On PowerNV platforms we always have 1:1 mapping between chip ID and
firmware group id. Use the helper to convert firmware group id to
node id instead of directly using chip ID as Linux node id.
NOTE: This doesn't have any functional change. On PowerNV platforms
we continue to have 1:1 mapping between firmware group id and
Linux node id.
Reviewed-by: Gautham R. Shenoy <e...@linux.vnet.ibm.com>
Signed-off-by: Aneesh Kumar K.V <aneesh.ku...@linux.ibm.com>
---
drivers/cpufreq/powernv-cpufreq.c | 11 ++++++++++-
1 file changed, 10 insertions(+), 1 deletion(-)
diff --git a/drivers/cpufreq/powernv-cpufreq.c
b/drivers/cpufreq/powernv-cpufreq.c
index a9af15e994cc..d7e6eb8aaba1 100644
--- a/drivers/cpufreq/powernv-cpufreq.c
+++ b/drivers/cpufreq/powernv-cpufreq.c
@@ -27,6 +27,7 @@
#include <asm/reg.h>
#include <asm/smp.h> /* Required for cpu_sibling_mask() in UP configs */
#include <asm/opal.h>
+#include <asm/topology.h>
#include <linux/timer.h>
#define POWERNV_MAX_PSTATES_ORDER 8
@@ -1070,8 +1071,16 @@ static int init_chip_info(void)
}
for (i = 0; i < nr_chips; i++) {
+ struct affinity_domain domain;
+ unsigned int nid;
+
chips[i].id = chip[i];
- cpumask_copy(&chips[i].mask, cpumask_of_node(chip[i]));
+ /*
+ * On powervn platforms affinity domain id is same as chipd id.
+ */
+ domain.id = chip[i];
+ nid = affinity_domain_to_nid(&domain);
+ cpumask_copy(&chips[i].mask, cpumask_of_node(nid));
INIT_WORK(&chips[i].throttle, powernv_cpufreq_work_fn);
for_each_cpu(cpu, &chips[i].mask)
per_cpu(chip_info, cpu) = &chips[i];
--
2.26.2
