ACPI: turn off all debug output by default
When CONFIG_ACPI_DEBUG=y, the default acpi_dbg_layer and acpi_dbg_level values built into the ACPI CA have some debug output enabled. We'd rather be quiet unless the user actually specified the acpi.debug_level argument. This enables distros to ship with CONFIG_ACPI_DEBUG=y without inundating users with debug output. Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com> Signed-off-by: Len Brown <len.brown@intel.com>
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@ -688,6 +688,14 @@ void __init acpi_early_init(void)
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if (acpi_disabled)
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return;
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/*
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* ACPI CA initializes acpi_dbg_level to non-zero, which means
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* we get debug output merely by turning on CONFIG_ACPI_DEBUG.
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* Turn it off so we don't get output unless the user specifies
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* acpi.debug_level.
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*/
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acpi_dbg_level = 0;
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printk(KERN_INFO PREFIX "Core revision %08x\n", ACPI_CA_VERSION);
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/* enable workarounds, unless strict ACPI spec. compliance */
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