[coreboot-gerrit] Change in coreboot[master]: arch/x86: Skip returning default leaf value as `0`

[Subrata Banik (Code Review)]

Subrata Banik has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/57305 )

Change subject: arch/x86: Skip returning default leaf value as `0`
......................................................................

arch/x86: Skip returning default leaf value as `0`

`cpu_get_cache_info_leaf()` function is responsible to report leaf
value for CPU that have support for deterministic cache cpuid. As per
available datasheets from AMD and Intel the supported CPUID leaf are
0x8000_001d for AMD and 0x04 for Intel. Hence, this CL skip returning
default leaf value as `0`.

Change-Id: Iee33b39298e7821ac5280d998172b58a70c8715b
Signed-off-by: Subrata Banik 
---
M src/arch/x86/cpu_common.c
1 file changed, 2 insertions(+), 6 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/05/57305/1

diff --git a/src/arch/x86/cpu_common.c b/src/arch/x86/cpu_common.c
index 835cddd6..390dbef 100644
--- a/src/arch/x86/cpu_common.c
+++ b/src/arch/x86/cpu_common.c
@@ -109,14 +109,10 @@

static uint32_t cpu_get_cache_info_leaf(void)
 {
-	switch (cpu_check_deterministic_cache_cpuid_supported()) {
-	case CPUID_TYPE_AMD:
+	if (cpu_check_deterministic_cache_cpuid_supported() == CPUID_TYPE_AMD)
    	return DETERMINISTIC_CACHE_PARAMETERS_CPUID_AMD;
-	case CPUID_TYPE_INTEL:
+	else
    	return DETERMINISTIC_CACHE_PARAMETERS_CPUID_IA;
-	default:
-		return 0;
-	}
 }

size_t cpu_get_cache_ways_assoc_info(const struct cpu_cache_info *info)