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authorRafał Miłecki <zajec5@gmail.com>2011-07-22 02:25:00 +0400
committerJohn W. Linville <linville@tuxdriver.com>2011-07-22 18:47:10 +0400
commit8c95b74d8d8acd8b0741b942a46fdb6f81d974ed (patch)
tree858f1cabec23f6dfdcc2c18cfa7d2e8e6f3ce7c9 /drivers/net/wireless
parentbb78c71d6c6947322a701580df7865409032dbf6 (diff)
downloadlinux-8c95b74d8d8acd8b0741b942a46fdb6f81d974ed.tar.xz
b43legacy: dma: cache translation (routing bits)
Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Tested-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless')
-rw-r--r--drivers/net/wireless/b43legacy/b43legacy.h2
-rw-r--r--drivers/net/wireless/b43legacy/dma.c7
2 files changed, 6 insertions, 3 deletions
diff --git a/drivers/net/wireless/b43legacy/b43legacy.h b/drivers/net/wireless/b43legacy/b43legacy.h
index 23583be1ee0b..17a130d18dc9 100644
--- a/drivers/net/wireless/b43legacy/b43legacy.h
+++ b/drivers/net/wireless/b43legacy/b43legacy.h
@@ -532,6 +532,8 @@ struct b43legacy_dma {
struct b43legacy_dmaring *rx_ring0;
struct b43legacy_dmaring *rx_ring3; /* only on core.rev < 5 */
+
+ u32 translation; /* Routing bits */
};
/* Data structures for PIO transmission, per 80211 core. */
diff --git a/drivers/net/wireless/b43legacy/dma.c b/drivers/net/wireless/b43legacy/dma.c
index c33934ad6cd2..704ee62101bd 100644
--- a/drivers/net/wireless/b43legacy/dma.c
+++ b/drivers/net/wireless/b43legacy/dma.c
@@ -73,7 +73,7 @@ static void op32_fill_descriptor(struct b43legacy_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->dev);
+ addr |= ring->dev->dma.translation;
ctl = (bufsize - ring->frameoffset)
& B43legacy_DMA32_DCTL_BYTECNT;
if (slot == ring->nr_slots - 1)
@@ -175,7 +175,7 @@ static void op64_fill_descriptor(struct b43legacy_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->dev);
+ addrhi |= ring->dev->dma.translation;
if (slot == ring->nr_slots - 1)
ctl0 |= B43legacy_DMA64_DCTL0_DTABLEEND;
if (start)
@@ -709,7 +709,7 @@ static int dmacontroller_setup(struct b43legacy_dmaring *ring)
int err = 0;
u32 value;
u32 addrext;
- u32 trans = ssb_dma_translation(ring->dev->dev);
+ u32 trans = ring->dev->dma.translation;
if (ring->tx) {
if (ring->type == B43legacy_DMA_64BIT) {
@@ -1093,6 +1093,7 @@ int b43legacy_dma_init(struct b43legacy_wldev *dev)
return -EOPNOTSUPP;
#endif
}
+ dma->translation = ssb_dma_translation(dev->dev);
err = -ENOMEM;
/* setup TX DMA channels. */