diff options
| author | Zhang Rui <rui.zhang@intel.com> | 2022-12-19 23:46:17 +0800 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2022-12-30 19:57:38 +0100 |
| commit | 955fb8719efbb8e914dc03f192e9a0bded3bae77 (patch) | |
| tree | cef5588ae3bd63e277411a66355c5da486de13d5 | |
| parent | d91a4714e54e4ad4d6fe795339aae329f53b2217 (diff) | |
thermal/intel/intel_soc_dts_iosf: Use Intel TCC library
Cleanup the code by using Intel TCC library for TCC (Thermal Control
Circuitry) MSR access.
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
| -rw-r--r-- | drivers/thermal/intel/Kconfig | 1 | ||||
| -rw-r--r-- | drivers/thermal/intel/intel_soc_dts_iosf.c | 33 |
2 files changed, 6 insertions, 28 deletions
diff --git a/drivers/thermal/intel/Kconfig b/drivers/thermal/intel/Kconfig index 6b938c040d6e..329c0ee934c4 100644 --- a/drivers/thermal/intel/Kconfig +++ b/drivers/thermal/intel/Kconfig @@ -32,6 +32,7 @@ config INTEL_SOC_DTS_IOSF_CORE tristate depends on X86 && PCI select IOSF_MBI + select INTEL_TCC help This is becoming a common feature for Intel SoCs to expose the additional digital temperature sensors (DTSs) using side band interface (IOSF). This diff --git a/drivers/thermal/intel/intel_soc_dts_iosf.c b/drivers/thermal/intel/intel_soc_dts_iosf.c index 342b0bb5a56d..2138693d8afd 100644 --- a/drivers/thermal/intel/intel_soc_dts_iosf.c +++ b/drivers/thermal/intel/intel_soc_dts_iosf.c @@ -7,6 +7,7 @@ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt #include <linux/bitops.h> +#include <linux/intel_tcc.h> #include <linux/module.h> #include <linux/slab.h> #include <linux/interrupt.h> @@ -45,32 +46,6 @@ /* DTS0 and DTS 1 */ #define SOC_MAX_DTS_SENSORS 2 -static int get_tj_max(u32 *tj_max) -{ - u32 eax, edx; - u32 val; - int err; - - err = rdmsr_safe(MSR_IA32_TEMPERATURE_TARGET, &eax, &edx); - if (err) - goto err_ret; - else { - val = (eax >> 16) & 0xff; - if (val) - *tj_max = val * 1000; - else { - err = -EINVAL; - goto err_ret; - } - } - - return 0; -err_ret: - *tj_max = 0; - - return err; -} - static int sys_get_trip_temp(struct thermal_zone_device *tzd, int trip, int *temp) { @@ -415,8 +390,9 @@ struct intel_soc_dts_sensors *intel_soc_dts_iosf_init( if (!trip_count || read_only_trip_count > trip_count) return ERR_PTR(-EINVAL); - if (get_tj_max(&tj_max)) - return ERR_PTR(-EINVAL); + tj_max = intel_tcc_get_tjmax(-1); + if (tj_max < 0) + return ERR_PTR(tj_max); sensors = kzalloc(sizeof(*sensors), GFP_KERNEL); if (!sensors) @@ -475,4 +451,5 @@ void intel_soc_dts_iosf_exit(struct intel_soc_dts_sensors *sensors) } EXPORT_SYMBOL_GPL(intel_soc_dts_iosf_exit); +MODULE_IMPORT_NS(INTEL_TCC); MODULE_LICENSE("GPL v2"); |