[ACPI] ACPICA 20060210

[sfrench/cifs-2.6.git] / drivers / acpi / tables / tbxfroot.c

diff --git a/drivers/acpi/tables/tbxfroot.c b/drivers/acpi/tables/tbxfroot.c
index a62db6af83c9139ad8ab02871862db6eeef9af90..7f68b759f15a122f2831519da1ff4a4e9ce46f17 100644 (file)
--- a/drivers/acpi/tables/tbxfroot.c
+++ b/drivers/acpi/tables/tbxfroot.c
@@ -75,6 +75,7 @@ acpi_status acpi_tb_validate_rsdp(struct rsdp_descriptor *rsdp)
         *  The signature and checksum must both be correct
         */
        if (ACPI_STRNCMP((char *)rsdp, RSDP_SIG, sizeof(RSDP_SIG) - 1) != 0) {
+
                /* Nope, BAD Signature */
 
                return (AE_BAD_SIGNATURE);
@@ -217,6 +218,7 @@ acpi_get_firmware_table(acpi_string signature,
        /* Ensure that we have a RSDP */
 
        if (!acpi_gbl_RSDP) {
+
                /* Get the RSDP */
 
                status = acpi_os_get_root_pointer(flags, &address);
@@ -327,10 +329,12 @@ acpi_get_firmware_table(acpi_string signature,
                /* Compare table signatures and table instance */
 
                if (!ACPI_STRNCMP(header->signature, signature, ACPI_NAME_SIZE)) {
+
                        /* An instance of the table was found */
 
                        j++;
                        if (j >= instance) {
+
                                /* Found the correct instance, get the entire table */
 
                                status =
@@ -434,12 +438,14 @@ static u8 *acpi_tb_scan_memory_for_rsdp(u8 * start_address, u32 length)
 
        for (mem_rover = start_address; mem_rover < end_address;
             mem_rover += ACPI_RSDP_SCAN_STEP) {
+
                /* The RSDP signature and checksum must both be correct */
 
                status =
                    acpi_tb_validate_rsdp(ACPI_CAST_PTR
                                          (struct rsdp_descriptor, mem_rover));
                if (ACPI_SUCCESS(status)) {
+
                        /* Sig and checksum valid, we have found a real RSDP */
 
                        ACPI_DEBUG_PRINT((ACPI_DB_INFO,
@@ -495,6 +501,7 @@ acpi_tb_find_rsdp(struct acpi_table_desc *table_info, u32 flags)
         * Scan supports either logical addressing or physical addressing
         */
        if ((flags & ACPI_MEMORY_MODE) == ACPI_LOGICAL_ADDRESSING) {
+
                /* 1a) Get the location of the Extended BIOS Data Area (EBDA) */
 
                status = acpi_os_map_memory((acpi_physical_address)
@@ -542,6 +549,7 @@ acpi_tb_find_rsdp(struct acpi_table_desc *table_info, u32 flags)
                        acpi_os_unmap_memory(table_ptr, ACPI_EBDA_WINDOW_SIZE);
 
                        if (mem_rover) {
+
                                /* Return the physical address */
 
                                physical_address +=
@@ -576,6 +584,7 @@ acpi_tb_find_rsdp(struct acpi_table_desc *table_info, u32 flags)
                acpi_os_unmap_memory(table_ptr, ACPI_HI_RSDP_WINDOW_SIZE);
 
                if (mem_rover) {
+
                        /* Return the physical address */
 
                        physical_address =
@@ -609,6 +618,7 @@ acpi_tb_find_rsdp(struct acpi_table_desc *table_info, u32 flags)
                                                         (physical_address),
                                                         ACPI_EBDA_WINDOW_SIZE);
                        if (mem_rover) {
+
                                /* Return the physical address */
 
                                table_info->physical_address =
@@ -624,6 +634,7 @@ acpi_tb_find_rsdp(struct acpi_table_desc *table_info, u32 flags)
                                                 (ACPI_HI_RSDP_WINDOW_BASE),
                                                 ACPI_HI_RSDP_WINDOW_SIZE);
                if (mem_rover) {
+
                        /* Found it, return the physical address */
 
                        table_info->physical_address =