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Date: Tue, 25 Jan 2011 11:18:27 +0100
From: Linus Walleij <linus.walleij@...ricsson.com>
To: Dan Williams <dan.j.williams@...el.com>
Cc: <linux-kernel@...r.kernel.org>, Lee Jones <lee.jones@...aro.org>,
Rabin Vincent <rabin.vincent@...ricsson.com>,
Linus Walleij <linus.walleij@...ricsson.com>
Subject: [PATCH 24/32] dma40: pass the info pointer all the way to reduce argument count
From: Rabin Vincent <rabin.vincent@...ricsson.com>
Acked-by: Per Forlin <per.forlin@...ricsson.com>
Acked-by: Jonas Aaberg <jonas.aberg@...ricsson.com>
Signed-off-by: Rabin Vincent <rabin.vincent@...ricsson.com>
Signed-off-by: Linus Walleij <linus.walleij@...ricsson.com>
---
drivers/dma/ste_dma40.c | 8 ++------
drivers/dma/ste_dma40_ll.c | 42 ++++++++++++++++++------------------------
drivers/dma/ste_dma40_ll.h | 5 ++---
3 files changed, 22 insertions(+), 33 deletions(-)
diff --git a/drivers/dma/ste_dma40.c b/drivers/dma/ste_dma40.c
index c597dba..3c61c58 100644
--- a/drivers/dma/ste_dma40.c
+++ b/drivers/dma/ste_dma40.c
@@ -1679,17 +1679,13 @@ d40_prep_sg_phy(struct d40_chan *chan, struct d40_desc *desc,
desc->lli_phy.src,
virt_to_phys(desc->lli_phy.src),
chan->src_def_cfg,
- src_info->data_width,
- dst_info->data_width,
- src_info->psize);
+ src_info, dst_info);
ret = d40_phy_sg_to_lli(sg_dst, sg_len, dst_dev_addr,
desc->lli_phy.dst,
virt_to_phys(desc->lli_phy.dst),
chan->dst_def_cfg,
- dst_info->data_width,
- src_info->data_width,
- dst_info->psize);
+ dst_info, src_info);
dma_sync_single_for_device(chan->base->dev, desc->lli_pool.dma_addr,
desc->lli_pool.size, DMA_TO_DEVICE);
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;
}
diff --git a/drivers/dma/ste_dma40_ll.h b/drivers/dma/ste_dma40_ll.h
index 867f23f..cd94afd 100644
--- a/drivers/dma/ste_dma40_ll.h
+++ b/drivers/dma/ste_dma40_ll.h
@@ -308,9 +308,8 @@ int d40_phy_sg_to_lli(struct scatterlist *sg,
struct d40_phy_lli *lli,
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);
/* Logical channels */
--
1.7.3.2
--
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