diff options
Diffstat (limited to 'drivers/acpi/acpica/rsmisc.c')
| -rw-r--r-- | drivers/acpi/acpica/rsmisc.c | 67 |
1 files changed, 26 insertions, 41 deletions
diff --git a/drivers/acpi/acpica/rsmisc.c b/drivers/acpi/acpica/rsmisc.c index cc4b5486c4bc..6e8e98cf598d 100644 --- a/drivers/acpi/acpica/rsmisc.c +++ b/drivers/acpi/acpica/rsmisc.c @@ -1,46 +1,10 @@ +// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 /******************************************************************************* * * Module Name: rsmisc - Miscellaneous resource descriptors * ******************************************************************************/ -/* - * Copyright (C) 2000 - 2017, Intel Corp. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions, and the following disclaimer, - * without modification. - * 2. Redistributions in binary form must reproduce at minimum a disclaimer - * substantially similar to the "NO WARRANTY" disclaimer below - * ("Disclaimer") and any redistribution must be conditioned upon - * including a substantially similar Disclaimer requirement for further - * binary redistribution. - * 3. Neither the names of the above-listed copyright holders nor the names - * of any contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * Alternatively, this software may be distributed under the terms of the - * GNU General Public License ("GPL") version 2 as published by the Free - * Software Foundation. - * - * NO WARRANTY - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, - * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGES. - */ - #include <acpi/acpi.h> #include "accommon.h" #include "acresrc.h" @@ -106,6 +70,8 @@ acpi_rs_convert_aml_to_resource(struct acpi_resource *resource, */ count = INIT_TABLE_LENGTH(info); while (count) { + target = NULL; + /* * Source is the external AML byte stream buffer, * destination is the internal resource descriptor @@ -156,6 +122,14 @@ acpi_rs_convert_aml_to_resource(struct acpi_resource *resource, ((ACPI_GET8(source) >> info->value) & 0x07)); break; + case ACPI_RSC_6BITFLAG: + /* + * Mask and shift the flag bits + */ + ACPI_SET8(destination, + ((ACPI_GET8(source) >> info->value) & 0x3F)); + break; + case ACPI_RSC_COUNT: item_count = ACPI_GET8(source); @@ -220,7 +194,8 @@ acpi_rs_convert_aml_to_resource(struct acpi_resource *resource, case ACPI_RSC_COUNT_SERIAL_VEN: - item_count = ACPI_GET16(source) - info->value; + ACPI_MOVE_16_TO_16(&temp16, source); + item_count = temp16 - info->value; resource->length = resource->length + item_count; ACPI_SET16(destination, item_count); @@ -228,9 +203,10 @@ acpi_rs_convert_aml_to_resource(struct acpi_resource *resource, case ACPI_RSC_COUNT_SERIAL_RES: + ACPI_MOVE_16_TO_16(&temp16, source); item_count = (aml_resource_length + sizeof(struct aml_resource_large_header)) - - ACPI_GET16(source) - info->value; + - temp16 - info->value; resource->length = resource->length + item_count; ACPI_SET16(destination, item_count); @@ -315,9 +291,9 @@ acpi_rs_convert_aml_to_resource(struct acpi_resource *resource, /* Copy the resource_source string */ + ACPI_MOVE_16_TO_16(&temp16, source); source = - ACPI_ADD_PTR(void, aml, - (ACPI_GET16(source) + info->value)); + ACPI_ADD_PTR(void, aml, (temp16 + info->value)); acpi_rs_move_data(target, source, item_count, info->opcode); break; @@ -545,6 +521,15 @@ acpi_rs_convert_resource_to_aml(struct acpi_resource *resource, value)); break; + case ACPI_RSC_6BITFLAG: + /* + * Mask and shift the flag bits + */ + ACPI_SET_BIT(*ACPI_CAST8(destination), (u8) + ((ACPI_GET8(source) & 0x3F) << info-> + value)); + break; + case ACPI_RSC_COUNT: item_count = ACPI_GET8(source); |