From: Jonas Aaberg Date: Mon, 9 Aug 2010 12:08:10 +0000 (+0000) Subject: DMAENGINE: ste_dma40: fix bug related to callback handling X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=0246e77b4d374bb37aa08c3fcadad20012e85ea0;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git 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 Signed-off-by: Linus Walleij Signed-off-by: Dan Williams --- diff --git a/drivers/dma/ste_dma40.c b/drivers/dma/ste_dma40.c index 1adaebf49774..a6a7d66df77a 100644 --- a/drivers/dma/ste_dma40.c +++ b/drivers/dma/ste_dma40.c @@ -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; diff --git a/drivers/dma/ste_dma40_ll.c b/drivers/dma/ste_dma40_ll.c index d937f76d6e2e..67076726b874 100644 --- a/drivers/dma/ste_dma40_ll.c +++ b/drivers/dma/ste_dma40_ll.c @@ -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; diff --git a/drivers/dma/ste_dma40_ll.h b/drivers/dma/ste_dma40_ll.h index 9c0fa2f5fe57..0c468c310c18 100644 --- a/drivers/dma/ste_dma40_ll.h +++ b/drivers/dma/ste_dma40_ll.h @@ -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 */