[coreboot-gerrit] Change in coreboot[master]: soc/intel/common/block/acpi: fix P-States extra entry

[Julien Viard de Galbert (Code Review)]

Julien Viard de Galbert has uploaded this change for review. ( https://review.coreboot.org/25429

Change subject: soc/intel/common/block/acpi: fix P-States extra entry
......................................................................

soc/intel/common/block/acpi: fix P-States extra entry

The ratio_max step is appearing twice when PSS_RATIO_STEP is 1

This is because in this case there are no rounding down of ratio_max in
the for loop.

Change-Id: I91090b4d87eb82b57055c24271d679d1cbb3b7a7
Signed-off-by: Julien Viard de Galbert 
---
M src/soc/intel/common/block/acpi/acpi.c
1 file changed, 3 insertions(+), 1 deletion(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/29/25429/1

diff --git a/src/soc/intel/common/block/acpi/acpi.c b/src/soc/intel/common/block/acpi/acpi.c
index ae0617d..68fe944 100644
--- a/src/soc/intel/common/block/acpi/acpi.c
+++ b/src/soc/intel/common/block/acpi/acpi.c
@@ -324,7 +324,9 @@

/* Determine ratio points */
    ratio_step = PSS_RATIO_STEP;
-	num_entries = ((ratio_max - ratio_min) / ratio_step) + 1;
+	num_entries = ((ratio_max - ratio_min) / ratio_step);
+	if (PSS_RATIO_STEP != 1)
+		num_entries += 1;
    if (num_entries > PSS_MAX_ENTRIES) {
    	ratio_step += 1;
    	num_entries = ((ratio_max - ratio_min) / ratio_step) + 1;