Commit 9e7e2c04 authored Apr 27, 2006 by Bjorn Helgaas Committed by Len Brown Jun 27, 2006

ACPI: acpi_os_wait_semaphore(): silence complaint

The ASL Acquire operator (17.5.1 in ACPI 3.0 spec) is allowed to time out
and return True without acquiring the semaphore. There's no indication in
the spec that this is an actual error, so this message should be
debug-only, as the message for successful acquisition is.

This used to be an ACPI_DEBUG_PRINT, but it was mis-classified as
ACPI_DB_ERROR rather than ACPI_DB_MUTEX, so it got swept up in Thomas'
recent patch to enable ACPI error messages even without CONFIG_ACPI_DEBUG.

Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Len Brown <len.brown@intel.com>

parent be63c925

drivers/acpi/osl.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -840,7 +840,7 @@ acpi_status acpi_os_wait_semaphore(acpi_handle handle, u32 units, u16 timeout)
		}

		if (ACPI_FAILURE(status)) {
		ACPI_EXCEPTION((AE_INFO, status,
		ACPI_DEBUG_PRINT((ACPI_DB_MUTEX,
		"Failed to acquire semaphore[%p\|%d\|%d], %s",
		handle, units, timeout,
		acpi_format_exception(status)));

Admin message