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-rw-r--r--arch/arm64/include/asm/acpi.h3
-rw-r--r--arch/arm64/kernel/acpi.c19
-rw-r--r--drivers/acpi/button.c11
-rw-r--r--drivers/acpi/osl.c23
-rw-r--r--drivers/acpi/power.c38
-rw-r--r--include/acpi/acpi_io.h8
6 files changed, 77 insertions, 25 deletions
diff --git a/arch/arm64/include/asm/acpi.h b/arch/arm64/include/asm/acpi.h
index bd68e1b7f29f..7535dc7cc5aa 100644
--- a/arch/arm64/include/asm/acpi.h
+++ b/arch/arm64/include/asm/acpi.h
@@ -50,6 +50,9 @@ pgprot_t __acpi_get_mem_attribute(phys_addr_t addr);
void __iomem *acpi_os_ioremap(acpi_physical_address phys, acpi_size size);
#define acpi_os_ioremap acpi_os_ioremap
+void __iomem *acpi_os_memmap(acpi_physical_address phys, acpi_size size);
+#define acpi_os_memmap acpi_os_memmap
+
typedef u64 phys_cpuid_t;
#define PHYS_CPUID_INVALID INVALID_HWID
diff --git a/arch/arm64/kernel/acpi.c b/arch/arm64/kernel/acpi.c
index f3851724fe35..1c9c2f7a1c04 100644
--- a/arch/arm64/kernel/acpi.c
+++ b/arch/arm64/kernel/acpi.c
@@ -273,7 +273,8 @@ pgprot_t __acpi_get_mem_attribute(phys_addr_t addr)
return __pgprot(PROT_DEVICE_nGnRnE);
}
-void __iomem *acpi_os_ioremap(acpi_physical_address phys, acpi_size size)
+static void __iomem *__acpi_os_ioremap(acpi_physical_address phys,
+ acpi_size size, bool memory)
{
efi_memory_desc_t *md, *region = NULL;
pgprot_t prot;
@@ -299,9 +300,11 @@ void __iomem *acpi_os_ioremap(acpi_physical_address phys, acpi_size size)
* It is fine for AML to remap regions that are not represented in the
* EFI memory map at all, as it only describes normal memory, and MMIO
* regions that require a virtual mapping to make them accessible to
- * the EFI runtime services.
+ * the EFI runtime services. Determine the region default
+ * attributes by checking the requested memory semantics.
*/
- prot = __pgprot(PROT_DEVICE_nGnRnE);
+ prot = memory ? __pgprot(PROT_NORMAL_NC) :
+ __pgprot(PROT_DEVICE_nGnRnE);
if (region) {
switch (region->type) {
case EFI_LOADER_CODE:
@@ -361,6 +364,16 @@ void __iomem *acpi_os_ioremap(acpi_physical_address phys, acpi_size size)
return __ioremap(phys, size, prot);
}
+void __iomem *acpi_os_ioremap(acpi_physical_address phys, acpi_size size)
+{
+ return __acpi_os_ioremap(phys, size, false);
+}
+
+void __iomem *acpi_os_memmap(acpi_physical_address phys, acpi_size size)
+{
+ return __acpi_os_ioremap(phys, size, true);
+}
+
/*
* Claim Synchronous External Aborts as a firmware first notification.
*
diff --git a/drivers/acpi/button.c b/drivers/acpi/button.c
index f25bd336113b..1f9b9a4c38c7 100644
--- a/drivers/acpi/button.c
+++ b/drivers/acpi/button.c
@@ -79,6 +79,17 @@ static const struct dmi_system_id dmi_lid_quirks[] = {
},
{
/*
+ * Lenovo Yoga 9 14ITL5, initial notification of the LID device
+ * never happens.
+ */
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "82BG"),
+ },
+ .driver_data = (void *)(long)ACPI_BUTTON_LID_INIT_OPEN,
+ },
+ {
+ /*
* Medion Akoya E2215T, notification of the LID device only
* happens on close, not on open and _LID always returns closed.
*/
diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c
index 45c5c0e45e33..a43f1521efe6 100644
--- a/drivers/acpi/osl.c
+++ b/drivers/acpi/osl.c
@@ -284,7 +284,8 @@ acpi_map_lookup_virt(void __iomem *virt, acpi_size size)
#define should_use_kmap(pfn) page_is_ram(pfn)
#endif
-static void __iomem *acpi_map(acpi_physical_address pg_off, unsigned long pg_sz)
+static void __iomem *acpi_map(acpi_physical_address pg_off, unsigned long pg_sz,
+ bool memory)
{
unsigned long pfn;
@@ -294,7 +295,8 @@ static void __iomem *acpi_map(acpi_physical_address pg_off, unsigned long pg_sz)
return NULL;
return (void __iomem __force *)kmap(pfn_to_page(pfn));
} else
- return acpi_os_ioremap(pg_off, pg_sz);
+ return memory ? acpi_os_memmap(pg_off, pg_sz) :
+ acpi_os_ioremap(pg_off, pg_sz);
}
static void acpi_unmap(acpi_physical_address pg_off, void __iomem *vaddr)
@@ -309,9 +311,10 @@ static void acpi_unmap(acpi_physical_address pg_off, void __iomem *vaddr)
}
/**
- * acpi_os_map_iomem - Get a virtual address for a given physical address range.
+ * __acpi_os_map_iomem - Get a virtual address for a given physical address range.
* @phys: Start of the physical address range to map.
* @size: Size of the physical address range to map.
+ * @memory: true if remapping memory, false if IO
*
* Look up the given physical address range in the list of existing ACPI memory
* mappings. If found, get a reference to it and return a pointer to it (its
@@ -321,8 +324,8 @@ static void acpi_unmap(acpi_physical_address pg_off, void __iomem *vaddr)
* During early init (when acpi_permanent_mmap has not been set yet) this
* routine simply calls __acpi_map_table() to get the job done.
*/
-void __iomem __ref
-*acpi_os_map_iomem(acpi_physical_address phys, acpi_size size)
+static void __iomem __ref
+*__acpi_os_map_iomem(acpi_physical_address phys, acpi_size size, bool memory)
{
struct acpi_ioremap *map;
void __iomem *virt;
@@ -353,7 +356,7 @@ void __iomem __ref
pg_off = round_down(phys, PAGE_SIZE);
pg_sz = round_up(phys + size, PAGE_SIZE) - pg_off;
- virt = acpi_map(phys, size);
+ virt = acpi_map(phys, size, memory);
if (!virt) {
mutex_unlock(&acpi_ioremap_lock);
kfree(map);
@@ -372,11 +375,17 @@ out:
mutex_unlock(&acpi_ioremap_lock);
return map->virt + (phys - map->phys);
}
+
+void __iomem *__ref
+acpi_os_map_iomem(acpi_physical_address phys, acpi_size size)
+{
+ return __acpi_os_map_iomem(phys, size, false);
+}
EXPORT_SYMBOL_GPL(acpi_os_map_iomem);
void *__ref acpi_os_map_memory(acpi_physical_address phys, acpi_size size)
{
- return (void *)acpi_os_map_iomem(phys, size);
+ return (void *)__acpi_os_map_iomem(phys, size, true);
}
EXPORT_SYMBOL_GPL(acpi_os_map_memory);
diff --git a/drivers/acpi/power.c b/drivers/acpi/power.c
index eba7785047ca..b9863e22b952 100644
--- a/drivers/acpi/power.c
+++ b/drivers/acpi/power.c
@@ -48,7 +48,6 @@ struct acpi_power_dependent_device {
struct acpi_power_resource {
struct acpi_device device;
struct list_head list_node;
- char *name;
u32 system_level;
u32 order;
unsigned int ref_count;
@@ -70,6 +69,11 @@ static DEFINE_MUTEX(power_resource_list_lock);
Power Resource Management
-------------------------------------------------------------------------- */
+static inline const char *resource_dev_name(struct acpi_power_resource *pr)
+{
+ return dev_name(&pr->device.dev);
+}
+
static inline
struct acpi_power_resource *to_power_resource(struct acpi_device *device)
{
@@ -264,7 +268,8 @@ acpi_power_resource_add_dependent(struct acpi_power_resource *resource,
dep->dev = dev;
list_add_tail(&dep->node, &resource->dependents);
- dev_dbg(dev, "added power dependency to [%s]\n", resource->name);
+ dev_dbg(dev, "added power dependency to [%s]\n",
+ resource_dev_name(resource));
unlock:
mutex_unlock(&resource->resource_lock);
@@ -283,7 +288,7 @@ acpi_power_resource_remove_dependent(struct acpi_power_resource *resource,
list_del(&dep->node);
kfree(dep);
dev_dbg(dev, "removed power dependency to [%s]\n",
- resource->name);
+ resource_dev_name(resource));
break;
}
}
@@ -356,10 +361,11 @@ void acpi_device_power_remove_dependent(struct acpi_device *adev,
static int __acpi_power_on(struct acpi_power_resource *resource)
{
+ acpi_handle handle = resource->device.handle;
struct acpi_power_dependent_device *dep;
acpi_status status = AE_OK;
- status = acpi_evaluate_object(resource->device.handle, "_ON", NULL, NULL);
+ status = acpi_evaluate_object(handle, "_ON", NULL, NULL);
if (ACPI_FAILURE(status)) {
resource->state = ACPI_POWER_RESOURCE_STATE_UNKNOWN;
return -ENODEV;
@@ -367,7 +373,7 @@ static int __acpi_power_on(struct acpi_power_resource *resource)
resource->state = ACPI_POWER_RESOURCE_STATE_ON;
- pr_debug("Power resource [%s] turned on\n", resource->name);
+ acpi_handle_debug(handle, "Power resource turned on\n");
/*
* If there are other dependents on this power resource we need to
@@ -380,7 +386,7 @@ static int __acpi_power_on(struct acpi_power_resource *resource)
list_for_each_entry(dep, &resource->dependents, node) {
dev_dbg(dep->dev, "runtime resuming because [%s] turned on\n",
- resource->name);
+ resource_dev_name(resource));
pm_request_resume(dep->dev);
}
@@ -392,7 +398,8 @@ static int acpi_power_on_unlocked(struct acpi_power_resource *resource)
int result = 0;
if (resource->ref_count++) {
- pr_debug("Power resource [%s] already on\n", resource->name);
+ acpi_handle_debug(resource->device.handle,
+ "Power resource already on\n");
} else {
result = __acpi_power_on(resource);
if (result)
@@ -413,10 +420,10 @@ static int acpi_power_on(struct acpi_power_resource *resource)
static int __acpi_power_off(struct acpi_power_resource *resource)
{
+ acpi_handle handle = resource->device.handle;
acpi_status status;
- status = acpi_evaluate_object(resource->device.handle, "_OFF",
- NULL, NULL);
+ status = acpi_evaluate_object(handle, "_OFF", NULL, NULL);
if (ACPI_FAILURE(status)) {
resource->state = ACPI_POWER_RESOURCE_STATE_UNKNOWN;
return -ENODEV;
@@ -424,7 +431,7 @@ static int __acpi_power_off(struct acpi_power_resource *resource)
resource->state = ACPI_POWER_RESOURCE_STATE_OFF;
- pr_debug("Power resource [%s] turned off\n", resource->name);
+ acpi_handle_debug(handle, "Power resource turned off\n");
return 0;
}
@@ -434,12 +441,14 @@ static int acpi_power_off_unlocked(struct acpi_power_resource *resource)
int result = 0;
if (!resource->ref_count) {
- pr_debug("Power resource [%s] already off\n", resource->name);
+ acpi_handle_debug(resource->device.handle,
+ "Power resource already off\n");
return 0;
}
if (--resource->ref_count) {
- pr_debug("Power resource [%s] still in use\n", resource->name);
+ acpi_handle_debug(resource->device.handle,
+ "Power resource still in use\n");
} else {
result = __acpi_power_off(resource);
if (result)
@@ -949,7 +958,6 @@ struct acpi_device *acpi_add_power_resource(acpi_handle handle)
mutex_init(&resource->resource_lock);
INIT_LIST_HEAD(&resource->list_node);
INIT_LIST_HEAD(&resource->dependents);
- resource->name = device->pnp.bus_id;
strcpy(acpi_device_name(device), ACPI_POWER_DEVICE_NAME);
strcpy(acpi_device_class(device), ACPI_POWER_CLASS);
device->power.state = ACPI_STATE_UNKNOWN;
@@ -1004,7 +1012,7 @@ void acpi_resume_power_resources(void)
if (state == ACPI_POWER_RESOURCE_STATE_OFF
&& resource->ref_count) {
- dev_dbg(&resource->device.dev, "Turning ON\n");
+ acpi_handle_debug(resource->device.handle, "Turning ON\n");
__acpi_power_on(resource);
}
@@ -1034,7 +1042,7 @@ void acpi_turn_off_unused_power_resources(void)
*/
if (!resource->ref_count &&
resource->state != ACPI_POWER_RESOURCE_STATE_OFF) {
- dev_dbg(&resource->device.dev, "Turning OFF\n");
+ acpi_handle_debug(resource->device.handle, "Turning OFF\n");
__acpi_power_off(resource);
}
diff --git a/include/acpi/acpi_io.h b/include/acpi/acpi_io.h
index 027faa8883aa..a0212e67d6f4 100644
--- a/include/acpi/acpi_io.h
+++ b/include/acpi/acpi_io.h
@@ -14,6 +14,14 @@ static inline void __iomem *acpi_os_ioremap(acpi_physical_address phys,
}
#endif
+#ifndef acpi_os_memmap
+static inline void __iomem *acpi_os_memmap(acpi_physical_address phys,
+ acpi_size size)
+{
+ return ioremap_cache(phys, size);
+}
+#endif
+
extern bool acpi_permanent_mmap;
void __iomem __ref
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-21 00:57:14 +0000