From 2e33def0339c78d33312a4e1d6d85978920c3669 Mon Sep 17 00:00:00 2001 From: Javier Martinez Canillas Date: Thu, 10 Apr 2014 01:30:06 +0200 Subject: [PATCH] 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 Reviewed-by: Daniel Vetter Signed-off-by: Jiri Kosina --- Documentation/dma-buf-sharing.txt | 4 ++-- 1 file 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: Exporting modules which do not wish to provide any specific name may use the helper define 'dma_buf_export()', with the same arguments as above, but - without the last argument; a __FILE__ pre-processor directive will be + without the last argument; a KBUILD_MODNAME pre-processor directive will be inserted in place of 'exp_name' instead. 2. 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: No special interfaces, userspace simply calls mmap on the dma-buf fd. -2. Supporting existing mmap interfaces in exporters +2. Supporting existing mmap interfaces in importers Similar to the motivation for kernel cpu access it is again important that the userspace code of a given importing subsystem can use the same interfaces