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authorRabin Vincent <rabin.vincent@stericsson.com>2011-01-25 11:18:27 +0100
committerDan Williams <dan.j.williams@intel.com>2011-01-30 22:27:20 -0800
commitcc31b6f7949efd46c5f13d0758cf7b0bcb71fae2 (patch)
treebaa26092f94a3240ed12f4fc43b994618a1202b1 /drivers/dma/ste_dma40_ll.c
parent5ed04b8575cb22920b1333aeb55121339449048f (diff)
downloadop-kernel-dev-cc31b6f7949efd46c5f13d0758cf7b0bcb71fae2.zip
op-kernel-dev-cc31b6f7949efd46c5f13d0758cf7b0bcb71fae2.tar.gz
dma40: pass the info pointer all the way to reduce argument count
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.c42
1 files changed, 18 insertions, 24 deletions
diff --git a/drivers/dma/ste_dma40_ll.c b/drivers/dma/ste_dma40_ll.c
index 9935c6d..509a130 100644
--- a/drivers/dma/ste_dma40_ll.c
+++ b/drivers/dma/ste_dma40_ll.c
@@ -125,13 +125,14 @@ void d40_phy_cfg(struct stedma40_chan_cfg *cfg,
static int d40_phy_fill_lli(struct d40_phy_lli *lli,
dma_addr_t data,
u32 data_size,
- int psize,
dma_addr_t next_lli,
u32 reg_cfg,
bool term_int,
- u32 data_width,
- bool is_device)
+ bool is_device,
+ struct stedma40_half_channel_info *info)
{
+ unsigned int data_width = info->data_width;
+ int psize = info->psize;
int num_elems;
if (psize == STEDMA40_PSIZE_PHY_1)
@@ -198,16 +199,11 @@ static int d40_seg_size(int size, int data_width1, int data_width2)
return seg_max;
}
-static struct d40_phy_lli *d40_phy_buf_to_lli(struct d40_phy_lli *lli,
- dma_addr_t addr,
- u32 size,
- int psize,
- dma_addr_t lli_phys,
- u32 reg_cfg,
- bool term_int,
- u32 data_width1,
- u32 data_width2,
- bool is_device)
+static struct d40_phy_lli *
+d40_phy_buf_to_lli(struct d40_phy_lli *lli, dma_addr_t addr, u32 size,
+ dma_addr_t lli_phys, u32 reg_cfg, bool term_int,
+ bool is_device, struct stedma40_half_channel_info *info,
+ struct stedma40_half_channel_info *otherinfo)
{
int err;
dma_addr_t next = lli_phys;
@@ -215,7 +211,8 @@ static struct d40_phy_lli *d40_phy_buf_to_lli(struct d40_phy_lli *lli,
int size_seg = 0;
do {
- size_seg = d40_seg_size(size_rest, data_width1, data_width2);
+ size_seg = d40_seg_size(size_rest, info->data_width,
+ otherinfo->data_width);
size_rest -= size_seg;
if (term_int && size_rest == 0)
@@ -227,12 +224,11 @@ static struct d40_phy_lli *d40_phy_buf_to_lli(struct d40_phy_lli *lli,
err = d40_phy_fill_lli(lli,
addr,
size_seg,
- psize,
next,
reg_cfg,
!next,
- data_width1,
- is_device);
+ is_device,
+ info);
if (err)
goto err;
@@ -254,9 +250,8 @@ int d40_phy_sg_to_lli(struct scatterlist *sg,
struct d40_phy_lli *lli_sg,
dma_addr_t lli_phys,
u32 reg_cfg,
- u32 data_width1,
- u32 data_width2,
- int psize)
+ struct stedma40_half_channel_info *info,
+ struct stedma40_half_channel_info *otherinfo)
{
int total_size = 0;
int i;
@@ -280,13 +275,12 @@ int d40_phy_sg_to_lli(struct scatterlist *sg,
lli = d40_phy_buf_to_lli(lli,
dst,
sg_dma_len(current_sg),
- psize,
l_phys,
reg_cfg,
sg_len - 1 == i,
- data_width1,
- data_width2,
- target == dst);
+ target == dst,
+ info,
+ otherinfo);
if (lli == NULL)
return -EINVAL;
}
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