diff options
Diffstat (limited to 'drivers/acpi')
| -rw-r--r-- | drivers/acpi/Kconfig | 32 | ||||
| -rw-r--r-- | drivers/acpi/acpi_dbg.c | 4 | ||||
| -rw-r--r-- | drivers/acpi/acpi_lpit.c | 1 | ||||
| -rw-r--r-- | drivers/acpi/apei/ghes.c | 2 | ||||
| -rw-r--r-- | drivers/acpi/bus.c | 18 | ||||
| -rw-r--r-- | drivers/acpi/device_sysfs.c | 6 | ||||
| -rw-r--r-- | drivers/acpi/nfit/core.c | 26 | ||||
| -rw-r--r-- | drivers/acpi/nfit/nfit.h | 1 | ||||
| -rw-r--r-- | drivers/acpi/processor_idle.c | 1 | ||||
| -rw-r--r-- | drivers/acpi/property.c | 8 |
10 files changed, 77 insertions, 22 deletions
diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig index ddcb5f40e8ee..f505e9a01b2d 100644 --- a/drivers/acpi/Kconfig +++ b/drivers/acpi/Kconfig @@ -366,22 +366,6 @@ config ACPI_PCI_SLOT i.e., segment/bus/device/function tuples, with physical slots in the system. If you are unsure, say N. -config X86_PM_TIMER - bool "Power Management Timer Support" if EXPERT - depends on X86 - default y - help - The Power Management Timer is available on all ACPI-capable, - in most cases even if ACPI is unusable or blacklisted. - - This timing source is not affected by power management features - like aggressive processor idling, throttling, frequency and/or - voltage scaling, unlike the commonly used Time Stamp Counter - (TSC) timing source. - - You should nearly always say Y here because many modern - systems require this timer. - config ACPI_CONTAINER bool "Container and Module Devices" default (ACPI_HOTPLUG_MEMORY || ACPI_HOTPLUG_CPU) @@ -569,3 +553,19 @@ config TPS68470_PMIC_OPREGION using this, are probed. endif # ACPI + +config X86_PM_TIMER + bool "Power Management Timer Support" if EXPERT + depends on X86 && (ACPI || JAILHOUSE_GUEST) + default y + help + The Power Management Timer is available on all ACPI-capable, + in most cases even if ACPI is unusable or blacklisted. + + This timing source is not affected by power management features + like aggressive processor idling, throttling, frequency and/or + voltage scaling, unlike the commonly used Time Stamp Counter + (TSC) timing source. + + You should nearly always say Y here because many modern + systems require this timer. diff --git a/drivers/acpi/acpi_dbg.c b/drivers/acpi/acpi_dbg.c index 3ec05aa1a903..2ff5c8c04e3b 100644 --- a/drivers/acpi/acpi_dbg.c +++ b/drivers/acpi/acpi_dbg.c @@ -718,9 +718,9 @@ again: return size > 0 ? size : ret; } -static unsigned int acpi_aml_poll(struct file *file, poll_table *wait) +static __poll_t acpi_aml_poll(struct file *file, poll_table *wait) { - int masks = 0; + __poll_t masks = 0; poll_wait(file, &acpi_aml_io.wait, wait); if (acpi_aml_user_readable()) diff --git a/drivers/acpi/acpi_lpit.c b/drivers/acpi/acpi_lpit.c index e94e478dd18b..cf4fc0161164 100644 --- a/drivers/acpi/acpi_lpit.c +++ b/drivers/acpi/acpi_lpit.c @@ -100,6 +100,7 @@ int lpit_read_residency_count_address(u64 *address) return 0; } +EXPORT_SYMBOL_GPL(lpit_read_residency_count_address); static void lpit_update_residency(struct lpit_residency_info *info, struct acpi_lpit_native *lpit_native) diff --git a/drivers/acpi/apei/ghes.c b/drivers/acpi/apei/ghes.c index 16c4a10b7506..1efefe919555 100644 --- a/drivers/acpi/apei/ghes.c +++ b/drivers/acpi/apei/ghes.c @@ -410,7 +410,7 @@ static void ghes_handle_memory_failure(struct acpi_hest_generic_data *gdata, int flags = 0; if (flags != -1) - memory_failure_queue(pfn, 0, flags); + memory_failure_queue(pfn, flags); #endif } diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c index 5c00e5e18da8..676c9788e1c8 100644 --- a/drivers/acpi/bus.c +++ b/drivers/acpi/bus.c @@ -819,6 +819,24 @@ const struct acpi_device_id *acpi_match_device(const struct acpi_device_id *ids, } EXPORT_SYMBOL_GPL(acpi_match_device); +void *acpi_get_match_data(const struct device *dev) +{ + const struct acpi_device_id *match; + + if (!dev->driver) + return NULL; + + if (!dev->driver->acpi_match_table) + return NULL; + + match = acpi_match_device(dev->driver->acpi_match_table, dev); + if (!match) + return NULL; + + return (void *)match->driver_data; +} +EXPORT_SYMBOL_GPL(acpi_get_match_data); + int acpi_match_device_ids(struct acpi_device *device, const struct acpi_device_id *ids) { diff --git a/drivers/acpi/device_sysfs.c b/drivers/acpi/device_sysfs.c index a041689e5701..545e91420cde 100644 --- a/drivers/acpi/device_sysfs.c +++ b/drivers/acpi/device_sysfs.c @@ -357,7 +357,7 @@ static ssize_t real_power_state_show(struct device *dev, return sprintf(buf, "%s\n", acpi_power_state_string(state)); } -static DEVICE_ATTR(real_power_state, 0444, real_power_state_show, NULL); +static DEVICE_ATTR_RO(real_power_state); static ssize_t power_state_show(struct device *dev, struct device_attribute *attr, char *buf) @@ -367,7 +367,7 @@ static ssize_t power_state_show(struct device *dev, return sprintf(buf, "%s\n", acpi_power_state_string(adev->power.state)); } -static DEVICE_ATTR(power_state, 0444, power_state_show, NULL); +static DEVICE_ATTR_RO(power_state); static ssize_t acpi_eject_store(struct device *d, struct device_attribute *attr, @@ -462,7 +462,7 @@ static ssize_t description_show(struct device *dev, return result; } -static DEVICE_ATTR(description, 0444, description_show, NULL); +static DEVICE_ATTR_RO(description); static ssize_t acpi_device_sun_show(struct device *dev, struct device_attribute *attr, diff --git a/drivers/acpi/nfit/core.c b/drivers/acpi/nfit/core.c index abeb4df4f22e..bbe48ad20886 100644 --- a/drivers/acpi/nfit/core.c +++ b/drivers/acpi/nfit/core.c @@ -838,6 +838,18 @@ static bool add_flush(struct acpi_nfit_desc *acpi_desc, return true; } +static bool add_platform_cap(struct acpi_nfit_desc *acpi_desc, + struct acpi_nfit_capabilities *pcap) +{ + struct device *dev = acpi_desc->dev; + u32 mask; + + mask = (1 << (pcap->highest_capability + 1)) - 1; + acpi_desc->platform_cap = pcap->capabilities & mask; + dev_dbg(dev, "%s: cap: %#x\n", __func__, acpi_desc->platform_cap); + return true; +} + static void *add_table(struct acpi_nfit_desc *acpi_desc, struct nfit_table_prev *prev, void *table, const void *end) { @@ -883,6 +895,10 @@ static void *add_table(struct acpi_nfit_desc *acpi_desc, case ACPI_NFIT_TYPE_SMBIOS: dev_dbg(dev, "%s: smbios\n", __func__); break; + case ACPI_NFIT_TYPE_CAPABILITIES: + if (!add_platform_cap(acpi_desc, table)) + return err; + break; default: dev_err(dev, "unknown table '%d' parsing nfit\n", hdr->type); break; @@ -1867,6 +1883,9 @@ static int acpi_nfit_register_dimms(struct acpi_nfit_desc *acpi_desc) struct kernfs_node *nfit_kernfs; nvdimm = nfit_mem->nvdimm; + if (!nvdimm) + continue; + nfit_kernfs = sysfs_get_dirent(nvdimm_kobj(nvdimm)->sd, "nfit"); if (nfit_kernfs) nfit_mem->flags_attr = sysfs_get_dirent(nfit_kernfs, @@ -2656,6 +2675,12 @@ static int acpi_nfit_register_region(struct acpi_nfit_desc *acpi_desc, else ndr_desc->numa_node = NUMA_NO_NODE; + if(acpi_desc->platform_cap & ACPI_NFIT_CAPABILITY_CACHE_FLUSH) + set_bit(ND_REGION_PERSIST_CACHE, &ndr_desc->flags); + + if (acpi_desc->platform_cap & ACPI_NFIT_CAPABILITY_MEM_FLUSH) + set_bit(ND_REGION_PERSIST_MEMCTRL, &ndr_desc->flags); + list_for_each_entry(nfit_memdev, &acpi_desc->memdevs, list) { struct acpi_nfit_memory_map *memdev = nfit_memdev->memdev; struct nd_mapping_desc *mapping; @@ -3464,6 +3489,7 @@ static __init int nfit_init(void) BUILD_BUG_ON(sizeof(struct acpi_nfit_smbios) != 9); BUILD_BUG_ON(sizeof(struct acpi_nfit_control_region) != 80); BUILD_BUG_ON(sizeof(struct acpi_nfit_data_region) != 40); + BUILD_BUG_ON(sizeof(struct acpi_nfit_capabilities) != 16); guid_parse(UUID_VOLATILE_MEMORY, &nfit_uuid[NFIT_SPA_VOLATILE]); guid_parse(UUID_PERSISTENT_MEMORY, &nfit_uuid[NFIT_SPA_PM]); diff --git a/drivers/acpi/nfit/nfit.h b/drivers/acpi/nfit/nfit.h index f0cf18b2da8b..50d36e166d70 100644 --- a/drivers/acpi/nfit/nfit.h +++ b/drivers/acpi/nfit/nfit.h @@ -202,6 +202,7 @@ struct acpi_nfit_desc { unsigned long dimm_cmd_force_en; unsigned long bus_cmd_force_en; unsigned long bus_nfit_cmd_force_en; + unsigned int platform_cap; int (*blk_do_io)(struct nd_blk_region *ndbr, resource_size_t dpa, void *iobuf, u64 len, int rw); }; diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c index 226dc5665d81..abb559cd28d7 100644 --- a/drivers/acpi/processor_idle.c +++ b/drivers/acpi/processor_idle.c @@ -207,6 +207,7 @@ static void tsc_check_state(int state) switch (boot_cpu_data.x86_vendor) { case X86_VENDOR_AMD: case X86_VENDOR_INTEL: + case X86_VENDOR_CENTAUR: /* * AMD Fam10h TSC will tick in all * C/P/S0/S1 states when this bit is set. diff --git a/drivers/acpi/property.c b/drivers/acpi/property.c index e26ea209b63e..466d1503aba0 100644 --- a/drivers/acpi/property.c +++ b/drivers/acpi/property.c @@ -1271,9 +1271,17 @@ static int acpi_fwnode_graph_parse_endpoint(const struct fwnode_handle *fwnode, return 0; } +static void * +acpi_fwnode_device_get_match_data(const struct fwnode_handle *fwnode, + const struct device *dev) +{ + return acpi_get_match_data(dev); +} + #define DECLARE_ACPI_FWNODE_OPS(ops) \ const struct fwnode_operations ops = { \ .device_is_available = acpi_fwnode_device_is_available, \ + .device_get_match_data = acpi_fwnode_device_get_match_data, \ .property_present = acpi_fwnode_property_present, \ .property_read_int_array = \ acpi_fwnode_property_read_int_array, \ |
