diff options
| author | Tobias Klauser <tklauser@nuerscht.ch> | 2006-04-10 22:54:21 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-04-11 06:18:44 -0700 |
| commit | 56b146d36db933844011d5026c6f55593037c7b8 (patch) | |
| tree | e8b9bed7bf22f658f9b62bf13e512bf08f137efc /Documentation/sound/alsa/DocBook/writing-an-alsa-driver.tmpl | |
| parent | 31cc48bfeef7a021d6e29f3454a4505edcfd6daa (diff) | |
[PATCH] Last DMA_xBIT_MASK cleanups
These are the last conversions of pci_set_dma_mask(),
pci_set_consistent_dma_mask() and pci_dma_supported() to use DMA_xBIT_MASK
constants from linux/dma-mapping.h
Signed-off-by: Tobias Klauser <tklauser@nuerscht.ch>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'Documentation/sound/alsa/DocBook/writing-an-alsa-driver.tmpl')
| -rw-r--r-- | Documentation/sound/alsa/DocBook/writing-an-alsa-driver.tmpl | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/Documentation/sound/alsa/DocBook/writing-an-alsa-driver.tmpl b/Documentation/sound/alsa/DocBook/writing-an-alsa-driver.tmpl index 6feef9e82b6..68eeebc17ff 100644 --- a/Documentation/sound/alsa/DocBook/writing-an-alsa-driver.tmpl +++ b/Documentation/sound/alsa/DocBook/writing-an-alsa-driver.tmpl @@ -1123,8 +1123,8 @@ if ((err = pci_enable_device(pci)) < 0) return err; /* check PCI availability (28bit DMA) */ - if (pci_set_dma_mask(pci, 0x0fffffff) < 0 || - pci_set_consistent_dma_mask(pci, 0x0fffffff) < 0) { + if (pci_set_dma_mask(pci, DMA_28BIT_MASK) < 0 || + pci_set_consistent_dma_mask(pci, DMA_28BIT_MASK) < 0) { printk(KERN_ERR "error to set 28bit mask DMA\n"); pci_disable_device(pci); return -ENXIO; @@ -1216,7 +1216,7 @@ The allocation of PCI resources is done in the <function>probe()</function> function, and usually an extra <function>xxx_create()</function> function is written for this - purpose. + purpose. </para> <para> @@ -1225,7 +1225,7 @@ allocating resources. Also, you need to set the proper PCI DMA mask to limit the accessed i/o range. In some cases, you might need to call <function>pci_set_master()</function> function, - too. + too. </para> <para> @@ -1236,8 +1236,8 @@ <![CDATA[ if ((err = pci_enable_device(pci)) < 0) return err; - if (pci_set_dma_mask(pci, 0x0fffffff) < 0 || - pci_set_consistent_dma_mask(pci, 0x0fffffff) < 0) { + if (pci_set_dma_mask(pci, DMA_28BIT_MASK) < 0 || + pci_set_consistent_dma_mask(pci, DMA_28BIT_MASK) < 0) { printk(KERN_ERR "error to set 28bit mask DMA\n"); pci_disable_device(pci); return -ENXIO; @@ -1256,13 +1256,13 @@ functions. Unlike ALSA ver.0.5.x., there are no helpers for that. And these resources must be released in the destructor function (see below). Also, on ALSA 0.9.x, you don't need to - allocate (pseudo-)DMA for PCI like ALSA 0.5.x. + allocate (pseudo-)DMA for PCI like ALSA 0.5.x. </para> <para> Now assume that this PCI device has an I/O port with 8 bytes and an interrupt. Then struct <structname>mychip</structname> will have the - following fields: + following fields: <informalexample> <programlisting> |