cpuid: avoid unions in parsing data

[ccan] / ccan / cpuid / cpuid.h

diff --git a/ccan/cpuid/cpuid.h b/ccan/cpuid/cpuid.h
index 0a9fc9d91ac84bb1d98cc27e80bb1b5ae5a914da..ee61da85d5035de4556a43fcf08254929fdf2f43 100644 (file)
--- a/ccan/cpuid/cpuid.h
+++ b/ccan/cpuid/cpuid.h
@@ -205,8 +205,14 @@ uint32_t cpuid_highest_ext_func_supported(void);
  * For CPU_EXTENDED_PROC_INFO_FEATURE_BITS:
  *     Returns them in buf[0] and buf[1].
  *
+ * For CPU_EXTENDED_L2_CACHE_FEATURES:
+ *     buf[0]: Line size
+ *     buf[1]: Associativity
+ *     buf[2]: Cache size.
+ *
  * For CPU_VIRT_PHYS_ADDR_SIZES:
- *     Returns it as an integer in *buf.
+ *     buf[0]: Physical
+ *     buf[1]: Virtual
  *
  * For CPU_PROC_BRAND_STRING:
  *     Have a char array with at least 48 bytes assigned to it.