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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 /include/asm-arm/arch-iop13xx/adma.h
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 'include/asm-arm/arch-iop13xx/adma.h')
-rw-r--r--include/asm-arm/arch-iop13xx/adma.h18
1 files changed, 10 insertions, 8 deletions
diff --git a/include/asm-arm/arch-iop13xx/adma.h b/include/asm-arm/arch-iop13xx/adma.h
index 04006c1c5fd..efd9a5eb100 100644
--- a/include/asm-arm/arch-iop13xx/adma.h
+++ b/include/asm-arm/arch-iop13xx/adma.h
@@ -247,7 +247,7 @@ static inline u32 iop_desc_get_src_count(struct iop_adma_desc_slot *desc,
}
static inline void
-iop_desc_init_memcpy(struct iop_adma_desc_slot *desc, int int_en)
+iop_desc_init_memcpy(struct iop_adma_desc_slot *desc, unsigned long flags)
{
struct iop13xx_adma_desc_hw *hw_desc = desc->hw_desc;
union {
@@ -257,13 +257,13 @@ iop_desc_init_memcpy(struct iop_adma_desc_slot *desc, int int_en)
u_desc_ctrl.value = 0;
u_desc_ctrl.field.xfer_dir = 3; /* local to internal bus */
- u_desc_ctrl.field.int_en = int_en;
+ u_desc_ctrl.field.int_en = flags & DMA_PREP_INTERRUPT;
hw_desc->desc_ctrl = u_desc_ctrl.value;
hw_desc->crc_addr = 0;
}
static inline void
-iop_desc_init_memset(struct iop_adma_desc_slot *desc, int int_en)
+iop_desc_init_memset(struct iop_adma_desc_slot *desc, unsigned long flags)
{
struct iop13xx_adma_desc_hw *hw_desc = desc->hw_desc;
union {
@@ -274,14 +274,15 @@ iop_desc_init_memset(struct iop_adma_desc_slot *desc, int int_en)
u_desc_ctrl.value = 0;
u_desc_ctrl.field.xfer_dir = 3; /* local to internal bus */
u_desc_ctrl.field.block_fill_en = 1;
- u_desc_ctrl.field.int_en = int_en;
+ u_desc_ctrl.field.int_en = flags & DMA_PREP_INTERRUPT;
hw_desc->desc_ctrl = u_desc_ctrl.value;
hw_desc->crc_addr = 0;
}
/* to do: support buffers larger than ADMA_MAX_BYTE_COUNT */
static inline void
-iop_desc_init_xor(struct iop_adma_desc_slot *desc, int src_cnt, int int_en)
+iop_desc_init_xor(struct iop_adma_desc_slot *desc, int src_cnt,
+ unsigned long flags)
{
struct iop13xx_adma_desc_hw *hw_desc = desc->hw_desc;
union {
@@ -292,7 +293,7 @@ iop_desc_init_xor(struct iop_adma_desc_slot *desc, int src_cnt, int int_en)
u_desc_ctrl.value = 0;
u_desc_ctrl.field.src_select = src_cnt - 1;
u_desc_ctrl.field.xfer_dir = 3; /* local to internal bus */
- u_desc_ctrl.field.int_en = int_en;
+ u_desc_ctrl.field.int_en = flags & DMA_PREP_INTERRUPT;
hw_desc->desc_ctrl = u_desc_ctrl.value;
hw_desc->crc_addr = 0;
@@ -301,7 +302,8 @@ iop_desc_init_xor(struct iop_adma_desc_slot *desc, int src_cnt, int int_en)
/* to do: support buffers larger than ADMA_MAX_BYTE_COUNT */
static inline int
-iop_desc_init_zero_sum(struct iop_adma_desc_slot *desc, int src_cnt, int int_en)
+iop_desc_init_zero_sum(struct iop_adma_desc_slot *desc, int src_cnt,
+ unsigned long flags)
{
struct iop13xx_adma_desc_hw *hw_desc = desc->hw_desc;
union {
@@ -314,7 +316,7 @@ iop_desc_init_zero_sum(struct iop_adma_desc_slot *desc, int src_cnt, int int_en)
u_desc_ctrl.field.xfer_dir = 3; /* local to internal bus */
u_desc_ctrl.field.zero_result = 1;
u_desc_ctrl.field.status_write_back_en = 1;
- u_desc_ctrl.field.int_en = int_en;
+ u_desc_ctrl.field.int_en = flags & DMA_PREP_INTERRUPT;
hw_desc->desc_ctrl = u_desc_ctrl.value;
hw_desc->crc_addr = 0;