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[Xen-devel,v4,04/10] acpi: Don't do traditional BIOS table scan for ARM64

Message ID 1452920477-13916-5-git-send-email-zhaoshenglong@huawei.com
State New
Headers show

Commit Message

Shannon Zhao Jan. 16, 2016, 5:01 a.m. UTC 
From: Shannon Zhao <shannon.zhao@linaro.org>


With the addition of ARM64 that does not have a traditional BIOS to
scan, stub out acpi_find_root_pointer to do nothing for ARM.

Cc: Jan Beulich <jbeulich@suse.com>
Signed-off-by: Shannon Zhao <shannon.zhao@linaro.org>

---
v4: stub out acpi_find_root_pointer fro ARM
---
 xen/drivers/acpi/tables/tbxfroot.c | 7 +++++++
 1 file changed, 7 insertions(+)

-- 
2.0.4



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Patch

diff --git a/xen/drivers/acpi/tables/tbxfroot.c b/xen/drivers/acpi/tables/tbxfroot.c
index 0efb603..90e52e9 100644
--- a/xen/drivers/acpi/tables/tbxfroot.c
+++ b/xen/drivers/acpi/tables/tbxfroot.c
@@ -49,6 +49,12 @@ 
 #define _COMPONENT          ACPI_TABLES
 ACPI_MODULE_NAME("tbxfroot")
 
+#ifdef CONFIG_ARM
+acpi_status __init acpi_find_root_pointer(acpi_native_uint * table_address)
+{
+	return_ACPI_STATUS(AE_NOT_FOUND);
+}
+#else
 /* Local prototypes */
 static u8 *acpi_tb_scan_memory_for_rsdp(u8 * start_address, u32 length);
 
@@ -271,3 +277,4 @@  static u8 *__init acpi_tb_scan_memory_for_rsdp(u8 * start_address, u32 length)
 			  start_address));
 	return_PTR(NULL);
 }
+#endif