docs: dma-attributes: Fix dma_alloc_attrs() name

dma_alloc_attr() does not exist; the allocation API is
dma_alloc_attrs().

Fixes: d5724f172f ("common: DMA-mapping: add DMA_ATTR_NO_KERNEL_MAPPING attribute")
Assisted-by: Codex:gpt-5.6-sol
Signed-off-by: Karl Mehltretter <kmehltretter@gmail.com>
Reviewed-by: Randy Dunlap <rdunlap@infradead.org>
Acked-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Message-ID: <20260822121651.1559-4-kmehltretter@gmail.com>
This commit is contained in:
Karl Mehltretter 2026-08-22 14:16:47 +02:00 committed by Jonathan Corbet
parent df72403da9
commit df5489eae6

View File

@ -34,7 +34,7 @@ such mapping is non-trivial task and consumes very limited resources
(like kernel virtual address space or dma consistent address space).
Buffers allocated with this attribute can be only passed to user space
by calling dma_mmap_attrs(). By using this API, you are guaranteeing
that you won't dereference the pointer returned by dma_alloc_attr(). You
that you won't dereference the pointer returned by dma_alloc_attrs(). You
can treat it as a cookie that must be passed to dma_mmap_attrs() and
dma_free_attrs(). Make sure that both of these also get this attribute
set on each call.