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authorBob Moore <robert.moore@intel.com>2012-02-14 18:14:27 +0800
committerLen Brown <len.brown@intel.com>2012-03-22 01:44:49 -0400
commit33620c5419e8a11814dd11e02a80e6ef77a43407 (patch)
tree8643dbb1e332dd9ece6fb92f22000413e8d8fdc7 /drivers/acpi/acpica/utxface.c
parentd08310fe0d6bd8c82da94e8d8ef48bdbe14d2bd1 (diff)
ACPICA: Support for custom ACPICA build for ACPI 5 reduced hardware
Add ACPI_REDUCED_HARDWARE flag that removes all hardware-related code (about 10% code, 5% static data). Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'drivers/acpi/acpica/utxface.c')
-rw-r--r--drivers/acpi/acpica/utxface.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/acpi/acpica/utxface.c b/drivers/acpi/acpica/utxface.c
index 644e8c8ebc4b..afa94f51ff0b 100644
--- a/drivers/acpi/acpica/utxface.c
+++ b/drivers/acpi/acpica/utxface.c
@@ -145,6 +145,8 @@ acpi_status acpi_enable_subsystem(u32 flags)
ACPI_FUNCTION_TRACE(acpi_enable_subsystem);
+#if (!ACPI_REDUCED_HARDWARE)
+
/* Enable ACPI mode */
if (!(flags & ACPI_NO_ACPI_ENABLE)) {
@@ -169,6 +171,7 @@ acpi_status acpi_enable_subsystem(u32 flags)
ACPI_WARNING((AE_INFO, "Could not map the FACS table"));
return_ACPI_STATUS(status);
}
+#endif /* !ACPI_REDUCED_HARDWARE */
/*
* Install the default op_region handlers. These are installed unless
@@ -184,7 +187,7 @@ acpi_status acpi_enable_subsystem(u32 flags)
return_ACPI_STATUS(status);
}
}
-
+#if (!ACPI_REDUCED_HARDWARE)
/*
* Initialize ACPI Event handling (Fixed and General Purpose)
*
@@ -220,6 +223,7 @@ acpi_status acpi_enable_subsystem(u32 flags)
return_ACPI_STATUS(status);
}
}
+#endif /* !ACPI_REDUCED_HARDWARE */
return_ACPI_STATUS(status);
}