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Diffstat (limited to 'Documentation/driver-api/uio-howto.rst')
| -rw-r--r-- | Documentation/driver-api/uio-howto.rst | 4 |
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 |