diff options
Diffstat (limited to 'drivers/acpi')
| -rw-r--r-- | drivers/acpi/acpi_ipmi.c | 4 | ||||
| -rw-r--r-- | drivers/acpi/acpi_pad.c | 6 | ||||
| -rw-r--r-- | drivers/acpi/acpi_tad.c | 2 | ||||
| -rw-r--r-- | drivers/acpi/acpica/acutils.h | 2 | ||||
| -rw-r--r-- | drivers/acpi/acpica/utnonansi.c | 7 | ||||
| -rw-r--r-- | drivers/acpi/button.c | 26 | ||||
| -rw-r--r-- | drivers/acpi/processor_idle.c | 13 | ||||
| -rw-r--r-- | drivers/acpi/resource.c | 6 | ||||
| -rw-r--r-- | drivers/acpi/riscv/cpuidle.c | 2 | ||||
| -rw-r--r-- | drivers/acpi/riscv/rimt.c | 7 |
10 files changed, 49 insertions, 26 deletions
diff --git a/drivers/acpi/acpi_ipmi.c b/drivers/acpi/acpi_ipmi.c index 8f1aeae8b72e..2dbed92d54b3 100644 --- a/drivers/acpi/acpi_ipmi.c +++ b/drivers/acpi/acpi_ipmi.c @@ -490,7 +490,7 @@ static void ipmi_bmc_gone(int iface) mutex_lock(&driver_data.ipmi_lock); list_for_each_entry_safe(iter, temp, &driver_data.ipmi_devices, head) { - if (iter->ipmi_ifnum != iface) { + if (iter->ipmi_ifnum == iface) { ipmi_device = iter; __ipmi_dev_kill(iter); break; @@ -550,7 +550,6 @@ acpi_ipmi_space_handler(u32 function, acpi_physical_address address, return AE_TYPE; } - acpi_ipmi_msg_get(tx_msg); mutex_lock(&driver_data.ipmi_lock); /* Do not add a tx_msg that can not be flushed. */ if (ipmi_device->dead) { @@ -558,6 +557,7 @@ acpi_ipmi_space_handler(u32 function, acpi_physical_address address, ipmi_msg_release(tx_msg); return AE_NOT_EXIST; } + acpi_ipmi_msg_get(tx_msg); spin_lock_irqsave(&ipmi_device->tx_msg_lock, flags); list_add_tail(&tx_msg->head, &ipmi_device->tx_msg_list); spin_unlock_irqrestore(&ipmi_device->tx_msg_lock, flags); diff --git a/drivers/acpi/acpi_pad.c b/drivers/acpi/acpi_pad.c index ec94b09bb747..bff702835cfe 100644 --- a/drivers/acpi/acpi_pad.c +++ b/drivers/acpi/acpi_pad.c @@ -435,12 +435,12 @@ static int acpi_pad_probe(struct platform_device *pdev) static void acpi_pad_remove(struct platform_device *pdev) { + acpi_dev_remove_notify_handler(ACPI_COMPANION(&pdev->dev), + ACPI_DEVICE_NOTIFY, acpi_pad_notify); + mutex_lock(&isolated_cpus_lock); acpi_pad_idle_cpus(0); mutex_unlock(&isolated_cpus_lock); - - acpi_dev_remove_notify_handler(ACPI_COMPANION(&pdev->dev), - ACPI_DEVICE_NOTIFY, acpi_pad_notify); } static const struct acpi_device_id pad_device_ids[] = { diff --git a/drivers/acpi/acpi_tad.c b/drivers/acpi/acpi_tad.c index 386fc1abcbdc..fc43df083738 100644 --- a/drivers/acpi/acpi_tad.c +++ b/drivers/acpi/acpi_tad.c @@ -856,7 +856,7 @@ static int acpi_tad_probe(struct platform_device *pdev) * runtime suspend. Everything else should be taken care of by the ACPI * PM domain callbacks. */ - if (ACPI_TAD_AC_WAKE) { + if (caps & ACPI_TAD_AC_WAKE) { device_init_wakeup(dev, true); dev_pm_set_driver_flags(dev, DPM_FLAG_SMART_SUSPEND | DPM_FLAG_MAY_SKIP_RESUME); diff --git a/drivers/acpi/acpica/acutils.h b/drivers/acpi/acpica/acutils.h index 3990d509bbab..394ad8d92ff9 100644 --- a/drivers/acpi/acpica/acutils.h +++ b/drivers/acpi/acpica/acutils.h @@ -626,8 +626,6 @@ void acpi_ut_repair_name(char *name); #if defined (ACPI_DEBUGGER) || defined (ACPI_APPLICATION) || defined (ACPI_DEBUG_OUTPUT) u8 acpi_ut_safe_strcpy(char *dest, acpi_size dest_size, char *source); -void acpi_ut_safe_strncpy(char *dest, char *source, acpi_size dest_size); - u8 acpi_ut_safe_strcat(char *dest, acpi_size dest_size, char *source); u8 diff --git a/drivers/acpi/acpica/utnonansi.c b/drivers/acpi/acpica/utnonansi.c index 3a7952be6545..a465e5a1d309 100644 --- a/drivers/acpi/acpica/utnonansi.c +++ b/drivers/acpi/acpica/utnonansi.c @@ -164,11 +164,4 @@ acpi_ut_safe_strncat(char *dest, return (FALSE); } -void acpi_ut_safe_strncpy(char *dest, char *source, acpi_size dest_size) -{ - /* Always terminate destination string */ - - strscpy_pad(dest, source, dest_size); -} - #endif diff --git a/drivers/acpi/button.c b/drivers/acpi/button.c index d80276368b81..5df470eea754 100644 --- a/drivers/acpi/button.c +++ b/drivers/acpi/button.c @@ -182,7 +182,6 @@ struct acpi_button { bool gpe_enabled; }; -static struct acpi_device *lid_device; static long lid_init_state = -1; static unsigned long lid_report_interval __read_mostly = 500; @@ -378,9 +377,29 @@ static int acpi_button_remove_fs(struct acpi_button *button) return 0; } +static struct acpi_device *lid_device; +static DEFINE_MUTEX(acpi_lid_lock); + +static void acpi_lid_save(struct acpi_device *adev) +{ + guard(mutex)(&acpi_lid_lock); + + lid_device = adev; +} + +static void acpi_lid_forget(struct acpi_device *adev) +{ + guard(mutex)(&acpi_lid_lock); + + if (lid_device == adev) + lid_device = NULL; +} + /* Driver Interface */ int acpi_lid_open(void) { + guard(mutex)(&acpi_lid_lock); + if (!lid_device) return -ENODEV; @@ -674,7 +693,7 @@ static int acpi_button_probe(struct platform_device *pdev) * This assumes there's only one lid device, or if there are * more we only care about the last one... */ - lid_device = device; + acpi_lid_save(device); } pr_info("%s [%s]\n", name, acpi_device_bid(device)); @@ -696,6 +715,9 @@ static void acpi_button_remove(struct platform_device *pdev) struct acpi_button *button = platform_get_drvdata(pdev); struct acpi_device *adev = button->adev; + if (button->type == ACPI_BUTTON_TYPE_LID) + acpi_lid_forget(adev); + switch (adev->device_type) { case ACPI_BUS_TYPE_POWER_BUTTON: acpi_remove_fixed_event_handler(ACPI_EVENT_POWER_BUTTON, diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c index ee5facccbe10..4482cf28f56a 100644 --- a/drivers/acpi/processor_idle.c +++ b/drivers/acpi/processor_idle.c @@ -1143,7 +1143,7 @@ static int acpi_processor_get_lpi_info(struct acpi_processor *pr) return 0; } -int __weak acpi_processor_ffh_lpi_enter(struct acpi_lpi_state *lpi) +int __weak __cpuidle acpi_processor_ffh_lpi_enter(struct acpi_lpi_state *lpi) { return -ENODEV; } @@ -1156,7 +1156,7 @@ int __weak acpi_processor_ffh_lpi_enter(struct acpi_lpi_state *lpi) * * Return: 0 for success or negative value for error */ -static int acpi_idle_lpi_enter(struct cpuidle_device *dev, +static int __cpuidle acpi_idle_lpi_enter(struct cpuidle_device *dev, struct cpuidle_driver *drv, int index) { struct acpi_processor *pr; @@ -1355,6 +1355,15 @@ void acpi_processor_register_idle_driver(void) int ret = -ENODEV; int cpu; + /* + * If a cpuidle driver is already registered, there is no need to + * evaluate _CST or attempt to register the ACPI idle driver. + */ + if (cpuidle_get_driver()) { + pr_debug("cpuidle driver %pS already registered.\n", cpuidle_get_driver()); + return; + } + acpi_processor_update_max_cstate(); /* diff --git a/drivers/acpi/resource.c b/drivers/acpi/resource.c index bc8050d8a6f5..56df4599d360 100644 --- a/drivers/acpi/resource.c +++ b/drivers/acpi/resource.c @@ -871,7 +871,7 @@ bool acpi_dev_resource_interrupt(struct acpi_resource *ares, int index, EXPORT_SYMBOL_GPL(acpi_dev_resource_interrupt); /** - * acpi_dev_free_resource_list - Free resource from %acpi_dev_get_resources(). + * acpi_dev_free_resource_list - Free resource from acpi_dev_get_resources(). * @list: The head of the resource list to free. */ void acpi_dev_free_resource_list(struct list_head *list) @@ -991,7 +991,7 @@ static int __acpi_dev_get_resources(struct acpi_device *adev, * * The resultant struct resource objects are put on the list pointed to by * @list, that must be empty initially, as members of struct resource_entry - * objects. Callers of this routine should use %acpi_dev_free_resource_list() to + * objects. Callers of this routine should use acpi_dev_free_resource_list() to * free that list. * * The number of resources in the output list is returned on success, an error @@ -1032,7 +1032,7 @@ static int is_memory(struct acpi_resource *ares, void *not_used) * The resultant struct resource objects are put on the list pointed to * by @list, that must be empty initially, as members of struct * resource_entry objects. Callers of this routine should use - * %acpi_dev_free_resource_list() to free that list. + * acpi_dev_free_resource_list() to free that list. * * The number of resources in the output list is returned on success, * an error code reflecting the error condition is returned otherwise. diff --git a/drivers/acpi/riscv/cpuidle.c b/drivers/acpi/riscv/cpuidle.c index 624f9bbdb58c..c76dbabff702 100644 --- a/drivers/acpi/riscv/cpuidle.c +++ b/drivers/acpi/riscv/cpuidle.c @@ -66,7 +66,7 @@ int acpi_processor_ffh_lpi_probe(unsigned int cpu) return acpi_cpu_init_idle(cpu); } -int acpi_processor_ffh_lpi_enter(struct acpi_lpi_state *lpi) +int __cpuidle acpi_processor_ffh_lpi_enter(struct acpi_lpi_state *lpi) { u32 state = lpi->address; diff --git a/drivers/acpi/riscv/rimt.c b/drivers/acpi/riscv/rimt.c index 906282b0e63c..e4538fa6c2c8 100644 --- a/drivers/acpi/riscv/rimt.c +++ b/drivers/acpi/riscv/rimt.c @@ -9,6 +9,7 @@ #include <linux/acpi.h> #include <linux/acpi_rimt.h> +#include <linux/device/driver.h> #include <linux/iommu.h> #include <linux/list.h> #include <linux/pci.h> @@ -257,11 +258,11 @@ static int rimt_iommu_xlate(struct device *dev, struct acpi_rimt_node *node, u32 rimt_fwnode = rimt_get_fwnode(node); /* - * The IOMMU drivers may not be probed yet. - * Defer the IOMMU configuration + * The IOMMU drivers may not be probed yet. Defer the IOMMU + * configuration if it's still in initialization stage. */ if (!rimt_fwnode) - return -EPROBE_DEFER; + return driver_deferred_probe_check_state(dev); /* * EPROBE_DEFER ensures IOMMU is probed before the devices that |