diff options
Diffstat (limited to 'drivers/acpi')
-rw-r--r-- | drivers/acpi/acpi_watchdog.c | 4 | ||||
-rw-r--r-- | drivers/acpi/arm64/iort.c | 111 | ||||
-rw-r--r-- | drivers/acpi/battery.c | 48 | ||||
-rw-r--r-- | drivers/acpi/bus.c | 75 | ||||
-rw-r--r-- | drivers/acpi/ec.c | 6 | ||||
-rw-r--r-- | drivers/acpi/nfit/core.c | 10 | ||||
-rw-r--r-- | drivers/acpi/numa.c | 10 | ||||
-rw-r--r-- | drivers/acpi/property.c | 4 | ||||
-rw-r--r-- | drivers/acpi/spcr.c | 1 |
9 files changed, 176 insertions, 93 deletions
diff --git a/drivers/acpi/acpi_watchdog.c b/drivers/acpi/acpi_watchdog.c index 11b113f8e367..ebb626ffb5fa 100644 --- a/drivers/acpi/acpi_watchdog.c +++ b/drivers/acpi/acpi_watchdog.c @@ -74,10 +74,10 @@ void __init acpi_watchdog_init(void) res.start = gas->address; if (gas->space_id == ACPI_ADR_SPACE_SYSTEM_MEMORY) { res.flags = IORESOURCE_MEM; - res.end = res.start + ALIGN(gas->access_width, 4); + res.end = res.start + ALIGN(gas->access_width, 4) - 1; } else if (gas->space_id == ACPI_ADR_SPACE_SYSTEM_IO) { res.flags = IORESOURCE_IO; - res.end = res.start + gas->access_width; + res.end = res.start + gas->access_width - 1; } else { pr_warn("Unsupported address space: %u\n", gas->space_id); diff --git a/drivers/acpi/arm64/iort.c b/drivers/acpi/arm64/iort.c index 95255ecfae7c..e2f7bddf5522 100644 --- a/drivers/acpi/arm64/iort.c +++ b/drivers/acpi/arm64/iort.c @@ -39,6 +39,7 @@ struct iort_its_msi_chip { struct list_head list; struct fwnode_handle *fw_node; + phys_addr_t base_addr; u32 translation_id; }; @@ -161,14 +162,16 @@ static LIST_HEAD(iort_msi_chip_list); static DEFINE_SPINLOCK(iort_msi_chip_lock); /** - * iort_register_domain_token() - register domain token and related ITS ID - * to the list from where we can get it back later on. + * iort_register_domain_token() - register domain token along with related + * ITS ID and base address to the list from where we can get it back later on. * @trans_id: ITS ID. + * @base: ITS base address. * @fw_node: Domain token. * * Returns: 0 on success, -ENOMEM if no memory when allocating list element */ -int iort_register_domain_token(int trans_id, struct fwnode_handle *fw_node) +int iort_register_domain_token(int trans_id, phys_addr_t base, + struct fwnode_handle *fw_node) { struct iort_its_msi_chip *its_msi_chip; @@ -178,6 +181,7 @@ int iort_register_domain_token(int trans_id, struct fwnode_handle *fw_node) its_msi_chip->fw_node = fw_node; its_msi_chip->translation_id = trans_id; + its_msi_chip->base_addr = base; spin_lock(&iort_msi_chip_lock); list_add(&its_msi_chip->list, &iort_msi_chip_list); @@ -581,6 +585,24 @@ int iort_pmsi_get_dev_id(struct device *dev, u32 *dev_id) return -ENODEV; } +static int __maybe_unused iort_find_its_base(u32 its_id, phys_addr_t *base) +{ + struct iort_its_msi_chip *its_msi_chip; + int ret = -ENODEV; + + spin_lock(&iort_msi_chip_lock); + list_for_each_entry(its_msi_chip, &iort_msi_chip_list, list) { + if (its_msi_chip->translation_id == its_id) { + *base = its_msi_chip->base_addr; + ret = 0; + break; + } + } + spin_unlock(&iort_msi_chip_lock); + + return ret; +} + /** * iort_dev_find_its_id() - Find the ITS identifier for a device * @dev: The device. @@ -766,6 +788,24 @@ static inline bool iort_iommu_driver_enabled(u8 type) } #ifdef CONFIG_IOMMU_API +static struct acpi_iort_node *iort_get_msi_resv_iommu(struct device *dev) +{ + struct acpi_iort_node *iommu; + struct iommu_fwspec *fwspec = dev->iommu_fwspec; + + iommu = iort_get_iort_node(fwspec->iommu_fwnode); + + if (iommu && (iommu->type == ACPI_IORT_NODE_SMMU_V3)) { + struct acpi_iort_smmu_v3 *smmu; + + smmu = (struct acpi_iort_smmu_v3 *)iommu->node_data; + if (smmu->model == ACPI_IORT_SMMU_V3_HISILICON_HI161X) + return iommu; + } + + return NULL; +} + static inline const struct iommu_ops *iort_fwspec_iommu_ops( struct iommu_fwspec *fwspec) { @@ -782,6 +822,69 @@ static inline int iort_add_device_replay(const struct iommu_ops *ops, return err; } + +/** + * iort_iommu_msi_get_resv_regions - Reserved region driver helper + * @dev: Device from iommu_get_resv_regions() + * @head: Reserved region list from iommu_get_resv_regions() + * + * Returns: Number of msi reserved regions on success (0 if platform + * doesn't require the reservation or no associated msi regions), + * appropriate error value otherwise. The ITS interrupt translation + * spaces (ITS_base + SZ_64K, SZ_64K) associated with the device + * are the msi reserved regions. + */ +int iort_iommu_msi_get_resv_regions(struct device *dev, struct list_head *head) +{ + struct acpi_iort_its_group *its; + struct acpi_iort_node *iommu_node, *its_node = NULL; + int i, resv = 0; + + iommu_node = iort_get_msi_resv_iommu(dev); + if (!iommu_node) + return 0; + + /* + * Current logic to reserve ITS regions relies on HW topologies + * where a given PCI or named component maps its IDs to only one + * ITS group; if a PCI or named component can map its IDs to + * different ITS groups through IORT mappings this function has + * to be reworked to ensure we reserve regions for all ITS groups + * a given PCI or named component may map IDs to. + */ + + for (i = 0; i < dev->iommu_fwspec->num_ids; i++) { + its_node = iort_node_map_id(iommu_node, + dev->iommu_fwspec->ids[i], + NULL, IORT_MSI_TYPE); + if (its_node) + break; + } + + if (!its_node) + return 0; + + /* Move to ITS specific data */ + its = (struct acpi_iort_its_group *)its_node->node_data; + + for (i = 0; i < its->its_count; i++) { + phys_addr_t base; + + if (!iort_find_its_base(its->identifiers[i], &base)) { + int prot = IOMMU_WRITE | IOMMU_NOEXEC | IOMMU_MMIO; + struct iommu_resv_region *region; + + region = iommu_alloc_resv_region(base + SZ_64K, SZ_64K, + prot, IOMMU_RESV_MSI); + if (region) { + list_add_tail(®ion->list, head); + resv++; + } + } + } + + return (resv == its->its_count) ? resv : -ENODEV; +} #else static inline const struct iommu_ops *iort_fwspec_iommu_ops( struct iommu_fwspec *fwspec) @@ -789,6 +892,8 @@ static inline const struct iommu_ops *iort_fwspec_iommu_ops( static inline int iort_add_device_replay(const struct iommu_ops *ops, struct device *dev) { return 0; } +int iort_iommu_msi_get_resv_regions(struct device *dev, struct list_head *head) +{ return 0; } #endif static int iort_iommu_xlate(struct device *dev, struct acpi_iort_node *node, diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c index 7128488a3a72..f2eb6c37ea0a 100644 --- a/drivers/acpi/battery.c +++ b/drivers/acpi/battery.c @@ -70,7 +70,6 @@ static async_cookie_t async_cookie; static bool battery_driver_registered; static int battery_bix_broken_package; static int battery_notification_delay_ms; -static int battery_full_discharging; static unsigned int cache_time = 1000; module_param(cache_time, uint, 0644); MODULE_PARM_DESC(cache_time, "cache time in milliseconds"); @@ -215,12 +214,9 @@ static int acpi_battery_get_property(struct power_supply *psy, return -ENODEV; switch (psp) { case POWER_SUPPLY_PROP_STATUS: - if (battery->state & ACPI_BATTERY_STATE_DISCHARGING) { - if (battery_full_discharging && battery->rate_now == 0) - val->intval = POWER_SUPPLY_STATUS_FULL; - else - val->intval = POWER_SUPPLY_STATUS_DISCHARGING; - } else if (battery->state & ACPI_BATTERY_STATE_CHARGING) + if (battery->state & ACPI_BATTERY_STATE_DISCHARGING) + val->intval = POWER_SUPPLY_STATUS_DISCHARGING; + else if (battery->state & ACPI_BATTERY_STATE_CHARGING) val->intval = POWER_SUPPLY_STATUS_CHARGING; else if (acpi_battery_is_charged(battery)) val->intval = POWER_SUPPLY_STATUS_FULL; @@ -1170,12 +1166,6 @@ battery_notification_delay_quirk(const struct dmi_system_id *d) return 0; } -static int __init battery_full_discharging_quirk(const struct dmi_system_id *d) -{ - battery_full_discharging = 1; - return 0; -} - static const struct dmi_system_id bat_dmi_table[] __initconst = { { .callback = battery_bix_broken_package_quirk, @@ -1193,38 +1183,6 @@ static const struct dmi_system_id bat_dmi_table[] __initconst = { DMI_MATCH(DMI_PRODUCT_NAME, "Aspire V5-573G"), }, }, - { - .callback = battery_full_discharging_quirk, - .ident = "ASUS GL502VSK", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."), - DMI_MATCH(DMI_PRODUCT_NAME, "GL502VSK"), - }, - }, - { - .callback = battery_full_discharging_quirk, - .ident = "ASUS UX305LA", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."), - DMI_MATCH(DMI_PRODUCT_NAME, "UX305LA"), - }, - }, - { - .callback = battery_full_discharging_quirk, - .ident = "ASUS UX360UA", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."), - DMI_MATCH(DMI_PRODUCT_NAME, "UX360UA"), - }, - }, - { - .callback = battery_full_discharging_quirk, - .ident = "ASUS UX410UAK", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."), - DMI_MATCH(DMI_PRODUCT_NAME, "UX410UAK"), - }, - }, {}, }; diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c index 676c9788e1c8..0dad0bd9327b 100644 --- a/drivers/acpi/bus.c +++ b/drivers/acpi/bus.c @@ -660,13 +660,15 @@ struct acpi_device *acpi_companion_match(const struct device *dev) * acpi_of_match_device - Match device object using the "compatible" property. * @adev: ACPI device object to match. * @of_match_table: List of device IDs to match against. + * @of_id: OF ID if matched * * If @dev has an ACPI companion which has ACPI_DT_NAMESPACE_HID in its list of * identifiers and a _DSD object with the "compatible" property, use that * property to match against the given list of identifiers. */ static bool acpi_of_match_device(struct acpi_device *adev, - const struct of_device_id *of_match_table) + const struct of_device_id *of_match_table, + const struct of_device_id **of_id) { const union acpi_object *of_compatible, *obj; int i, nval; @@ -690,8 +692,11 @@ static bool acpi_of_match_device(struct acpi_device *adev, const struct of_device_id *id; for (id = of_match_table; id->compatible[0]; id++) - if (!strcasecmp(obj->string.pointer, id->compatible)) + if (!strcasecmp(obj->string.pointer, id->compatible)) { + if (of_id) + *of_id = id; return true; + } } return false; @@ -762,10 +767,11 @@ static bool __acpi_match_device_cls(const struct acpi_device_id *id, return true; } -static const struct acpi_device_id *__acpi_match_device( - struct acpi_device *device, - const struct acpi_device_id *ids, - const struct of_device_id *of_ids) +static bool __acpi_match_device(struct acpi_device *device, + const struct acpi_device_id *acpi_ids, + const struct of_device_id *of_ids, + const struct acpi_device_id **acpi_id, + const struct of_device_id **of_id) { const struct acpi_device_id *id; struct acpi_hardware_id *hwid; @@ -775,30 +781,32 @@ static const struct acpi_device_id *__acpi_match_device( * driver for it. */ if (!device || !device->status.present) - return NULL; + return false; list_for_each_entry(hwid, &device->pnp.ids, list) { /* First, check the ACPI/PNP IDs provided by the caller. */ - for (id = ids; id->id[0] || id->cls; id++) { - if (id->id[0] && !strcmp((char *) id->id, hwid->id)) - return id; - else if (id->cls && __acpi_match_device_cls(id, hwid)) - return id; + if (acpi_ids) { + for (id = acpi_ids; id->id[0] || id->cls; id++) { + if (id->id[0] && !strcmp((char *)id->id, hwid->id)) + goto out_acpi_match; + if (id->cls && __acpi_match_device_cls(id, hwid)) + goto out_acpi_match; + } } /* * Next, check ACPI_DT_NAMESPACE_HID and try to match the * "compatible" property if found. - * - * The id returned by the below is not valid, but the only - * caller passing non-NULL of_ids here is only interested in - * whether or not the return value is NULL. */ - if (!strcmp(ACPI_DT_NAMESPACE_HID, hwid->id) - && acpi_of_match_device(device, of_ids)) - return id; + if (!strcmp(ACPI_DT_NAMESPACE_HID, hwid->id)) + return acpi_of_match_device(device, of_ids, of_id); } - return NULL; + return false; + +out_acpi_match: + if (acpi_id) + *acpi_id = id; + return true; } /** @@ -815,32 +823,29 @@ static const struct acpi_device_id *__acpi_match_device( const struct acpi_device_id *acpi_match_device(const struct acpi_device_id *ids, const struct device *dev) { - return __acpi_match_device(acpi_companion_match(dev), ids, NULL); + const struct acpi_device_id *id = NULL; + + __acpi_match_device(acpi_companion_match(dev), ids, NULL, &id, NULL); + return id; } EXPORT_SYMBOL_GPL(acpi_match_device); -void *acpi_get_match_data(const struct device *dev) +const void *acpi_device_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; + return (const void *)match->driver_data; } -EXPORT_SYMBOL_GPL(acpi_get_match_data); +EXPORT_SYMBOL_GPL(acpi_device_get_match_data); int acpi_match_device_ids(struct acpi_device *device, const struct acpi_device_id *ids) { - return __acpi_match_device(device, ids, NULL) ? 0 : -ENOENT; + return __acpi_match_device(device, ids, NULL, NULL, NULL) ? 0 : -ENOENT; } EXPORT_SYMBOL(acpi_match_device_ids); @@ -849,10 +854,12 @@ bool acpi_driver_match_device(struct device *dev, { if (!drv->acpi_match_table) return acpi_of_match_device(ACPI_COMPANION(dev), - drv->of_match_table); + drv->of_match_table, + NULL); - return !!__acpi_match_device(acpi_companion_match(dev), - drv->acpi_match_table, drv->of_match_table); + return __acpi_match_device(acpi_companion_match(dev), + drv->acpi_match_table, drv->of_match_table, + NULL, NULL); } EXPORT_SYMBOL_GPL(acpi_driver_match_device); diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c index d9f38c645e4a..30a572956557 100644 --- a/drivers/acpi/ec.c +++ b/drivers/acpi/ec.c @@ -1927,6 +1927,9 @@ static int acpi_ec_suspend_noirq(struct device *dev) ec->reference_count >= 1) acpi_set_gpe(NULL, ec->gpe, ACPI_GPE_DISABLE); + if (acpi_sleep_no_ec_events()) + acpi_ec_enter_noirq(ec); + return 0; } @@ -1934,6 +1937,9 @@ static int acpi_ec_resume_noirq(struct device *dev) { struct acpi_ec *ec = acpi_driver_data(to_acpi_device(dev)); + if (acpi_sleep_no_ec_events()) + acpi_ec_leave_noirq(ec); + if (ec_no_wakeup && test_bit(EC_FLAGS_STARTED, &ec->flags) && ec->reference_count >= 1) acpi_set_gpe(NULL, ec->gpe, ACPI_GPE_ENABLE); diff --git a/drivers/acpi/nfit/core.c b/drivers/acpi/nfit/core.c index bbe48ad20886..eb09ef55c38a 100644 --- a/drivers/acpi/nfit/core.c +++ b/drivers/acpi/nfit/core.c @@ -2675,10 +2675,14 @@ 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) + /* + * Persistence domain bits are hierarchical, if + * ACPI_NFIT_CAPABILITY_CACHE_FLUSH is set then + * ACPI_NFIT_CAPABILITY_MEM_FLUSH is implied. + */ + 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) + else 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) { diff --git a/drivers/acpi/numa.c b/drivers/acpi/numa.c index 8ccaae3550d2..85167603b9c9 100644 --- a/drivers/acpi/numa.c +++ b/drivers/acpi/numa.c @@ -103,25 +103,27 @@ int acpi_map_pxm_to_node(int pxm) */ int acpi_map_pxm_to_online_node(int pxm) { - int node, n, dist, min_dist; + int node, min_node; node = acpi_map_pxm_to_node(pxm); if (node == NUMA_NO_NODE) node = 0; + min_node = node; if (!node_online(node)) { - min_dist = INT_MAX; + int min_dist = INT_MAX, dist, n; + for_each_online_node(n) { dist = node_distance(node, n); if (dist < min_dist) { min_dist = dist; - node = n; + min_node = n; } } } - return node; + return min_node; } EXPORT_SYMBOL(acpi_map_pxm_to_online_node); diff --git a/drivers/acpi/property.c b/drivers/acpi/property.c index 466d1503aba0..5815356ea6ad 100644 --- a/drivers/acpi/property.c +++ b/drivers/acpi/property.c @@ -1271,11 +1271,11 @@ static int acpi_fwnode_graph_parse_endpoint(const struct fwnode_handle *fwnode, return 0; } -static void * +static const void * acpi_fwnode_device_get_match_data(const struct fwnode_handle *fwnode, const struct device *dev) { - return acpi_get_match_data(dev); + return acpi_device_get_match_data(dev); } #define DECLARE_ACPI_FWNODE_OPS(ops) \ diff --git a/drivers/acpi/spcr.c b/drivers/acpi/spcr.c index 89e97d21a89c..9d52743080a4 100644 --- a/drivers/acpi/spcr.c +++ b/drivers/acpi/spcr.c @@ -115,6 +115,7 @@ int __init acpi_parse_spcr(bool enable_earlycon, bool enable_console) table->serial_port.access_width))) { default: pr_err("Unexpected SPCR Access Width. Defaulting to byte size\n"); + /* fall through */ case 8: iotype = "mmio"; break; |