diff options
| author | Mark A. Greer <mgreer@mvista.com> | 2008-01-04 02:40:47 +1100 |
|---|---|---|
| committer | Paul Mackerras <paulus@samba.org> | 2008-01-17 14:57:35 +1100 |
| commit | 5b14e5f9ddbb1bd32a876cac75f5f3ecfd353063 (patch) | |
| tree | b6bfc903f6dfd92742a2e1ee0156b233d4a8f3b5 /Documentation/powerpc | |
| parent | 10804f0fb89561d63b2131be17cfaf8d1a30468c (diff) | |
[POWERPC] #address-cells & #size-cells properties are not inherited
Fix error in booting-without-of.txt that indicates that a node can inherit
its #address-cells and #size-cells definitions from its parent's parent.
This is not correct.
Signed-off-by: Mark A. Greer <mgreer@mvista.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'Documentation/powerpc')
| -rw-r--r-- | Documentation/powerpc/booting-without-of.txt | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/Documentation/powerpc/booting-without-of.txt b/Documentation/powerpc/booting-without-of.txt index bf18537f36a5..6d1d0856063e 100644 --- a/Documentation/powerpc/booting-without-of.txt +++ b/Documentation/powerpc/booting-without-of.txt @@ -671,10 +671,10 @@ device or bus to be described by the device tree. In general, the format of an address for a device is defined by the parent bus type, based on the #address-cells and #size-cells -property. In the absence of such a property, the parent's parent -values are used, etc... The kernel requires the root node to have -those properties defining addresses format for devices directly mapped -on the processor bus. +properties. Note that the parent's parent definitions of #address-cells +and #size-cells are not inhereted so every node with children must specify +them. The kernel requires the root node to have those properties defining +addresses format for devices directly mapped on the processor bus. Those 2 properties define 'cells' for representing an address and a size. A "cell" is a 32-bit number. For example, if both contain 2 |