ARM: PL08x: shrink srcbus/dstbus in txd structure
We only need to store the dma address.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Acked-by: Linus Walleij <linus.walleij@stericsson.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
diff --git a/drivers/dma/amba-pl08x.c b/drivers/dma/amba-pl08x.c
index 39970c5..8d8d33c 100644
--- a/drivers/dma/amba-pl08x.c
+++ b/drivers/dma/amba-pl08x.c
@@ -595,8 +595,8 @@
bd.txd = txd;
bd.pl08x = pl08x;
- bd.srcbus.addr = txd->srcbus.addr;
- bd.dstbus.addr = txd->dstbus.addr;
+ bd.srcbus.addr = txd->src_addr;
+ bd.dstbus.addr = txd->dst_addr;
/* Find maximum width of the source bus */
bd.srcbus.maxwidth =
@@ -1313,8 +1313,8 @@
}
txd->direction = DMA_NONE;
- txd->srcbus.addr = src;
- txd->dstbus.addr = dest;
+ txd->src_addr = src;
+ txd->dst_addr = dest;
txd->len = len;
/* Set platform data for m2m */
@@ -1393,21 +1393,21 @@
if (direction == DMA_TO_DEVICE) {
txd->ccfg |= PL080_FLOW_MEM2PER << PL080_CONFIG_FLOW_CONTROL_SHIFT;
txd->cctl |= PL080_CONTROL_SRC_INCR;
- txd->srcbus.addr = sgl->dma_address;
+ txd->src_addr = sgl->dma_address;
if (plchan->runtime_addr)
- txd->dstbus.addr = plchan->runtime_addr;
+ txd->dst_addr = plchan->runtime_addr;
else
- txd->dstbus.addr = plchan->cd->addr;
+ txd->dst_addr = plchan->cd->addr;
src_buses = pl08x->mem_buses;
dst_buses = plchan->cd->periph_buses;
} else if (direction == DMA_FROM_DEVICE) {
txd->ccfg |= PL080_FLOW_PER2MEM << PL080_CONFIG_FLOW_CONTROL_SHIFT;
txd->cctl |= PL080_CONTROL_DST_INCR;
if (plchan->runtime_addr)
- txd->srcbus.addr = plchan->runtime_addr;
+ txd->src_addr = plchan->runtime_addr;
else
- txd->srcbus.addr = plchan->cd->addr;
- txd->dstbus.addr = sgl->dma_address;
+ txd->src_addr = plchan->cd->addr;
+ txd->dst_addr = sgl->dma_address;
src_buses = plchan->cd->periph_buses;
dst_buses = pl08x->mem_buses;
} else {
diff --git a/include/linux/amba/pl08x.h b/include/linux/amba/pl08x.h
index f858651..4e9e718 100644
--- a/include/linux/amba/pl08x.h
+++ b/include/linux/amba/pl08x.h
@@ -114,8 +114,8 @@
struct dma_async_tx_descriptor tx;
struct list_head node;
enum dma_data_direction direction;
- struct pl08x_bus_data srcbus;
- struct pl08x_bus_data dstbus;
+ dma_addr_t src_addr;
+ dma_addr_t dst_addr;
size_t len;
dma_addr_t llis_bus;
void *llis_va;