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authorDavid Woodhouse <David.Woodhouse@intel.com>2010-03-26 14:55:59 +0000
committerDavid Woodhouse <David.Woodhouse@intel.com>2010-03-26 14:55:59 +0000
commit329f9052dbadf6f4afe2231668bd00c579a4aa10 (patch)
treee080a5c70df40f3ae8cf28a95a3267757668ab97 /drivers/dma/coh901318_lli.c
parent395b228858778d3c44f7c413693a6acaa8bb62dc (diff)
parent220bf991b0366cc50a94feede3d7341fa5710ee4 (diff)
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts: drivers/mtd/nand/sh_flctl.c Maxim's patch to initialise sysfs attributes depends on the patch which actually adds sysfs_attr_init().
Diffstat (limited to 'drivers/dma/coh901318_lli.c')
-rw-r--r--drivers/dma/coh901318_lli.c23
1 files changed, 9 insertions, 14 deletions
diff --git a/drivers/dma/coh901318_lli.c b/drivers/dma/coh901318_lli.c
index f5120f238a4..71d58c1a1e8 100644
--- a/drivers/dma/coh901318_lli.c
+++ b/drivers/dma/coh901318_lli.c
@@ -74,6 +74,8 @@ coh901318_lli_alloc(struct coh901318_pool *pool, unsigned int len)
lli = head;
lli->phy_this = phy;
+ lli->link_addr = 0x00000000;
+ lli->virt_link_addr = 0x00000000U;
for (i = 1; i < len; i++) {
lli_prev = lli;
@@ -85,13 +87,13 @@ coh901318_lli_alloc(struct coh901318_pool *pool, unsigned int len)
DEBUGFS_POOL_COUNTER_ADD(pool, 1);
lli->phy_this = phy;
+ lli->link_addr = 0x00000000;
+ lli->virt_link_addr = 0x00000000U;
lli_prev->link_addr = phy;
lli_prev->virt_link_addr = lli;
}
- lli->link_addr = 0x00000000U;
-
spin_unlock(&pool->lock);
return head;
@@ -166,8 +168,7 @@ coh901318_lli_fill_memcpy(struct coh901318_pool *pool,
lli->src_addr = src;
lli->dst_addr = dst;
- /* One irq per single transfer */
- return 1;
+ return 0;
}
int
@@ -223,8 +224,7 @@ coh901318_lli_fill_single(struct coh901318_pool *pool,
lli->src_addr = src;
lli->dst_addr = dst;
- /* One irq per single transfer */
- return 1;
+ return 0;
}
int
@@ -240,7 +240,6 @@ coh901318_lli_fill_sg(struct coh901318_pool *pool,
u32 ctrl_sg;
dma_addr_t src = 0;
dma_addr_t dst = 0;
- int nbr_of_irq = 0;
u32 bytes_to_transfer;
u32 elem_size;
@@ -269,15 +268,12 @@ coh901318_lli_fill_sg(struct coh901318_pool *pool,
ctrl_sg = ctrl ? ctrl : ctrl_last;
- if ((ctrl_sg & ctrl_irq_mask))
- nbr_of_irq++;
-
if (dir == DMA_TO_DEVICE)
/* increment source address */
- src = sg_dma_address(sg);
+ src = sg_phys(sg);
else
/* increment destination address */
- dst = sg_dma_address(sg);
+ dst = sg_phys(sg);
bytes_to_transfer = sg_dma_len(sg);
@@ -310,8 +306,7 @@ coh901318_lli_fill_sg(struct coh901318_pool *pool,
}
spin_unlock(&pool->lock);
- /* There can be many IRQs per sg transfer */
- return nbr_of_irq;
+ return 0;
err:
spin_unlock(&pool->lock);
return -EINVAL;