From 5b14e5f9ddbb1bd32a876cac75f5f3ecfd353063 Mon Sep 17 00:00:00 2001 From: "Mark A. Greer" Date: Fri, 4 Jan 2008 02:40:47 +1100 Subject: [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 Signed-off-by: Paul Mackerras --- Documentation/powerpc/booting-without-of.txt | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) (limited to 'Documentation/powerpc') 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 -- cgit v1.2.2