At Tue, 2 Mar 2004 14:26:32 +0000,
Russell King wrote:
>
> I, therefore, suggest that you're not looking at a 2.6.3 kernel. This
> was changed from pci_alloc_consistent to dma_alloc_coherent on 22 Dec,
> and was modified to take the GFP flags on 13 Jan.
>
> dma_alloc_coherent() is therefore not a wrapper for pci_alloc_consistent().
sorry, my bad. forget my last post...
BTW, there are some typos in your patches, and missing replacement of
PCI -> DEV dma type. the attached patch should fix.
Takashi
--- linux/sound/core/memalloc.c 2004-03-02 15:33:38.628633893 +0100
+++ linux/sound/core/memalloc.c 2004-03-02 15:14:15.000000000 +0100
@@ -94,28 +94,28 @@
*/
static void *snd_dma_hack_alloc_coherent(struct device *dev, size_t size,
- dma_addr_t *dma_handle)
+ dma_addr_t *dma_handle, int gfp_flags)
{
void *ret;
u64 dma_mask;
if (dev == NULL)
- return dev_alloc_coherent(dev, size, dma_handle);
- dma_mask = dev->dma_mask;
- dev->dma_mask = 0xffffffff; /* do without masking */
- ret = dev_alloc_coherent(dev, size, dma_handle, GFP_KERNEL);
- dev->dma_mask = dma_mask; /* restore */
+ return dma_alloc_coherent(dev, size, dma_handle, gfp_flags);
+ dma_mask = *dev->dma_mask;
+ *dev->dma_mask = 0xffffffff; /* do without masking */
+ ret = dma_alloc_coherent(dev, size, dma_handle, gfp_flags);
+ *dev->dma_mask = dma_mask; /* restore */
if (ret) {
/* obtained address is out of range? */
if (((unsigned long)*dma_handle + size - 1) & ~dma_mask) {
/* reallocate with the proper mask */
dma_free_coherent(dev, size, ret, *dma_handle);
- ret = dma_alloc_coherent(dev, size, dma_handle, GFP_KERNEL);
+ ret = dma_alloc_coherent(dev, size, dma_handle, gfp_flags);
}
} else {
/* wish to success now with the proper mask... */
if (dma_mask != 0xffffffffUL)
- ret = dma_alloc_coherent(dev, size, dma_handle, GFP_KERNEL);
+ ret = dma_alloc_coherent(dev, size, dma_handle, gfp_flags);
}
return ret;
}
--- linux/sound/pci/emu10k1/memory.c 15 Jan 2004 16:43:09 -0000 1.11
+++ linux/sound/pci/emu10k1/memory.c 2 Mar 2004 14:14:57 -0000
@@ -297,7 +297,7 @@
int page, err, idx;
snd_assert(emu, return NULL);
- snd_assert(substream->dma_device.type == SNDRV_DMA_TYPE_PCI_SG, return NULL);
+ snd_assert(substream->dma_device.type == SNDRV_DMA_TYPE_DEV_SG, return NULL);
snd_assert(runtime->dma_bytes > 0 && runtime->dma_bytes < MAXPAGES *
EMUPAGESIZE, return NULL);
hdr = emu->memhdr;
snd_assert(hdr, return NULL);
--- linux/sound/pci/trident/trident_main.c 24 Feb 2004 11:46:57 -0000 1.48
+++ linux/sound/pci/trident/trident_main.c 2 Mar 2004 14:15:55 -0000
@@ -1009,7 +1009,7 @@
snd_trident_voice_t *voice = (snd_trident_voice_t *) runtime->private_data;
unsigned int val, ESO_bytes;
- snd_assert(substream->dma_device.type == SNDRV_DMA_TYPE_PCI, return -EIO);
+ snd_assert(substream->dma_device.type == SNDRV_DMA_TYPE_DEV, return -EIO);
spin_lock(&trident->reg_lock);
--- linux/sound/pci/trident/trident_memory.c 10 Mar 2003 13:02:27 -0000 1.9
+++ linux/sound/pci/trident/trident_memory.c 2 Mar 2004 14:16:33 -0000
@@ -191,7 +191,7 @@
int idx, page;
struct snd_sg_buf *sgbuf = runtime->dma_private;
- snd_assert(substream->dma_device.type == SNDRV_DMA_TYPE_PCI_SG, return NULL);
+ snd_assert(substream->dma_device.type == SNDRV_DMA_TYPE_DEV_SG, return NULL);
snd_assert(runtime->dma_bytes > 0 && runtime->dma_bytes <=
SNDRV_TRIDENT_MAX_PAGES * SNDRV_TRIDENT_PAGE_SIZE, return NULL);
hdr = trident->tlb.memhdr;
snd_assert(hdr != NULL, return NULL);
@@ -240,7 +240,7 @@
dma_addr_t addr;
unsigned long ptr;
- snd_assert(substream->dma_device.type == SNDRV_DMA_TYPE_PCI, return NULL);
+ snd_assert(substream->dma_device.type == SNDRV_DMA_TYPE_DEV, return NULL);
snd_assert(runtime->dma_bytes> 0 && runtime->dma_bytes <=
SNDRV_TRIDENT_MAX_PAGES * SNDRV_TRIDENT_PAGE_SIZE, return NULL);
hdr = trident->tlb.memhdr;
snd_assert(hdr != NULL, return NULL);
@@ -276,7 +276,7 @@
{
snd_assert(trident != NULL, return NULL);
snd_assert(substream != NULL, return NULL);
- if (substream->dma_device.type == SNDRV_DMA_TYPE_PCI_SG)
+ if (substream->dma_device.type == SNDRV_DMA_TYPE_DEV_SG)
return snd_trident_alloc_sg_pages(trident, substream);
else
return snd_trident_alloc_cont_pages(trident, substream);