From: Bob Moore Date: Thu, 8 Aug 2013 07:29:22 +0000 (+0800) Subject: ACPICA: Export acpi_tb_validate_rsdp(). X-Git-Tag: firefly_0821_release~176^2~5466^2~13^2~8 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=38f7c5a11e8ec0f770d8850ca8442528a959f9f3;p=firefly-linux-kernel-4.4.55.git ACPICA: Export acpi_tb_validate_rsdp(). This patch exports acpi_tb_validate_rsdp(), so that code duplication in some ACPICA utilities can be reduced. This patch also includes lint changes. Signed-off-by: Bob Moore Signed-off-by: Lv Zheng Signed-off-by: Rafael J. Wysocki --- diff --git a/drivers/acpi/acpica/actables.h b/drivers/acpi/acpica/actables.h index 917315ec21dd..c54f42c64fe2 100644 --- a/drivers/acpi/acpica/actables.h +++ b/drivers/acpi/acpica/actables.h @@ -49,6 +49,8 @@ acpi_status acpi_allocate_root_table(u32 initial_table_count); /* * tbxfroot - Root pointer utilities */ +acpi_status acpi_tb_validate_rsdp(struct acpi_table_rsdp *rsdp); + u8 *acpi_tb_scan_memory_for_rsdp(u8 *start_address, u32 length); /* diff --git a/drivers/acpi/acpica/tbxfroot.c b/drivers/acpi/acpica/tbxfroot.c index e76ed0f07826..948c95e80d44 100644 --- a/drivers/acpi/acpica/tbxfroot.c +++ b/drivers/acpi/acpica/tbxfroot.c @@ -48,9 +48,6 @@ #define _COMPONENT ACPI_TABLES ACPI_MODULE_NAME("tbxfroot") -/* Local prototypes */ -static acpi_status acpi_tb_validate_rsdp(struct acpi_table_rsdp *rsdp); - /******************************************************************************* * * FUNCTION: acpi_tb_validate_rsdp @@ -62,8 +59,7 @@ static acpi_status acpi_tb_validate_rsdp(struct acpi_table_rsdp *rsdp); * DESCRIPTION: Validate the RSDP (ptr) * ******************************************************************************/ - -static acpi_status acpi_tb_validate_rsdp(struct acpi_table_rsdp *rsdp) +acpi_status acpi_tb_validate_rsdp(struct acpi_table_rsdp *rsdp) { /* @@ -72,7 +68,7 @@ static acpi_status acpi_tb_validate_rsdp(struct acpi_table_rsdp *rsdp) * Note: Sometimes there exists more than one RSDP in memory; the valid * RSDP has a valid checksum, all others have an invalid checksum. */ - if (ACPI_STRNCMP((char *)rsdp, ACPI_SIG_RSDP, + if (ACPI_STRNCMP((char *)rsdp->signature, ACPI_SIG_RSDP, sizeof(ACPI_SIG_RSDP) - 1) != 0) { /* Nope, BAD Signature */