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Subject[PATCH 07/11] powercap/intel_rapl: simplify rapl_find_package()
Date
From: Zhang Rui <rui.zhang@intel.com>

Simplify how the code to discover a package is called.
Rename find_package_by_id() to rapl_find_package()

No functional change.

Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
Cc: linux-pm@vger.kernel.org
Signed-off-by: Len Brown <len.brown@intel.com>
---
drivers/powercap/intel_rapl.c | 18 +++++++++---------
1 file changed, 9 insertions(+), 9 deletions(-)

diff --git a/drivers/powercap/intel_rapl.c b/drivers/powercap/intel_rapl.c
index 6cdb2c14eee4..6057d9695fed 100644
--- a/drivers/powercap/intel_rapl.c
+++ b/drivers/powercap/intel_rapl.c
@@ -264,8 +264,9 @@ static struct powercap_control_type *control_type; /* PowerCap Controller */
static struct rapl_domain *platform_rapl_domain; /* Platform (PSys) domain */

/* caller to ensure CPU hotplug lock is held */
-static struct rapl_package *find_package_by_id(int id)
+static struct rapl_package *rapl_find_package(int cpu)
{
+ int id = topology_physical_package_id(cpu);
struct rapl_package *rp;

list_for_each_entry(rp, &rapl_packages, plist) {
@@ -1298,7 +1299,7 @@ static int __init rapl_register_psys(void)
rd->rpl[0].name = pl1_name;
rd->rpl[1].prim_id = PL2_ENABLE;
rd->rpl[1].name = pl2_name;
- rd->rp = find_package_by_id(0);
+ rd->rp = rapl_find_package(0);

power_zone = powercap_register_zone(&rd->power_zone, control_type,
"psys", NULL,
@@ -1454,8 +1455,9 @@ static void rapl_remove_package(struct rapl_package *rp)
}

/* called from CPU hotplug notifier, hotplug lock held */
-static struct rapl_package *rapl_add_package(int cpu, int pkgid)
+static struct rapl_package *rapl_add_package(int cpu)
{
+ int id = topology_physical_package_id(cpu);
struct rapl_package *rp;
int ret;

@@ -1464,7 +1466,7 @@ static struct rapl_package *rapl_add_package(int cpu, int pkgid)
return ERR_PTR(-ENOMEM);

/* add the new package to the list */
- rp->id = pkgid;
+ rp->id = id;
rp->lead_cpu = cpu;

/* check if the package contains valid domains */
@@ -1495,12 +1497,11 @@ static struct rapl_package *rapl_add_package(int cpu, int pkgid)
*/
static int rapl_cpu_online(unsigned int cpu)
{
- int pkgid = topology_physical_package_id(cpu);
struct rapl_package *rp;

- rp = find_package_by_id(pkgid);
+ rp = rapl_find_package(cpu);
if (!rp) {
- rp = rapl_add_package(cpu, pkgid);
+ rp = rapl_add_package(cpu);
if (IS_ERR(rp))
return PTR_ERR(rp);
}
@@ -1510,11 +1511,10 @@ static int rapl_cpu_online(unsigned int cpu)

static int rapl_cpu_down_prep(unsigned int cpu)
{
- int pkgid = topology_physical_package_id(cpu);
struct rapl_package *rp;
int lead_cpu;

- rp = find_package_by_id(pkgid);
+ rp = rapl_find_package(cpu);
if (!rp)
return 0;

--
2.18.0-rc0
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