summaryrefslogtreecommitdiff
path: root/Documentation/driver-api/uio-howto.rst
diff options
context:
space:
mode:
authorIngo Molnar <mingo@kernel.org>2019-06-24 19:19:53 +0200
committerIngo Molnar <mingo@kernel.org>2019-06-24 19:19:53 +0200
commitd2abae71ebcc409828b24ce9da402548ecdf1311 (patch)
tree5edfafc2828d3bcebb3698520ccba374cd4328c0 /Documentation/driver-api/uio-howto.rst
parent66567fcbaecac455caa1b13643155d686b51ce63 (diff)
parent4b972a01a7da614b4796475f933094751a295a2f (diff)
Merge tag 'v5.2-rc6' into sched/core, to refresh the branch
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'Documentation/driver-api/uio-howto.rst')
-rw-r--r--Documentation/driver-api/uio-howto.rst4
1 files changed, 2 insertions, 2 deletions
diff --git a/Documentation/driver-api/uio-howto.rst b/Documentation/driver-api/uio-howto.rst
index 25f50eace28b..8fecfa11d4ff 100644
--- a/Documentation/driver-api/uio-howto.rst
+++ b/Documentation/driver-api/uio-howto.rst
@@ -276,8 +276,8 @@ fields of ``struct uio_mem``:
- ``int memtype``: Required if the mapping is used. Set this to
``UIO_MEM_PHYS`` if you you have physical memory on your card to be
mapped. Use ``UIO_MEM_LOGICAL`` for logical memory (e.g. allocated
- with :c:func:`kmalloc()`). There's also ``UIO_MEM_VIRTUAL`` for
- virtual memory.
+ with :c:func:`__get_free_pages()` but not kmalloc()). There's also
+ ``UIO_MEM_VIRTUAL`` for virtual memory.
- ``phys_addr_t addr``: Required if the mapping is used. Fill in the
address of your memory block. This address is the one that appears in