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Date: Mon, 15 Feb 2010 19:09:07 +0900
From: FUJITA Tomonori <fujita.tomonori@....ntt.co.jp>
To: Larry.Finger@...inger.net
Cc: linux-kernel@...r.kernel.org, netdev@...r.kernel.org, mb@...sch.de,
davem@...emloft.net, stefano.brivio@...imi.it,
akpm@...ux-foundation.org
Subject: Re: [PATCH -mm] ssb: open-code dma_alloc_coherent
On Mon, 15 Feb 2010 16:25:14 +0900
FUJITA Tomonori <fujita.tomonori@....ntt.co.jp> wrote:
> On Mon, 15 Feb 2010 00:49:14 -0600
> Larry Finger <Larry.Finger@...inger.net> wrote:
>
> > On 02/14/2010 11:21 PM, FUJITA Tomonori wrote:
> > > This patch is against -mm since it depends on the DMA API changes in
> > > -mm.
> >
> > Are the patches that implement these DMA API changes available for testing? I
> > don't keep an -mm tree.
>
> All the patches are in -mm and I've just uploaded the patches against
> 2.6.33-rc8:
>
> git://git.kernel.org/pub/scm/linux/kernel/git/tomo/linux-2.6-misc.git pending
>
> The ssb patch depends on the latest eight patches in the tree:
>
> http://marc.info/?l=linux-kernel&m=126596737604808&w=2
This patch replaces the rest of the ssb_dma_* API in b43legacy with
the DMA API (it depends on the previous ssb patch).
=
From: FUJITA Tomonori <fujita.tomonori@....ntt.co.jp>
Subject: [PATCH] b43legacy: replace the ssb_dma_* API with the DMA API
Replaces all the ssb_dma_* API with the DMA API.
Signed-off-by: FUJITA Tomonori <fujita.tomonori@....ntt.co.jp>
---
drivers/net/wireless/b43legacy/dma.c | 34 +++++++++++++++++-----------------
1 files changed, 17 insertions(+), 17 deletions(-)
diff --git a/drivers/net/wireless/b43legacy/dma.c b/drivers/net/wireless/b43legacy/dma.c
index e7c0812..df85d93 100644
--- a/drivers/net/wireless/b43legacy/dma.c
+++ b/drivers/net/wireless/b43legacy/dma.c
@@ -393,11 +393,11 @@ dma_addr_t map_descbuffer(struct b43legacy_dmaring *ring,
dma_addr_t dmaaddr;
if (tx)
- dmaaddr = ssb_dma_map_single(ring->dev->dev,
+ dmaaddr = dma_map_single(ring->dev->dev->dma_dev,
buf, len,
DMA_TO_DEVICE);
else
- dmaaddr = ssb_dma_map_single(ring->dev->dev,
+ dmaaddr = dma_map_single(ring->dev->dev->dma_dev,
buf, len,
DMA_FROM_DEVICE);
@@ -411,11 +411,11 @@ void unmap_descbuffer(struct b43legacy_dmaring *ring,
int tx)
{
if (tx)
- ssb_dma_unmap_single(ring->dev->dev,
+ dma_unmap_single(ring->dev->dev->dma_dev,
addr, len,
DMA_TO_DEVICE);
else
- ssb_dma_unmap_single(ring->dev->dev,
+ dma_unmap_single(ring->dev->dev->dma_dev,
addr, len,
DMA_FROM_DEVICE);
}
@@ -427,8 +427,8 @@ void sync_descbuffer_for_cpu(struct b43legacy_dmaring *ring,
{
B43legacy_WARN_ON(ring->tx);
- ssb_dma_sync_single_for_cpu(ring->dev->dev,
- addr, len, DMA_FROM_DEVICE);
+ dma_sync_single_for_cpu(ring->dev->dev->dma_dev,
+ addr, len, DMA_FROM_DEVICE);
}
static inline
@@ -438,8 +438,8 @@ void sync_descbuffer_for_device(struct b43legacy_dmaring *ring,
{
B43legacy_WARN_ON(ring->tx);
- ssb_dma_sync_single_for_device(ring->dev->dev,
- addr, len, DMA_FROM_DEVICE);
+ dma_sync_single_for_device(ring->dev->dev->dma_dev,
+ addr, len, DMA_FROM_DEVICE);
}
static inline
@@ -475,8 +475,8 @@ static int alloc_ringmemory(struct b43legacy_dmaring *ring)
static void free_ringmemory(struct b43legacy_dmaring *ring)
{
- ssb_dma_free_consistent(ring->dev->dev, B43legacy_DMA_RINGMEMSIZE,
- ring->descbase, ring->dmabase, GFP_KERNEL);
+ dma_free_coherent(ring->dev->dev->dma_dev, B43legacy_DMA_RINGMEMSIZE,
+ ring->descbase, ring->dmabase);
}
/* Reset the RX DMA channel */
@@ -588,7 +588,7 @@ static bool b43legacy_dma_mapping_error(struct b43legacy_dmaring *ring,
size_t buffersize,
bool dma_to_device)
{
- if (unlikely(ssb_dma_mapping_error(ring->dev->dev, addr)))
+ if (unlikely(dma_mapping_error(ring->dev->dev->dma_dev, addr)))
return 1;
switch (ring->type) {
@@ -905,7 +905,7 @@ struct b43legacy_dmaring *b43legacy_setup_dmaring(struct b43legacy_wldev *dev,
goto err_kfree_meta;
/* test for ability to dma to txhdr_cache */
- dma_test = ssb_dma_map_single(dev->dev, ring->txhdr_cache,
+ dma_test = dma_map_single(dev->dev->dma_dev, ring->txhdr_cache,
sizeof(struct b43legacy_txhdr_fw3),
DMA_TO_DEVICE);
@@ -919,7 +919,7 @@ struct b43legacy_dmaring *b43legacy_setup_dmaring(struct b43legacy_wldev *dev,
if (!ring->txhdr_cache)
goto err_kfree_meta;
- dma_test = ssb_dma_map_single(dev->dev,
+ dma_test = dma_map_single(dev->dev->dma_dev,
ring->txhdr_cache,
sizeof(struct b43legacy_txhdr_fw3),
DMA_TO_DEVICE);
@@ -929,9 +929,9 @@ struct b43legacy_dmaring *b43legacy_setup_dmaring(struct b43legacy_wldev *dev,
goto err_kfree_txhdr_cache;
}
- ssb_dma_unmap_single(dev->dev, dma_test,
- sizeof(struct b43legacy_txhdr_fw3),
- DMA_TO_DEVICE);
+ dma_unmap_single(dev->dev->dma_dev, dma_test,
+ sizeof(struct b43legacy_txhdr_fw3),
+ DMA_TO_DEVICE);
}
ring->nr_slots = nr_slots;
@@ -1039,7 +1039,7 @@ static int b43legacy_dma_set_mask(struct b43legacy_wldev *dev, u64 mask)
/* Try to set the DMA mask. If it fails, try falling back to a
* lower mask, as we can always also support a lower one. */
while (1) {
- err = ssb_dma_set_mask(dev->dev, mask);
+ err = dma_set_mask(dev->dev->dma_dev, mask);
if (!err)
break;
if (mask == DMA_BIT_MASK(64)) {
--
1.6.5
--
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