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authorBjorn Helgaas <bjorn.helgaas@hp.com>2008-11-13 17:30:13 -0600
committerLen Brown <len.brown@intel.com>2008-12-19 04:38:32 -0500
commite76f42761197dd6e9405e2eeb35932acfede115a (patch)
tree4eb009547442ad0633dd2a288f9e8d7d3fe5b0f9 /drivers
parent929096fe9ff1f4b3645cf3919527ab47e8d5e17c (diff)
downloadconfigs-e76f42761197dd6e9405e2eeb35932acfede115a.tar.gz
ACPI: fix 2.6.28 acpi.debug_level regression
acpi_early_init() was changed to over-write the cmdline param, making it really inconvenient to set debug flags at boot-time. Also, This sets the default level to "info", which is what all the ACPI drivers use. So to enable messages from drivers, you only have to supply the "layer" (a.k.a. "component"). For non-"info" ACPI core and ACPI interpreter messages, you have to supply both level and layer masks, as before. Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com> Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/acpi/bus.c8
-rw-r--r--drivers/acpi/utilities/utglobal.c2
2 files changed, 1 insertions, 9 deletions
diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c
index 7edf6d913c1..765fd1c56cd 100644
--- a/drivers/acpi/bus.c
+++ b/drivers/acpi/bus.c
@@ -688,14 +688,6 @@ void __init acpi_early_init(void)
if (acpi_disabled)
return;
- /*
- * ACPI CA initializes acpi_dbg_level to non-zero, which means
- * we get debug output merely by turning on CONFIG_ACPI_DEBUG.
- * Turn it off so we don't get output unless the user specifies
- * acpi.debug_level.
- */
- acpi_dbg_level = 0;
-
printk(KERN_INFO PREFIX "Core revision %08x\n", ACPI_CA_VERSION);
/* enable workarounds, unless strict ACPI spec. compliance */
diff --git a/drivers/acpi/utilities/utglobal.c b/drivers/acpi/utilities/utglobal.c
index 670551b95e5..17ed5ac840f 100644
--- a/drivers/acpi/utilities/utglobal.c
+++ b/drivers/acpi/utilities/utglobal.c
@@ -64,7 +64,7 @@ u32 acpi_dbg_level = ACPI_DEBUG_DEFAULT;
/* Debug switch - layer (component) mask */
-u32 acpi_dbg_layer = ACPI_COMPONENT_DEFAULT | ACPI_ALL_DRIVERS;
+u32 acpi_dbg_layer = 0;
u32 acpi_gbl_nesting_level = 0;
/* Debugger globals */