Rename the stop-index-write DMA operation to set_rx_stop_slot(). Signed-off-by: Michael Buesch <m...@bues.ch>
---
This patch depends on:
"B43: Handle DMA RX descriptor underrun"
Index: wireless-testing/drivers/net/wireless/b43/dma.c
===================================================================
--- wireless-testing.orig/drivers/net/wireless/b43/dma.c 2013-04-23
21:50:47.655004059 +0200
+++ wireless-testing/drivers/net/wireless/b43/dma.c 2013-04-23
21:51:24.132064549 +0200
@@ -156,9 +156,9 @@
return (val / sizeof(struct b43_dmadesc32));
}
-static void op32_set_current_rxslot(struct b43_dmaring *ring, int slot)
+static void op32_set_rx_stop_slot(struct b43_dmaring *ring, int slot)
{
- b43_dma_write(ring, B43_DMA32_RXINDEX,
+ b43_dma_write(ring, B43_DMA32_RXSTOPINDEX,
(u32) (slot * sizeof(struct b43_dmadesc32)));
}
@@ -169,7 +169,7 @@
.tx_suspend = op32_tx_suspend,
.tx_resume = op32_tx_resume,
.get_current_rxslot = op32_get_current_rxslot,
- .set_current_rxslot = op32_set_current_rxslot,
+ .set_rx_stop_slot = op32_set_rx_stop_slot,
};
/* 64bit DMA ops. */
@@ -251,9 +251,9 @@
return (val / sizeof(struct b43_dmadesc64));
}
-static void op64_set_current_rxslot(struct b43_dmaring *ring, int slot)
+static void op64_set_rx_stop_slot(struct b43_dmaring *ring, int slot)
{
- b43_dma_write(ring, B43_DMA64_RXINDEX,
+ b43_dma_write(ring, B43_DMA64_RXSTOPINDEX,
(u32) (slot * sizeof(struct b43_dmadesc64)));
}
@@ -264,7 +264,7 @@
.tx_suspend = op64_tx_suspend,
.tx_resume = op64_tx_resume,
.get_current_rxslot = op64_get_current_rxslot,
- .set_current_rxslot = op64_set_current_rxslot,
+ .set_rx_stop_slot = op64_set_rx_stop_slot,
};
static inline int free_slots(struct b43_dmaring *ring)
@@ -743,7 +743,7 @@
b43_dma_write(ring, B43_DMA64_RXCTL, value);
b43_dma_write(ring, B43_DMA64_RXRINGLO, addrlo);
b43_dma_write(ring, B43_DMA64_RXRINGHI, addrhi);
- b43_dma_write(ring, B43_DMA64_RXINDEX, ring->nr_slots *
+ b43_dma_write(ring, B43_DMA64_RXSTOPINDEX,
ring->nr_slots *
sizeof(struct b43_dmadesc64));
} else {
u32 ringbase = (u32) (ring->dmabase);
@@ -758,7 +758,7 @@
value |= B43_DMA32_RXPARITYDISABLE;
b43_dma_write(ring, B43_DMA32_RXCTL, value);
b43_dma_write(ring, B43_DMA32_RXRING, addrlo);
- b43_dma_write(ring, B43_DMA32_RXINDEX, ring->nr_slots *
+ b43_dma_write(ring, B43_DMA32_RXSTOPINDEX,
ring->nr_slots *
sizeof(struct b43_dmadesc32));
}
}
@@ -1749,7 +1749,7 @@
*/
current_slot = ring->ops->get_current_rxslot(ring);
previous_slot = prev_slot(ring, current_slot);
- ring->ops->set_current_rxslot(ring, previous_slot);
+ ring->ops->set_rx_stop_slot(ring, previous_slot);
}
void b43_dma_rx(struct b43_dmaring *ring)
@@ -1768,7 +1768,7 @@
update_max_used_slots(ring, ++used_slots);
}
wmb();
- ops->set_current_rxslot(ring, slot);
+ ops->set_rx_stop_slot(ring, slot);
ring->current_slot = slot;
}
Index: wireless-testing/drivers/net/wireless/b43/dma.h
===================================================================
--- wireless-testing.orig/drivers/net/wireless/b43/dma.h 2013-04-23
21:50:47.655004059 +0200
+++ wireless-testing/drivers/net/wireless/b43/dma.h 2013-04-23
21:50:47.635003479 +0200
@@ -49,7 +49,7 @@
#define B43_DMA32_RXADDREXT_MASK 0x00030000
#define B43_DMA32_RXADDREXT_SHIFT 16
#define B43_DMA32_RXRING 0x14
-#define B43_DMA32_RXINDEX 0x18
+#define B43_DMA32_RXSTOPINDEX 0x18
#define B43_DMA32_RXSTATUS 0x1C
#define B43_DMA32_RXDPTR 0x00000FFF
#define B43_DMA32_RXSTATE 0x0000F000
@@ -117,7 +117,7 @@
#define B43_DMA64_RXPARITYDISABLE 0x00000800
#define B43_DMA64_RXADDREXT_MASK 0x00030000
#define B43_DMA64_RXADDREXT_SHIFT 16
-#define B43_DMA64_RXINDEX 0x24
+#define B43_DMA64_RXSTOPINDEX 0x24
#define B43_DMA64_RXRINGLO 0x28
#define B43_DMA64_RXRINGHI 0x2C
#define B43_DMA64_RXSTATUS 0x30
@@ -207,7 +207,7 @@
void (*tx_suspend) (struct b43_dmaring * ring);
void (*tx_resume) (struct b43_dmaring * ring);
int (*get_current_rxslot) (struct b43_dmaring * ring);
- void (*set_current_rxslot) (struct b43_dmaring * ring, int slot);
+ void (*set_rx_stop_slot) (struct b43_dmaring * ring, int slot);
};
enum b43_dmatype {
--
Michael
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