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authorDan Williams <dan.j.williams@intel.com>2008-02-02 19:49:58 -0700
committerDan Williams <dan.j.williams@intel.com>2008-02-06 10:12:18 -0700
commitd4c56f97ff21df405d0cebe11f49e3c3c79662b5 (patch)
treee6b0de433d7c985982ac12815998242a786d87b2 /drivers/dma
parent0036731c88fdb5bf4f04a796a30b5e445fc57f54 (diff)
async_tx: replace 'int_en' with operation preparation flags
Pass a full set of flags to drivers' per-operation 'prep' routines. Currently the only flag passed is DMA_PREP_INTERRUPT. The expectation is that arch-specific async_tx_find_channel() implementations can exploit this capability to find the best channel for an operation. Signed-off-by: Dan Williams <dan.j.williams@intel.com> Acked-by: Shannon Nelson <shannon.nelson@intel.com> Reviewed-by: Haavard Skinnemoen <hskinnemoen@atmel.com>
Diffstat (limited to 'drivers/dma')
-rw-r--r--drivers/dma/ioat_dma.c4
-rw-r--r--drivers/dma/iop-adma.c20
2 files changed, 12 insertions, 12 deletions
diff --git a/drivers/dma/ioat_dma.c b/drivers/dma/ioat_dma.c
index 5bcfc55a277..dff38accc5c 100644
--- a/drivers/dma/ioat_dma.c
+++ b/drivers/dma/ioat_dma.c
@@ -701,7 +701,7 @@ static struct dma_async_tx_descriptor *ioat1_dma_prep_memcpy(
dma_addr_t dma_dest,
dma_addr_t dma_src,
size_t len,
- int int_en)
+ unsigned long flags)
{
struct ioat_dma_chan *ioat_chan = to_ioat_chan(chan);
struct ioat_desc_sw *new;
@@ -724,7 +724,7 @@ static struct dma_async_tx_descriptor *ioat2_dma_prep_memcpy(
dma_addr_t dma_dest,
dma_addr_t dma_src,
size_t len,
- int int_en)
+ unsigned long flags)
{
struct ioat_dma_chan *ioat_chan = to_ioat_chan(chan);
struct ioat_desc_sw *new;
diff --git a/drivers/dma/iop-adma.c b/drivers/dma/iop-adma.c
index eda841c6069..3986d54492b 100644
--- a/drivers/dma/iop-adma.c
+++ b/drivers/dma/iop-adma.c
@@ -537,7 +537,7 @@ iop_adma_prep_dma_interrupt(struct dma_chan *chan)
static struct dma_async_tx_descriptor *
iop_adma_prep_dma_memcpy(struct dma_chan *chan, dma_addr_t dma_dest,
- dma_addr_t dma_src, size_t len, int int_en)
+ dma_addr_t dma_src, size_t len, unsigned long flags)
{
struct iop_adma_chan *iop_chan = to_iop_adma_chan(chan);
struct iop_adma_desc_slot *sw_desc, *grp_start;
@@ -555,7 +555,7 @@ iop_adma_prep_dma_memcpy(struct dma_chan *chan, dma_addr_t dma_dest,
sw_desc = iop_adma_alloc_slots(iop_chan, slot_cnt, slots_per_op);
if (sw_desc) {
grp_start = sw_desc->group_head;
- iop_desc_init_memcpy(grp_start, int_en);
+ iop_desc_init_memcpy(grp_start, flags);
iop_desc_set_byte_count(grp_start, iop_chan, len);
iop_desc_set_dest_addr(grp_start, iop_chan, dma_dest);
iop_desc_set_memcpy_src_addr(grp_start, dma_src);
@@ -569,7 +569,7 @@ iop_adma_prep_dma_memcpy(struct dma_chan *chan, dma_addr_t dma_dest,
static struct dma_async_tx_descriptor *
iop_adma_prep_dma_memset(struct dma_chan *chan, dma_addr_t dma_dest,
- int value, size_t len, int int_en)
+ int value, size_t len, unsigned long flags)
{
struct iop_adma_chan *iop_chan = to_iop_adma_chan(chan);
struct iop_adma_desc_slot *sw_desc, *grp_start;
@@ -587,7 +587,7 @@ iop_adma_prep_dma_memset(struct dma_chan *chan, dma_addr_t dma_dest,
sw_desc = iop_adma_alloc_slots(iop_chan, slot_cnt, slots_per_op);
if (sw_desc) {
grp_start = sw_desc->group_head;
- iop_desc_init_memset(grp_start, int_en);
+ iop_desc_init_memset(grp_start, flags);
iop_desc_set_byte_count(grp_start, iop_chan, len);
iop_desc_set_block_fill_val(grp_start, value);
iop_desc_set_dest_addr(grp_start, iop_chan, dma_dest);
@@ -602,7 +602,7 @@ iop_adma_prep_dma_memset(struct dma_chan *chan, dma_addr_t dma_dest,
static struct dma_async_tx_descriptor *
iop_adma_prep_dma_xor(struct dma_chan *chan, dma_addr_t dma_dest,
dma_addr_t *dma_src, unsigned int src_cnt, size_t len,
- int int_en)
+ unsigned long flags)
{
struct iop_adma_chan *iop_chan = to_iop_adma_chan(chan);
struct iop_adma_desc_slot *sw_desc, *grp_start;
@@ -613,15 +613,15 @@ iop_adma_prep_dma_xor(struct dma_chan *chan, dma_addr_t dma_dest,
BUG_ON(unlikely(len > IOP_ADMA_XOR_MAX_BYTE_COUNT));
dev_dbg(iop_chan->device->common.dev,
- "%s src_cnt: %d len: %u int_en: %d\n",
- __FUNCTION__, src_cnt, len, int_en);
+ "%s src_cnt: %d len: %u flags: %lx\n",
+ __FUNCTION__, src_cnt, len, flags);
spin_lock_bh(&iop_chan->lock);
slot_cnt = iop_chan_xor_slot_count(len, src_cnt, &slots_per_op);
sw_desc = iop_adma_alloc_slots(iop_chan, slot_cnt, slots_per_op);
if (sw_desc) {
grp_start = sw_desc->group_head;
- iop_desc_init_xor(grp_start, src_cnt, int_en);
+ iop_desc_init_xor(grp_start, src_cnt, flags);
iop_desc_set_byte_count(grp_start, iop_chan, len);
iop_desc_set_dest_addr(grp_start, iop_chan, dma_dest);
sw_desc->unmap_src_cnt = src_cnt;
@@ -638,7 +638,7 @@ iop_adma_prep_dma_xor(struct dma_chan *chan, dma_addr_t dma_dest,
static struct dma_async_tx_descriptor *
iop_adma_prep_dma_zero_sum(struct dma_chan *chan, dma_addr_t *dma_src,
unsigned int src_cnt, size_t len, u32 *result,
- int int_en)
+ unsigned long flags)
{
struct iop_adma_chan *iop_chan = to_iop_adma_chan(chan);
struct iop_adma_desc_slot *sw_desc, *grp_start;
@@ -655,7 +655,7 @@ iop_adma_prep_dma_zero_sum(struct dma_chan *chan, dma_addr_t *dma_src,
sw_desc = iop_adma_alloc_slots(iop_chan, slot_cnt, slots_per_op);
if (sw_desc) {
grp_start = sw_desc->group_head;
- iop_desc_init_zero_sum(grp_start, src_cnt, int_en);
+ iop_desc_init_zero_sum(grp_start, src_cnt, flags);
iop_desc_set_zero_sum_byte_count(grp_start, len);
grp_start->xor_check_result = result;
pr_debug("\t%s: grp_start->xor_check_result: %p\n",