From 05100a29cb65b7473bc0c71282df3e31b460b728 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com>
Date: Tue, 17 May 2011 14:00:02 +0200
Subject: [PATCH] b43: dma: cache translation (routing bits)
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Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
drivers/net/wireless/b43/b43.h | 2 ++
drivers/net/wireless/b43/dma.c | 7 ++++---
2 files changed, 6 insertions(+), 3 deletions(-)
diff --git a/drivers/net/wireless/b43/b43.h b/drivers/net/wireless/b43/b43.h
index 02eca1833e9b..3c8200c62974 100644
--- a/drivers/net/wireless/b43/b43.h
+++ b/drivers/net/wireless/b43/b43.h
@@ -567,6 +567,8 @@ struct b43_dma {
struct b43_dmaring *tx_ring_mcast; /* Multicast */
struct b43_dmaring *rx_ring;
+
+ u32 translation; /* Routing bits */
};
struct b43_pio_txqueue;
diff --git a/drivers/net/wireless/b43/dma.c b/drivers/net/wireless/b43/dma.c
index 10cfba3d7c46..47d44bcff37d 100644
--- a/drivers/net/wireless/b43/dma.c
+++ b/drivers/net/wireless/b43/dma.c
@@ -80,7 +80,7 @@ static void op32_fill_descriptor(struct b43_dmaring *ring,
addr = (u32) (dmaaddr & ~SSB_DMA_TRANSLATION_MASK);
addrext = (u32) (dmaaddr & SSB_DMA_TRANSLATION_MASK)
>> SSB_DMA_TRANSLATION_SHIFT;
- addr |= ssb_dma_translation(ring->dev->sdev);
+ addr |= ring->dev->dma.translation;
ctl = bufsize & B43_DMA32_DCTL_BYTECNT;
if (slot == ring->nr_slots - 1)
ctl |= B43_DMA32_DCTL_DTABLEEND;
@@ -174,7 +174,7 @@ static void op64_fill_descriptor(struct b43_dmaring *ring,
addrhi = (((u64) dmaaddr >> 32) & ~SSB_DMA_TRANSLATION_MASK);
addrext = (((u64) dmaaddr >> 32) & SSB_DMA_TRANSLATION_MASK)
>> SSB_DMA_TRANSLATION_SHIFT;
- addrhi |= (ssb_dma_translation(ring->dev->sdev) << 1);
+ addrhi |= (ring->dev->dma.translation << 1);
if (slot == ring->nr_slots - 1)
ctl0 |= B43_DMA64_DCTL0_DTABLEEND;
if (start)
@@ -658,7 +658,7 @@ static int dmacontroller_setup(struct b43_dmaring *ring)
int err = 0;
u32 value;
u32 addrext;
- u32 trans = ssb_dma_translation(ring->dev->sdev);
+ u32 trans = ring->dev->dma.translation;
if (ring->tx) {
if (ring->type == B43_DMA_64BIT) {
@@ -1055,6 +1055,7 @@ int b43_dma_init(struct b43_wldev *dev)
err = b43_dma_set_mask(dev, dmamask);
if (err)
return err;
+ dma->translation = ssb_dma_translation(dev->sdev);
err = -ENOMEM;
/* setup TX DMA channels. */
--
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