[05/29] hwmon: (fam15h_power) Use topology_core_id()

Message ID 20230724172843.988600888@linutronix.de
State New
Headers
Series x86/cpu: Rework the topology evaluation |

Commit Message

Thomas Gleixner July 24, 2023, 5:43 p.m. UTC
  Use the provided topology helper function instead of fiddling in cpu_data.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-hwmon@vger.kernel.org
Cc: Jean Delvare <jdelvare@suse.com>
Cc: Huang Rui <ray.huang@amd.com>
Cc: Guenter Roeck <linux@roeck-us.net>
---
 drivers/hwmon/fam15h_power.c |    7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)
  

Comments

Guenter Roeck July 24, 2023, 5:53 p.m. UTC | #1
On 7/24/23 10:43, Thomas Gleixner wrote:
> Use the provided topology helper function instead of fiddling in cpu_data.
> 
> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
> Cc: linux-hwmon@vger.kernel.org
> Cc: Jean Delvare <jdelvare@suse.com>
> Cc: Huang Rui <ray.huang@amd.com>
> Cc: Guenter Roeck <linux@roeck-us.net>

Assuming this will be applied as part of the series:

Acked-by: Guenter Roeck <linux@roeck-us.net>

Please let me know if you want me to apply the patch through
the hardware monitoring branch.

Thanks,
Guenter

> ---
>   drivers/hwmon/fam15h_power.c |    7 +++----
>   1 file changed, 3 insertions(+), 4 deletions(-)
> 
> --- a/drivers/hwmon/fam15h_power.c
> +++ b/drivers/hwmon/fam15h_power.c
> @@ -17,6 +17,7 @@
>   #include <linux/cpumask.h>
>   #include <linux/time.h>
>   #include <linux/sched.h>
> +#include <linux/topology.h>
>   #include <asm/processor.h>
>   #include <asm/msr.h>
>   
> @@ -134,15 +135,13 @@ static DEVICE_ATTR_RO(power1_crit);
>   static void do_read_registers_on_cu(void *_data)
>   {
>   	struct fam15h_power_data *data = _data;
> -	int cpu, cu;
> -
> -	cpu = smp_processor_id();
> +	int cu;
>   
>   	/*
>   	 * With the new x86 topology modelling, cpu core id actually
>   	 * is compute unit id.
>   	 */
> -	cu = cpu_data(cpu).cpu_core_id;
> +	cu = topology_core_id(smp_processor_id());
>   
>   	rdmsrl_safe(MSR_F15H_CU_PWR_ACCUMULATOR, &data->cu_acc_power[cu]);
>   	rdmsrl_safe(MSR_F15H_PTSC, &data->cpu_sw_pwr_ptsc[cu]);
>
  

Patch

--- a/drivers/hwmon/fam15h_power.c
+++ b/drivers/hwmon/fam15h_power.c
@@ -17,6 +17,7 @@ 
 #include <linux/cpumask.h>
 #include <linux/time.h>
 #include <linux/sched.h>
+#include <linux/topology.h>
 #include <asm/processor.h>
 #include <asm/msr.h>
 
@@ -134,15 +135,13 @@  static DEVICE_ATTR_RO(power1_crit);
 static void do_read_registers_on_cu(void *_data)
 {
 	struct fam15h_power_data *data = _data;
-	int cpu, cu;
-
-	cpu = smp_processor_id();
+	int cu;
 
 	/*
 	 * With the new x86 topology modelling, cpu core id actually
 	 * is compute unit id.
 	 */
-	cu = cpu_data(cpu).cpu_core_id;
+	cu = topology_core_id(smp_processor_id());
 
 	rdmsrl_safe(MSR_F15H_CU_PWR_ACCUMULATOR, &data->cu_acc_power[cu]);
 	rdmsrl_safe(MSR_F15H_PTSC, &data->cpu_sw_pwr_ptsc[cu]);