[PATCH 3.13 034/198] ACPI: Fix conflict between customized DSDT and DSDT local copy

From: Kamal Mostafa
Date: Tue Jul 15 2014 - 17:57:02 EST


3.13.11.5 -stable review patch. If anyone has any objections, please let me know.

------------------

From: Lv Zheng <lv.zheng@xxxxxxxxx>

commit 73577d1df8e1f31f6b1a5eebcdbc334eb0330e47 upstream.

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

References: https://bugzilla.kernel.org/show_bug.cgi?id=69711
Signed-off-by: Enrico Etxe Arte <goitizena.generoa@xxxxxxxxx>
Signed-off-by: Lv Zheng <lv.zheng@xxxxxxxxx>
[rjw: Subject]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx>

Signed-off-by: Kamal Mostafa <kamal@xxxxxxxxxxxxx>
---
drivers/acpi/bus.c | 7 +++++++
1 file changed, 7 insertions(+)

diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c
index 296bec8..249d477 100644
--- a/drivers/acpi/bus.c
+++ b/drivers/acpi/bus.c
@@ -57,6 +57,12 @@ 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 - "
@@ -64,6 +70,7 @@ 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 = {
/*
--
1.9.1

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