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ACPI: utils: Introduce acpi_evaluation_failure_warn()

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Quite a few users of ACPI objects want to log a warning message if
the evaluation fails which is a repeating pattern, so introduce a
helper function for that purpose and convert some code where it is
open-coded to using it.

No intentional functional impact.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Rafael J. Wysocki 2021-03-05 19:41:44 +01:00
parent a030fee8db
commit 4c324548f0
5 changed files with 28 additions and 23 deletions
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6
drivers/acpi/pci_link.c
View File

@ -256,8 +256,7 @@ static int acpi_pci_link_get_current(struct acpi_pci_link *link)
status = acpi_walk_resources(handle, METHOD_NAME__CRS,
acpi_pci_link_check_current, &irq);
if (ACPI_FAILURE(status)) {
acpi_handle_warn(handle, "_CRS evaluation failed: %s\n",
acpi_format_exception(status));
acpi_evaluation_failure_warn(handle, "_CRS", status);
result = -ENODEV;
goto end;
}
@ -345,8 +344,7 @@ static int acpi_pci_link_set(struct acpi_pci_link *link, int irq)
/* check for total failure */
if (ACPI_FAILURE(status)) {
acpi_handle_warn(handle, "_SRS evaluation failed: %s",
acpi_format_exception(status));
acpi_evaluation_failure_warn(handle, "_SRS", status);
result = -ENODEV;
goto end;
}

10
drivers/acpi/processor_perflib.c
View File

@ -67,9 +67,7 @@ static int acpi_processor_get_platform_limit(struct acpi_processor *pr)
acpi_processor_ppc_in_use = true;
if (ACPI_FAILURE(status)) {
acpi_handle_warn(pr->handle,
"_PPC evaluation failed: %s\n",
acpi_format_exception(status));
acpi_evaluation_failure_warn(pr->handle, "_PPC", status);
return -ENODEV;
}
}
@ -199,8 +197,7 @@ static int acpi_processor_get_performance_control(struct acpi_processor *pr)
status = acpi_evaluate_object(pr->handle, "_PCT", NULL, &buffer);
if (ACPI_FAILURE(status)) {
acpi_handle_warn(pr->handle, "_PCT evaluation failed: %s\n",
acpi_format_exception(status));
acpi_evaluation_failure_warn(pr->handle, "_PCT", status);
return -ENODEV;
}
@ -300,8 +297,7 @@ static int acpi_processor_get_performance_states(struct acpi_processor *pr)
status = acpi_evaluate_object(pr->handle, "_PSS", NULL, &buffer);
if (ACPI_FAILURE(status)) {
acpi_handle_warn(pr->handle, "_PSS evaluation failed: %s\n",
acpi_format_exception(status));
acpi_evaluation_failure_warn(pr->handle, "_PSS", status);
return -ENODEV;
}

16
drivers/acpi/processor_throttling.c
View File

@ -281,9 +281,7 @@ static int acpi_processor_get_platform_limit(struct acpi_processor *pr)
status = acpi_evaluate_integer(pr->handle, "_TPC", NULL, &tpc);
if (ACPI_FAILURE(status)) {
if (status != AE_NOT_FOUND)
acpi_handle_warn(pr->handle,
"_TPC evaluation failed: %s\n",
acpi_format_exception(status));
acpi_evaluation_failure_warn(pr->handle, "_TPC", status);
return -ENODEV;
}
@ -416,9 +414,7 @@ static int acpi_processor_get_throttling_control(struct acpi_processor *pr)
status = acpi_evaluate_object(pr->handle, "_PTC", NULL, &buffer);
if (ACPI_FAILURE(status)) {
if (status != AE_NOT_FOUND)
acpi_handle_warn(pr->handle,
"_PTC evaluation failed: %s\n",
acpi_format_exception(status));
acpi_evaluation_failure_warn(pr->handle, "_PTC", status);
return -ENODEV;
}
@ -503,9 +499,7 @@ static int acpi_processor_get_throttling_states(struct acpi_processor *pr)
status = acpi_evaluate_object(pr->handle, "_TSS", NULL, &buffer);
if (ACPI_FAILURE(status)) {
if (status != AE_NOT_FOUND)
acpi_handle_warn(pr->handle,
"_TSS evaluation failed: %s\n",
acpi_format_exception(status));
acpi_evaluation_failure_warn(pr->handle, "_TSS", status);
return -ENODEV;
}
@ -586,9 +580,7 @@ static int acpi_processor_get_tsd(struct acpi_processor *pr)
status = acpi_evaluate_object(pr->handle, "_TSD", NULL, &buffer);
if (ACPI_FAILURE(status)) {
if (status != AE_NOT_FOUND)
acpi_handle_warn(pr->handle,
"_TSD evaluation failed: %s\n",
acpi_format_exception(status));
acpi_evaluation_failure_warn(pr->handle, "_TSD", status);
return -ENODEV;
}

14
drivers/acpi/utils.c
View File

@ -511,6 +511,20 @@ __acpi_handle_debug(struct _ddebug *descriptor, acpi_handle handle,
EXPORT_SYMBOL(__acpi_handle_debug);
#endif
/**
* acpi_evaluation_failure_warn - Log evaluation failure warning.
* @handle: Parent object handle.
* @name: Name of the object whose evaluation has failed.
* @status: Status value returned by the failing object evaluation.
*/
void acpi_evaluation_failure_warn(acpi_handle handle, const char *name,
acpi_status status)
{
acpi_handle_warn(handle, "%s evaluation failed: %s\n", name,
acpi_format_exception(status));
}
EXPORT_SYMBOL_GPL(acpi_evaluation_failure_warn);
/**
* acpi_has_method: Check whether @handle has a method named @name
* @handle: ACPI device handle

5
include/linux/acpi.h
View File

@ -1027,9 +1027,14 @@ static inline void acpi_ec_set_gpe_wake_mask(u8 action) {}
__printf(3, 4)
void acpi_handle_printk(const char *level, acpi_handle handle,
const char *fmt, ...);
void acpi_evaluation_failure_warn(acpi_handle handle, const char *name,
acpi_status status);
#else /* !CONFIG_ACPI */
static inline __printf(3, 4) void
acpi_handle_printk(const char *level, void *handle, const char *fmt, ...) {}
static inline void acpi_evaluation_failure_warn(acpi_handle handle,
const char *name,
acpi_status status) {}
#endif /* !CONFIG_ACPI */
#if defined(CONFIG_ACPI) && defined(CONFIG_DYNAMIC_DEBUG)