[Xen-changelog] [xen master] xen/dts: Remove device_get_reg call in process_cpu_node

[patchbot@xxxxxxx]

commit 57e835e51420bf1ff793524bbd815a85291c51e4
Author:     Julien Grall <julien.grall@xxxxxxxxxx>
AuthorDate: Fri Sep 13 13:49:13 2013 +0100
Commit:     Ian Campbell <ian.campbell@xxxxxxxxxx>
CommitDate: Tue Sep 17 15:27:56 2013 +0100

    xen/dts: Remove device_get_reg call in process_cpu_node
    
    The "reg" property is only composed of one uint32. device_get_reg can be
    replaced by dt_read_number.
    
    Signed-off-by: Julien Grall <julien.grall@xxxxxxxxxx>
    Acked-by: Ian Campbell <ian.campbell@xxxxxxxxxx>
---
 xen/common/device_tree.c |   19 ++++++++++++-------
 1 files changed, 12 insertions(+), 7 deletions(-)

diff --git a/xen/common/device_tree.c b/xen/common/device_tree.c
index a73eee8..f867dfd 100644
--- a/xen/common/device_tree.c
+++ b/xen/common/device_tree.c
@@ -426,21 +426,26 @@ static void __init process_cpu_node(const void *fdt, int 
node,
                                     u32 address_cells, u32 size_cells)
 {
     const struct fdt_property *prop;
-    const u32 *cell;
-    paddr_t start, size;
-
+    u32 cpuid;
+    int len;
 
-    prop = fdt_get_property(fdt, node, "reg", NULL);
+    prop = fdt_get_property(fdt, node, "reg", &len);
     if ( !prop )
     {
         early_printk("fdt: node `%s': missing `reg' property\n", name);
         return;
     }
 
-    cell = (const u32 *)prop->data;
-    device_tree_get_reg(&cell, address_cells, size_cells, &start, &size);
+    if ( len < sizeof (cpuid) )
+    {
+        dt_printk("fdt: node `%s': `reg` property length is too short\n",
+                  name);
+        return;
+    }
+
+    cpuid = dt_read_number((const __be32 *)prop->data, 1);
 
-    cpumask_set_cpu(start, &cpu_possible_map);
+    cpumask_set_cpu(cpuid, &cpu_possible_map);
 }
 
 static void __init process_multiboot_node(const void *fdt, int node,
--
generated by git-patchbot for /home/xen/git/xen.git#master

_______________________________________________
Xen-changelog mailing list
Xen-changelog@xxxxxxxxxxxxx
http://lists.xensource.com/xen-changelog