direction direction,
bool term_int, dma_addr_t dev_addr, int max_len,
dma_addr_t dev_addr, int max_len,
int llis_per_log)
{
int total_size = 0;
@ -356,7 +355,7 @@ int d40_log_sg_to_dev(struct d40_lcla_elem *lcla,
next_lli_off_dst,
lcsp->lcsp3, dst_data_width,
/* No next == terminal interrupt */
term_int && !next_lli_off_dst,
!next_lli_off_dst,
false);
} else {
d40_log_fill_lli(&lli->dst[i],
@ -365,7 +364,7 @@ int d40_log_sg_to_dev(struct d40_lcla_elem *lcla,
next_lli_off_dst,
lcsp->lcsp3, dst_data_width,
/* No next == terminal interrupt */
term_int && !next_lli_off_dst,
!next_lli_off_dst,
true);
d40_log_fill_lli(&lli->src[i],
dev_addr,
@ -385,7 +384,7 @@ int d40_log_sg_to_lli(int lcla_id,
struct d40_log_lli *lli_sg,
u32 lcsp13, /* src or dst*/
u32 data_width,
bool term_int, int max_len, int llis_per_log)
int max_len, int llis_per_log)
{
int total_size = 0;
struct scatterlist *current_sg = sg;
@ -414,7 +413,7 @@ int d40_log_sg_to_lli(int lcla_id,
sg_dma_len(current_sg),
next_lli_off,
lcsp13, data_width,
term_int && !next_lli_off,
!next_lli_off,
true);
}
return total_size;

7
drivers/dma/ste_dma40_ll.h
View File

@ -302,8 +302,7 @@ int d40_phy_sg_to_lli(struct scatterlist *sg,
dma_addr_t lli_phys,
u32 reg_cfg,
u32 data_width,
int psize,
bool term_int);
int psize);
int d40_phy_fill_lli(struct d40_phy_lli *lli,
dma_addr_t data,
@ -336,7 +335,7 @@ int d40_log_sg_to_dev(struct d40_lcla_elem *lcla,
u32 src_data_width,
u32 dst_data_width,
enum dma_data_direction direction,
bool term_int, dma_addr_t dev_addr, int max_len,
dma_addr_t dev_addr, int max_len,
int llis_per_log);
int d40_log_lli_write(struct d40_log_lli_full *lcpa,
@ -352,6 +351,6 @@ int d40_log_sg_to_lli(int lcla_id,
struct d40_log_lli *lli_sg,
u32 lcsp13, /* src or dst*/
u32 data_width,
bool term_int, int max_len, int llis_per_log);
int max_len, int llis_per_log);
#endif /* STE_DMA40_LLI_H */