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uio: support memory sizes larger than 32 bits

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This is a completion to 27a90700a4
The size field is also increased to allow values larger than 32 bits
on platforms that have more than 32 bit physical addresses.

Signed-off-by: Cristian Stoica <cristian.stoica@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Cristian Stoica
2014-10-09 15:00:27 +03:00
committed by Greg Kroah-Hartman
parent 5559b7bc42
commit e0f1147cc9
3 changed files with 4 additions and 4 deletions
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Documentation/DocBook/uio-howto.tmpl
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@@ -540,7 +540,7 @@ appears in sysfs.
</para></listitem>
<listitem><para>
<varname>unsigned long size</varname>: Fill in the size of the
<varname>resource_size_t size</varname>: Fill in the size of the
memory block that <varname>addr</varname> points to. If <varname>size</varname>
is zero, the mapping is considered unused. Note that you
<emphasis>must</emphasis> initialize <varname>size</varname> with zero for