[PATCH part1 4/5] acpi, acpica: Call two new functions instead of acpi_tb_parse_root_table() in acpi_initialize_tables().

From: Tang Chen
Date: Wed Aug 07 2013 - 23:41:34 EST


The previous patch introduces two new functions:
acpi_tb_root_table_install() and acpi_tb_root_table_override(),
which work just the same as acpi_tb_parse_root_table() if they are
called in sequence.

In order to split acpi_initialize_tables(), call thes two functions
in acpi_initialize_tables(). This will keep acpi_initialize_tables()
works as before.

Signed-off-by: Tang Chen <tangchen@xxxxxxxxxxxxxx>
Reviewed-by: Zhang Yanfei <zhangyanfei@xxxxxxxxxxxxxx>
---
drivers/acpi/acpica/actables.h | 2 ++
drivers/acpi/acpica/tbxface.c | 9 +++++++--
2 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/drivers/acpi/acpica/actables.h b/drivers/acpi/acpica/actables.h
index 7755e91..641796e 100644
--- a/drivers/acpi/acpica/actables.h
+++ b/drivers/acpi/acpica/actables.h
@@ -120,6 +120,8 @@ void
acpi_tb_install_table(acpi_physical_address address,
char *signature, u32 table_index);

+acpi_status acpi_tb_root_table_install(acpi_physical_address rsdp_address);
+void acpi_tb_root_table_override(void);
acpi_status acpi_tb_parse_root_table(acpi_physical_address rsdp_address);

#endif /* __ACTABLES_H__ */
diff --git a/drivers/acpi/acpica/tbxface.c b/drivers/acpi/acpica/tbxface.c
index ad11162..98e4cad 100644
--- a/drivers/acpi/acpica/tbxface.c
+++ b/drivers/acpi/acpica/tbxface.c
@@ -143,8 +143,13 @@ acpi_initialize_tables(struct acpi_table_desc * initial_table_array,
* Root Table Array. This array contains the information of the RSDT/XSDT
* in a common, more useable format.
*/
- status = acpi_tb_parse_root_table(rsdp_address);
- return_ACPI_STATUS(status);
+ status = acpi_tb_root_table_install(rsdp_address);
+ if (ACPI_FAILURE(status))
+ return_ACPI_STATUS(status);
+
+ acpi_tb_root_table_override();
+
+ return_ACPI_STATUS(AE_OK);
}

/*******************************************************************************
--
1.7.1

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/