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author | Linus Torvalds <torvalds@linux-foundation.org> | 2022-05-30 11:01:50 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2022-05-30 11:01:50 -0700 |
commit | 73d15ba6ba390caed47aa8885811d1cd7b4477f3 (patch) | |
tree | 9829502e3a038c929b33cac510d764a5ddc206e0 /drivers | |
parent | 2d2da475ac0eebfbf40e5c5ca8c0409d62d23424 (diff) | |
parent | 7e4fd16b38923028b01d3dbadf4ca973d885c53e (diff) | |
download | linux-73d15ba6ba390caed47aa8885811d1cd7b4477f3.tar.bz2 |
Merge tag 'mips_5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux
Pull MIPS updates from Thomas Bogendoerfer:
"Cleanups and fixes"
* tag 'mips_5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux: (38 commits)
MIPS: RALINK: Define pci_remap_iospace under CONFIG_PCI_DRIVERS_GENERIC
MIPS: Use memblock_add_node() in early_parse_mem() under CONFIG_NUMA
MIPS: Return -EINVAL if mem parameter is empty in early_parse_mem()
MIPS: Kconfig: Fix indentation and add endif comment
MIPS: bmips: Fix compiler warning observed on W=1 build
MIPS: Rewrite `csum_tcpudp_nofold' in plain C
mips: setup: use strscpy to replace strlcpy
MIPS: Octeon: add SNIC10E board
MIPS: Ingenic: Refresh defconfig for CU1000-Neo and CU1830-Neo.
MIPS: Ingenic: Refresh device tree for Ingenic SoCs and boards.
MIPS: Ingenic: Add PWM nodes for X1830.
MIPS: Octeon: fix typo in comment
MIPS: loongson32: Kconfig: Remove extra space
MIPS: Sibyte: remove unnecessary return variable
MIPS: Use NOKPROBE_SYMBOL() instead of __kprobes annotation
selftests/ftrace: Save kprobe_events to test log
MIPS: tools: no need to initialise statics to 0
MIPS: Loongson: Use hwmon_device_register_with_groups() to register hwmon
MIPS: VR41xx: Drop redundant spinlock initialization
MIPS: smp: optimization for flush_tlb_mm when exiting
...
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/platform/mips/cpu_hwmon.c | 127 |
1 files changed, 41 insertions, 86 deletions
diff --git a/drivers/platform/mips/cpu_hwmon.c b/drivers/platform/mips/cpu_hwmon.c index 386389ffec41..d8c5f9195f85 100644 --- a/drivers/platform/mips/cpu_hwmon.c +++ b/drivers/platform/mips/cpu_hwmon.c @@ -55,55 +55,6 @@ out: static int nr_packages; static struct device *cpu_hwmon_dev; -static SENSOR_DEVICE_ATTR(name, 0444, NULL, NULL, 0); - -static struct attribute *cpu_hwmon_attributes[] = { - &sensor_dev_attr_name.dev_attr.attr, - NULL -}; - -/* Hwmon device attribute group */ -static struct attribute_group cpu_hwmon_attribute_group = { - .attrs = cpu_hwmon_attributes, -}; - -static ssize_t get_cpu_temp(struct device *dev, - struct device_attribute *attr, char *buf); -static ssize_t cpu_temp_label(struct device *dev, - struct device_attribute *attr, char *buf); - -static SENSOR_DEVICE_ATTR(temp1_input, 0444, get_cpu_temp, NULL, 1); -static SENSOR_DEVICE_ATTR(temp1_label, 0444, cpu_temp_label, NULL, 1); -static SENSOR_DEVICE_ATTR(temp2_input, 0444, get_cpu_temp, NULL, 2); -static SENSOR_DEVICE_ATTR(temp2_label, 0444, cpu_temp_label, NULL, 2); -static SENSOR_DEVICE_ATTR(temp3_input, 0444, get_cpu_temp, NULL, 3); -static SENSOR_DEVICE_ATTR(temp3_label, 0444, cpu_temp_label, NULL, 3); -static SENSOR_DEVICE_ATTR(temp4_input, 0444, get_cpu_temp, NULL, 4); -static SENSOR_DEVICE_ATTR(temp4_label, 0444, cpu_temp_label, NULL, 4); - -static const struct attribute *hwmon_cputemp[4][3] = { - { - &sensor_dev_attr_temp1_input.dev_attr.attr, - &sensor_dev_attr_temp1_label.dev_attr.attr, - NULL - }, - { - &sensor_dev_attr_temp2_input.dev_attr.attr, - &sensor_dev_attr_temp2_label.dev_attr.attr, - NULL - }, - { - &sensor_dev_attr_temp3_input.dev_attr.attr, - &sensor_dev_attr_temp3_label.dev_attr.attr, - NULL - }, - { - &sensor_dev_attr_temp4_input.dev_attr.attr, - &sensor_dev_attr_temp4_label.dev_attr.attr, - NULL - } -}; - static ssize_t cpu_temp_label(struct device *dev, struct device_attribute *attr, char *buf) { @@ -121,24 +72,47 @@ static ssize_t get_cpu_temp(struct device *dev, return sprintf(buf, "%d\n", value); } -static int create_sysfs_cputemp_files(struct kobject *kobj) -{ - int i, ret = 0; - - for (i = 0; i < nr_packages; i++) - ret = sysfs_create_files(kobj, hwmon_cputemp[i]); +static SENSOR_DEVICE_ATTR(temp1_input, 0444, get_cpu_temp, NULL, 1); +static SENSOR_DEVICE_ATTR(temp1_label, 0444, cpu_temp_label, NULL, 1); +static SENSOR_DEVICE_ATTR(temp2_input, 0444, get_cpu_temp, NULL, 2); +static SENSOR_DEVICE_ATTR(temp2_label, 0444, cpu_temp_label, NULL, 2); +static SENSOR_DEVICE_ATTR(temp3_input, 0444, get_cpu_temp, NULL, 3); +static SENSOR_DEVICE_ATTR(temp3_label, 0444, cpu_temp_label, NULL, 3); +static SENSOR_DEVICE_ATTR(temp4_input, 0444, get_cpu_temp, NULL, 4); +static SENSOR_DEVICE_ATTR(temp4_label, 0444, cpu_temp_label, NULL, 4); - return ret; -} +static struct attribute *cpu_hwmon_attributes[] = { + &sensor_dev_attr_temp1_input.dev_attr.attr, + &sensor_dev_attr_temp1_label.dev_attr.attr, + &sensor_dev_attr_temp2_input.dev_attr.attr, + &sensor_dev_attr_temp2_label.dev_attr.attr, + &sensor_dev_attr_temp3_input.dev_attr.attr, + &sensor_dev_attr_temp3_label.dev_attr.attr, + &sensor_dev_attr_temp4_input.dev_attr.attr, + &sensor_dev_attr_temp4_label.dev_attr.attr, + NULL +}; -static void remove_sysfs_cputemp_files(struct kobject *kobj) +static umode_t cpu_hwmon_is_visible(struct kobject *kobj, + struct attribute *attr, int i) { - int i; + int id = i / 2; - for (i = 0; i < nr_packages; i++) - sysfs_remove_files(kobj, hwmon_cputemp[i]); + if (id < nr_packages) + return attr->mode; + return 0; } +static struct attribute_group cpu_hwmon_group = { + .attrs = cpu_hwmon_attributes, + .is_visible = cpu_hwmon_is_visible, +}; + +static const struct attribute_group *cpu_hwmon_groups[] = { + &cpu_hwmon_group, + NULL +}; + #define CPU_THERMAL_THRESHOLD 90000 static struct delayed_work thermal_work; @@ -159,50 +133,31 @@ static void do_thermal_timer(struct work_struct *work) static int __init loongson_hwmon_init(void) { - int ret; - pr_info("Loongson Hwmon Enter...\n"); if (cpu_has_csr()) csr_temp_enable = csr_readl(LOONGSON_CSR_FEATURES) & LOONGSON_CSRF_TEMP; - cpu_hwmon_dev = hwmon_device_register_with_info(NULL, "cpu_hwmon", NULL, NULL, NULL); - if (IS_ERR(cpu_hwmon_dev)) { - ret = PTR_ERR(cpu_hwmon_dev); - pr_err("hwmon_device_register fail!\n"); - goto fail_hwmon_device_register; - } - nr_packages = loongson_sysconf.nr_cpus / loongson_sysconf.cores_per_package; - ret = create_sysfs_cputemp_files(&cpu_hwmon_dev->kobj); - if (ret) { - pr_err("fail to create cpu temperature interface!\n"); - goto fail_create_sysfs_cputemp_files; + cpu_hwmon_dev = hwmon_device_register_with_groups(NULL, "cpu_hwmon", + NULL, cpu_hwmon_groups); + if (IS_ERR(cpu_hwmon_dev)) { + pr_err("hwmon_device_register fail!\n"); + return PTR_ERR(cpu_hwmon_dev); } INIT_DEFERRABLE_WORK(&thermal_work, do_thermal_timer); schedule_delayed_work(&thermal_work, msecs_to_jiffies(20000)); - return ret; - -fail_create_sysfs_cputemp_files: - sysfs_remove_group(&cpu_hwmon_dev->kobj, - &cpu_hwmon_attribute_group); - hwmon_device_unregister(cpu_hwmon_dev); - -fail_hwmon_device_register: - return ret; + return 0; } static void __exit loongson_hwmon_exit(void) { cancel_delayed_work_sync(&thermal_work); - remove_sysfs_cputemp_files(&cpu_hwmon_dev->kobj); - sysfs_remove_group(&cpu_hwmon_dev->kobj, - &cpu_hwmon_attribute_group); hwmon_device_unregister(cpu_hwmon_dev); } |