diff options
author | Rabin Vincent <rabin.vincent@stericsson.com> | 2011-01-25 13:18:26 +0300 |
---|---|---|
committer | Dan Williams <dan.j.williams@intel.com> | 2011-01-31 09:27:19 +0300 |
commit | 5ed04b8575cb22920b1333aeb55121339449048f (patch) | |
tree | 4931e3f65f92da16a1967263b4c0f3623cce144d /drivers/dma/ste_dma40_ll.c | |
parent | e24b36bdf873b4a64545fd66da13877214d235cf (diff) |
dma40: unify d40_log_sg_to_lli funcs for mem and slave
Acked-by: Per Forlin <per.forlin@stericsson.com>
Acked-by: Jonas Aaberg <jonas.aberg@stericsson.com>
Signed-off-by: Rabin Vincent <rabin.vincent@stericsson.com>
Signed-off-by: Linus Walleij <linus.walleij@stericsson.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Diffstat (limited to 'drivers/dma/ste_dma40_ll.c')
-rw-r--r-- | drivers/dma/ste_dma40_ll.c | 63 |
1 files changed, 12 insertions, 51 deletions
diff --git a/drivers/dma/ste_dma40_ll.c b/drivers/dma/ste_dma40_ll.c index fa6c3ab93fae..9935c6dbcfe0 100644 --- a/drivers/dma/ste_dma40_ll.c +++ b/drivers/dma/ste_dma40_ll.c @@ -369,53 +369,6 @@ static void d40_log_fill_lli(struct d40_log_lli *lli, } -int d40_log_sg_to_dev(struct scatterlist *sg, - int sg_len, - struct d40_log_lli_bidir *lli, - struct d40_def_lcsp *lcsp, - u32 src_data_width, - u32 dst_data_width, - enum dma_data_direction direction, - dma_addr_t dev_addr) -{ - int total_size = 0; - struct scatterlist *current_sg = sg; - int i; - struct d40_log_lli *lli_src = lli->src; - struct d40_log_lli *lli_dst = lli->dst; - - for_each_sg(sg, current_sg, sg_len, i) { - dma_addr_t sg_addr = sg_dma_address(current_sg); - unsigned int len = sg_dma_len(current_sg); - dma_addr_t src; - dma_addr_t dst; - - total_size += len; - - if (direction == DMA_TO_DEVICE) { - src = sg_addr; - dst = dev_addr; - } else { - src = dev_addr; - dst = sg_addr; - } - - lli_src = d40_log_buf_to_lli(lli_src, src, len, - lcsp->lcsp1, - src_data_width, - dst_data_width, - src == sg_addr); - - lli_dst = d40_log_buf_to_lli(lli_dst, dst, len, - lcsp->lcsp3, - dst_data_width, - src_data_width, - dst == sg_addr); - } - - return total_size; -} - struct d40_log_lli *d40_log_buf_to_lli(struct d40_log_lli *lli_sg, dma_addr_t addr, int size, @@ -447,6 +400,7 @@ struct d40_log_lli *d40_log_buf_to_lli(struct d40_log_lli *lli_sg, int d40_log_sg_to_lli(struct scatterlist *sg, int sg_len, + dma_addr_t dev_addr, struct d40_log_lli *lli_sg, u32 lcsp13, /* src or dst*/ u32 data_width1, u32 data_width2) @@ -455,14 +409,21 @@ int d40_log_sg_to_lli(struct scatterlist *sg, struct scatterlist *current_sg = sg; int i; struct d40_log_lli *lli = lli_sg; + bool autoinc = !dev_addr; for_each_sg(sg, current_sg, sg_len, i) { + dma_addr_t sg_addr = sg_dma_address(current_sg); + unsigned int len = sg_dma_len(current_sg); + dma_addr_t addr = dev_addr ?: sg_addr; + total_size += sg_dma_len(current_sg); - lli = d40_log_buf_to_lli(lli, - sg_dma_address(current_sg), - sg_dma_len(current_sg), + + lli = d40_log_buf_to_lli(lli, addr, len, lcsp13, - data_width1, data_width2, true); + data_width1, + data_width2, + autoinc); } + return total_size; } |