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-rw-r--r--drivers/acpi/Kconfig4
-rw-r--r--drivers/acpi/acpica/evxfregn.c2
-rw-r--r--drivers/acpi/nfit/core.c7
-rw-r--r--drivers/acpi/resource.c6
4 files changed, 11 insertions, 8 deletions
diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig
index d65cd08ba8e1..d81b55f5068c 100644
--- a/drivers/acpi/Kconfig
+++ b/drivers/acpi/Kconfig
@@ -135,10 +135,10 @@ config ACPI_REV_OVERRIDE_POSSIBLE
config ACPI_EC
bool "Embedded Controller"
depends on HAS_IOPORT
- default X86
+ default X86 || LOONGARCH
help
This driver handles communication with the microcontroller
- on many x86 laptops and other machines.
+ on many x86/LoongArch laptops and other machines.
config ACPI_EC_DEBUGFS
tristate "EC read/write access through /sys/kernel/debug/ec"
diff --git a/drivers/acpi/acpica/evxfregn.c b/drivers/acpi/acpica/evxfregn.c
index 95f78383bbdb..bff2d099f469 100644
--- a/drivers/acpi/acpica/evxfregn.c
+++ b/drivers/acpi/acpica/evxfregn.c
@@ -232,8 +232,6 @@ acpi_remove_address_space_handler(acpi_handle device,
/* Now we can delete the handler object */
- acpi_os_release_mutex(handler_obj->address_space.
- context_mutex);
acpi_ut_remove_reference(handler_obj);
goto unlock_and_exit;
}
diff --git a/drivers/acpi/nfit/core.c b/drivers/acpi/nfit/core.c
index 5429ec9ef06f..a5d47819b3a4 100644
--- a/drivers/acpi/nfit/core.c
+++ b/drivers/acpi/nfit/core.c
@@ -454,8 +454,13 @@ int acpi_nfit_ctl(struct nvdimm_bus_descriptor *nd_desc, struct nvdimm *nvdimm,
if (cmd_rc)
*cmd_rc = -EINVAL;
- if (cmd == ND_CMD_CALL)
+ if (cmd == ND_CMD_CALL) {
+ if (!buf || buf_len < sizeof(*call_pkg))
+ return -EINVAL;
+
call_pkg = buf;
+ }
+
func = cmd_to_func(nfit_mem, cmd, call_pkg, &family);
if (func < 0)
return func;
diff --git a/drivers/acpi/resource.c b/drivers/acpi/resource.c
index 7fe842dae1ec..821867de43be 100644
--- a/drivers/acpi/resource.c
+++ b/drivers/acpi/resource.c
@@ -250,6 +250,9 @@ static bool acpi_decode_space(struct resource_win *win,
switch (addr->resource_type) {
case ACPI_MEMORY_RANGE:
acpi_dev_memresource_flags(res, len, wp);
+
+ if (addr->info.mem.caching == ACPI_PREFETCHABLE_MEMORY)
+ res->flags |= IORESOURCE_PREFETCH;
break;
case ACPI_IO_RANGE:
acpi_dev_ioresource_flags(res, len, iodec,
@@ -265,9 +268,6 @@ static bool acpi_decode_space(struct resource_win *win,
if (addr->producer_consumer == ACPI_PRODUCER)
res->flags |= IORESOURCE_WINDOW;
- if (addr->info.mem.caching == ACPI_PREFETCHABLE_MEMORY)
- res->flags |= IORESOURCE_PREFETCH;
-
return !(res->flags & IORESOURCE_DISABLED);
}