diff options
Diffstat (limited to 'Documentation/DocBook/uio-howto.tmpl')
-rw-r--r-- | Documentation/DocBook/uio-howto.tmpl | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/Documentation/DocBook/uio-howto.tmpl b/Documentation/DocBook/uio-howto.tmpl index 7c4b514d..ac3d001 100644 --- a/Documentation/DocBook/uio-howto.tmpl +++ b/Documentation/DocBook/uio-howto.tmpl @@ -521,6 +521,11 @@ Here's a description of the fields of <varname>struct uio_mem</varname>: <itemizedlist> <listitem><para> +<varname>const char *name</varname>: Optional. Set this to help identify +the memory region, it will show up in the corresponding sysfs node. +</para></listitem> + +<listitem><para> <varname>int memtype</varname>: Required if the mapping is used. Set this to <varname>UIO_MEM_PHYS</varname> if you you have physical memory on your card to be mapped. Use <varname>UIO_MEM_LOGICAL</varname> for logical @@ -529,7 +534,7 @@ memory (e.g. allocated with <function>kmalloc()</function>). There's also </para></listitem> <listitem><para> -<varname>unsigned long addr</varname>: Required if the mapping is used. +<varname>phys_addr_t addr</varname>: Required if the mapping is used. Fill in the address of your memory block. This address is the one that appears in sysfs. </para></listitem> @@ -553,7 +558,7 @@ instead to remember such an address. </itemizedlist> <para> -Please do not touch the <varname>kobj</varname> element of +Please do not touch the <varname>map</varname> element of <varname>struct uio_mem</varname>! It is used by the UIO framework to set up sysfs files for this mapping. Simply leave it alone. </para> |