[PATCH 09/10] xen: arm: Drop device_tree_node_compatible

[Ian Campbell <ian.campbell@citrix.com>]

Instead use fdt_node_check_compatible from libfdt.

Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
---
 xen/arch/arm/bootfdt.c |   28 ++--------------------------
 1 file changed, 2 insertions(+), 26 deletions(-)

diff --git a/xen/arch/arm/bootfdt.c b/xen/arch/arm/bootfdt.c
index a80055c..8ab45c9 100644
--- a/xen/arch/arm/bootfdt.c
+++ b/xen/arch/arm/bootfdt.c
@@ -31,30 +31,6 @@ static bool_t __init device_tree_node_matches(const void *fdt, int node,
         && (name[match_len] == '@' || name[match_len] == '\0');
 }
 
-static bool_t __init device_tree_node_compatible(const void *fdt, int node,
-                                                 const char *match)
-{
-    int len, l;
-    int mlen;
-    const void *prop;
-
-    mlen = strlen(match);
-
-    prop = fdt_getprop(fdt, node, "compatible", &len);
-    if ( prop == NULL )
-        return 0;
-
-    while ( len > 0 ) {
-        if ( !dt_compat_cmp(prop, match) )
-            return 1;
-        l = strlen(prop) + 1;
-        prop += l;
-        len -= l;
-    }
-
-    return 0;
-}
-
 static void __init device_tree_get_reg(const __be32 **cell, u32 address_cells,
                                        u32 size_cells, u64 *start, u64 *size)
 {
@@ -261,8 +237,8 @@ static int __init early_scan_node(const void *fdt,
 {
     if ( device_tree_node_matches(fdt, node, "memory") )
         process_memory_node(fdt, node, name, address_cells, size_cells);
-    else if ( device_tree_node_compatible(fdt, node, "xen,multiboot-module" ) ||
-              device_tree_node_compatible(fdt, node, "multiboot,module" ))
+    else if ( fdt_node_check_compatible(fdt, node, "xen,multiboot-module" ) ||
+              fdt_node_check_compatible(fdt, node, "multiboot,module" ))
         process_multiboot_node(fdt, node, name, address_cells, size_cells);
     else if ( depth == 1 && device_tree_node_matches(fdt, node, "chosen") )
         process_chosen_node(fdt, node, name, address_cells, size_cells);
-- 
1.7.10.4