From cfcd82e632882372db960b50782a439a8ba56c09 Mon Sep 17 00:00:00 2001 From: Zhang Rui Date: Mon, 13 May 2019 13:58:54 -0400 Subject: hwmon/coretemp: Support multi-die/package Package temperature sensors are actually implemented in hardware per-die. Update coretemp to be "die-aware", so it can expose mulitple sensors per package, instead of just one. No change to single-die/package systems. Signed-off-by: Zhang Rui Signed-off-by: Len Brown Signed-off-by: Thomas Gleixner Reviewed-by: Ingo Molnar Acked-by: Guenter Roeck Acked-by: Peter Zijlstra (Intel) Cc: linux-pm@vger.kernel.org Cc: linux-hwmon@vger.kernel.org Link: https://lkml.kernel.org/r/ec2868f35113a01ff72d9041e0b97fc6a1c7df84.1557769318.git.len.brown@intel.com --- drivers/hwmon/coretemp.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) (limited to 'drivers/hwmon/coretemp.c') diff --git a/drivers/hwmon/coretemp.c b/drivers/hwmon/coretemp.c index 5d34f7271e67..c64ce32d3214 100644 --- a/drivers/hwmon/coretemp.c +++ b/drivers/hwmon/coretemp.c @@ -435,7 +435,7 @@ static int chk_ucode_version(unsigned int cpu) static struct platform_device *coretemp_get_pdev(unsigned int cpu) { - int pkgid = topology_logical_package_id(cpu); + int pkgid = topology_logical_die_id(cpu); if (pkgid >= 0 && pkgid < max_packages) return pkg_devices[pkgid]; @@ -579,7 +579,7 @@ static struct platform_driver coretemp_driver = { static struct platform_device *coretemp_device_add(unsigned int cpu) { - int err, pkgid = topology_logical_package_id(cpu); + int err, pkgid = topology_logical_die_id(cpu); struct platform_device *pdev; if (pkgid < 0) @@ -703,7 +703,7 @@ static int coretemp_cpu_offline(unsigned int cpu) * the rest. */ if (cpumask_empty(&pd->cpumask)) { - pkg_devices[topology_logical_package_id(cpu)] = NULL; + pkg_devices[topology_logical_die_id(cpu)] = NULL; platform_device_unregister(pdev); return 0; } @@ -741,7 +741,7 @@ static int __init coretemp_init(void) if (!x86_match_cpu(coretemp_ids)) return -ENODEV; - max_packages = topology_max_packages(); + max_packages = topology_max_packages() * topology_max_die_per_package(); pkg_devices = kcalloc(max_packages, sizeof(struct platform_device *), GFP_KERNEL); if (!pkg_devices) -- cgit v1.2.3