b43: dma: cache translation (routing bits)

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --git a/drivers/net/wireless/b43/b43.h b/drivers/net/wireless/b43/b43.h
index 02eca1833e9b212f5dc10128c848a5ee2df438e7..3c8200c62974be0559dc68996956202ac5504bef 100644 (file)
--- 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 10cfba3d7c46d515e53b03f96c9fe0ca36e1569f..47d44bcff37dccb73705e4a2575470010650f83b 100644 (file)
--- 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. */