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authorJavier Martinez Canillas <javier.martinez@collabora.co.uk>2014-04-09 19:30:06 -0400
committerJiri Kosina <jkosina@suse.cz>2014-05-05 09:28:05 -0400
commit2e33def0339c78d33312a4e1d6d85978920c3669 (patch)
tree5f38dbf2edd1b305fa953dffc2a03f9a52b79ddb
parentecf1dbac78a41c6a5b948f1a50960cde1ec362d1 (diff)
dma-buf: update exp_name when using dma_buf_export()
commit c0b00a5 ("dma-buf: update debugfs output") modified the default exporter name to be the KBUILD_MODNAME pre-processor macro instead of __FILE__ but the documentation was not updated. Also the "Supporting existing mmap interfaces in exporters" section title seems wrong since talks about the interface used by importers. Signed-off-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk> Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
-rw-r--r--Documentation/dma-buf-sharing.txt4
1 files changed, 2 insertions, 2 deletions
diff --git a/Documentation/dma-buf-sharing.txt b/Documentation/dma-buf-sharing.txt
index 505e71172ae7..7d61ceff956e 100644
--- a/Documentation/dma-buf-sharing.txt
+++ b/Documentation/dma-buf-sharing.txt
@@ -66,7 +66,7 @@ The dma_buf buffer sharing API usage contains the following steps:
66 66
67 Exporting modules which do not wish to provide any specific name may use the 67 Exporting modules which do not wish to provide any specific name may use the
68 helper define 'dma_buf_export()', with the same arguments as above, but 68 helper define 'dma_buf_export()', with the same arguments as above, but
69 without the last argument; a __FILE__ pre-processor directive will be 69 without the last argument; a KBUILD_MODNAME pre-processor directive will be
70 inserted in place of 'exp_name' instead. 70 inserted in place of 'exp_name' instead.
71 71
722. Userspace gets a handle to pass around to potential buffer-users 722. Userspace gets a handle to pass around to potential buffer-users
@@ -352,7 +352,7 @@ Being able to mmap an export dma-buf buffer object has 2 main use-cases:
352 352
353 No special interfaces, userspace simply calls mmap on the dma-buf fd. 353 No special interfaces, userspace simply calls mmap on the dma-buf fd.
354 354
3552. Supporting existing mmap interfaces in exporters 3552. Supporting existing mmap interfaces in importers
356 356
357 Similar to the motivation for kernel cpu access it is again important that 357 Similar to the motivation for kernel cpu access it is again important that
358 the userspace code of a given importing subsystem can use the same interfaces 358 the userspace code of a given importing subsystem can use the same interfaces