[PATCH v3 2/2] ACPI: Fix the issue that the DSDT local copy is conflict with the customized DSDT.

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This patch fixes the following issue:
If DSDT is customized, no local DSDT copy is needed.

Buglink: https://bugzilla.kernel.org/show_bug.cgi?id=69711
Signed-off-by: Lv Zheng <lv.zheng@xxxxxxxxx>
Signed-off-by: Enrico Etxe Arte <goitizena.generoa@xxxxxxxxx>
Cc: <stable@xxxxxxxxxxxxxxx> # 2.6.35.x: aa2110cb: ACPI: add boot option acpi=copy_dsdt to fix corrupt DSDT
---
 drivers/acpi/bus.c |    7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c
index 610261a..cfd2318 100644
--- a/drivers/acpi/bus.c
+++ b/drivers/acpi/bus.c
@@ -52,6 +52,12 @@ struct proc_dir_entry *acpi_root_dir;
 EXPORT_SYMBOL(acpi_root_dir);
 
 #ifdef CONFIG_X86
+#ifdef CONFIG_ACPI_CUSTOM_DSDT
+static inline int set_copy_dsdt(const struct dmi_system_id *id)
+{
+	return 0;
+}
+#else
 static int set_copy_dsdt(const struct dmi_system_id *id)
 {
 	printk(KERN_NOTICE "%s detected - "
@@ -59,6 +65,7 @@ static int set_copy_dsdt(const struct dmi_system_id *id)
 	acpi_gbl_copy_dsdt_locally = 1;
 	return 0;
 }
+#endif
 
 static struct dmi_system_id dsdt_dmi_table[] __initdata = {
 	/*
-- 
1.7.10

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