Author: kp
Date: Wed Sep 11 16:16:53 2019
New Revision: 352218
URL: https://svnweb.freebsd.org/changeset/base/352218

Log:
  riscv: Small fix to CPU compatibility identification
  
  fdt_is_compatible_strict() inspects the first compatible property.
  We need to inspect the following properties for 'riscv'.
  ofw_bus_node_is_compatible() does a recursive search.
  
  This patch fixes "Can't find CPU" error message when bootverbose = true.
  
  Submitted by: Nicholas O'Brien (nickisobrien_gmail.com)
  Reviewed by:  philip, kp
  Sponsored by: Axiado
  Differential Revision:        https://reviews.freebsd.org/D21576

Modified:
  head/sys/riscv/riscv/identcpu.c

Modified: head/sys/riscv/riscv/identcpu.c
==============================================================================
--- head/sys/riscv/riscv/identcpu.c     Wed Sep 11 16:06:05 2019        
(r352217)
+++ head/sys/riscv/riscv/identcpu.c     Wed Sep 11 16:16:53 2019        
(r352218)
@@ -141,7 +141,7 @@ fill_elf_hwcap(void *dummy __unused)
         * ISAs, keep only the extension bits that are common to all harts.
         */
        for (node = OF_child(node); node > 0; node = OF_peer(node)) {
-               if (!fdt_is_compatible_strict(node, "riscv")) {
+               if (!ofw_bus_node_is_compatible(node, "riscv")) {
                        if (bootverbose)
                                printf("fill_elf_hwcap: Can't find cpu\n");
                        return;
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