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authorMauro Carvalho Chehab <m.chehab@samsung.com>2014-04-14 12:00:36 -0300
committerMauro Carvalho Chehab <m.chehab@samsung.com>2014-04-14 12:00:36 -0300
commit277a163c83d7ba93fba1e8980d29a9f8bfcfba6c (patch)
treeccfd357d152292958957b6b8a993892e7a8cc95f /include/linux/dmaengine.h
parenta83b93a7480441a47856dc9104bea970e84cda87 (diff)
parentc9eaa447e77efe77b7fa4c953bd62de8297fd6c5 (diff)
Merge tag 'v3.15-rc1' into patchwork
Linux 3.15-rc1 * tag 'v3.15-rc1': (12180 commits) Linux 3.15-rc1 mm: Initialize error in shmem_file_aio_read() cifs: Use min_t() when comparing "size_t" and "unsigned long" sym53c8xx_2: Set DID_REQUEUE return code when aborting squeue powerpc: Don't try to set LPCR unless we're in hypervisor mode futex: update documentation for ordering guarantees ceph: fix pr_fmt() redefinition vti: don't allow to add the same tunnel twice gre: don't allow to add the same tunnel twice drivers: net: xen-netfront: fix array initialization bug missing bits of "splice: fix racy pipe->buffers uses" cifs: fix the race in cifs_writev() ceph_sync_{,direct_}write: fix an oops on ceph_osdc_new_request() failure pktgen: be friendly to LLTX devices r8152: check RTL8152_UNPLUG net: sun4i-emac: add promiscuous support net/apne: replace IS_ERR and PTR_ERR with PTR_ERR_OR_ZERO blackfin: cleanup board files bf609: clock: drop unused clock bit set/clear functions Blackfin: bf537: rename "CONFIG_ADT75" ...
Diffstat (limited to 'include/linux/dmaengine.h')
-rw-r--r--include/linux/dmaengine.h14
1 files changed, 5 insertions, 9 deletions
diff --git a/include/linux/dmaengine.h b/include/linux/dmaengine.h
index c5c92d59e53..8300fb87b84 100644
--- a/include/linux/dmaengine.h
+++ b/include/linux/dmaengine.h
@@ -341,15 +341,11 @@ enum dma_slave_buswidth {
* and this struct will then be passed in as an argument to the
* DMA engine device_control() function.
*
- * The rationale for adding configuration information to this struct
- * is as follows: if it is likely that most DMA slave controllers in
- * the world will support the configuration option, then make it
- * generic. If not: if it is fixed so that it be sent in static from
- * the platform data, then prefer to do that. Else, if it is neither
- * fixed at runtime, nor generic enough (such as bus mastership on
- * some CPU family and whatnot) then create a custom slave config
- * struct and pass that, then make this config a member of that
- * struct, if applicable.
+ * The rationale for adding configuration information to this struct is as
+ * follows: if it is likely that more than one DMA slave controllers in
+ * the world will support the configuration option, then make it generic.
+ * If not: if it is fixed so that it be sent in static from the platform
+ * data, then prefer to do that.
*/
struct dma_slave_config {
enum dma_transfer_direction direction;