aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/dma
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2008-04-21 19:36:46 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2008-04-21 19:36:46 -0400
commite9b62693ae0a1e13ccc97a6792d9a7770c8d1b5b (patch)
treec676609730533fc1b7c5e01992e46b6eaf75f99b /drivers/dma
parent548453fd107f789f5f1bc2dc13cc432ceb3b5efd (diff)
parent838cb6aba4cebcf4fcd06b90e2adf890bef884ac (diff)
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/juhl/trivial
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/juhl/trivial: (24 commits) DOC: A couple corrections and clarifications in USB doc. Generate a slightly more informative error msg for bad HZ fix typo "is" -> "if" in Makefile ext*: spelling fix prefered -> preferred DOCUMENTATION: Use newer DEFINE_SPINLOCK macro in docs. KEYS: Fix the comment to match the file name in rxrpc-type.h. RAID: remove trailing space from printk line DMA engine: typo fixes Remove unused MAX_NODES_SHIFT MAINTAINERS: Clarify access to OCFS2 development mailing list. V4L: Storage class should be before const qualifier (sn9c102) V4L: Storage class should be before const qualifier sonypi: Storage class should be before const qualifier intel_menlow: Storage class should be before const qualifier DVB: Storage class should be before const qualifier arm: Storage class should be before const qualifier ALSA: Storage class should be before const qualifier acpi: Storage class should be before const qualifier firmware_sample_driver.c: fix coding style MAINTAINERS: Add ati_remote2 driver ... Fixed up trivial conflicts in firmware_sample_driver.c
Diffstat (limited to 'drivers/dma')
-rw-r--r--drivers/dma/dmaengine.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/dma/dmaengine.c b/drivers/dma/dmaengine.c
index d6dc70fd7527..97b329e76798 100644
--- a/drivers/dma/dmaengine.c
+++ b/drivers/dma/dmaengine.c
@@ -42,9 +42,9 @@
42 * 42 *
43 * Each device has a kref, which is initialized to 1 when the device is 43 * Each device has a kref, which is initialized to 1 when the device is
44 * registered. A kref_get is done for each device registered. When the 44 * registered. A kref_get is done for each device registered. When the
45 * device is released, the coresponding kref_put is done in the release 45 * device is released, the corresponding kref_put is done in the release
46 * method. Every time one of the device's channels is allocated to a client, 46 * method. Every time one of the device's channels is allocated to a client,
47 * a kref_get occurs. When the channel is freed, the coresponding kref_put 47 * a kref_get occurs. When the channel is freed, the corresponding kref_put
48 * happens. The device's release function does a completion, so 48 * happens. The device's release function does a completion, so
49 * unregister_device does a remove event, device_unregister, a kref_put 49 * unregister_device does a remove event, device_unregister, a kref_put
50 * for the first reference, then waits on the completion for all other 50 * for the first reference, then waits on the completion for all other
@@ -53,7 +53,7 @@
53 * Each channel has an open-coded implementation of Rusty Russell's "bigref," 53 * Each channel has an open-coded implementation of Rusty Russell's "bigref,"
54 * with a kref and a per_cpu local_t. A dma_chan_get is called when a client 54 * with a kref and a per_cpu local_t. A dma_chan_get is called when a client
55 * signals that it wants to use a channel, and dma_chan_put is called when 55 * signals that it wants to use a channel, and dma_chan_put is called when
56 * a channel is removed or a client using it is unregesitered. A client can 56 * a channel is removed or a client using it is unregistered. A client can
57 * take extra references per outstanding transaction, as is the case with 57 * take extra references per outstanding transaction, as is the case with
58 * the NET DMA client. The release function does a kref_put on the device. 58 * the NET DMA client. The release function does a kref_put on the device.
59 * -ChrisL, DanW 59 * -ChrisL, DanW