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ACPICA: acpidump: Allow customized tables to be dumped without accessing /dev/mem

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ACPICA commit ab29013cfa2424140446aff196a70b211ab343a9

The /dev/mem can be configured out, in which case, acpidump should still
work with "-c" option as tables can be found in /sys/firmware/acpi/tables.
This patch allows acpidump to work without /dev/mem.
This patch has been tested with "acpidump -c" and "acpidump -c -n FADT".
And it worked as expected. Lv Zheng.

Link: https://github.com/acpica/acpica/commit/ab29013c
Reported-by: Al Stone <ahs3@redhat.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Lv Zheng 2015-07-01 14:44:52 +08:00 committed by Rafael J. Wysocki
parent fde175e385
commit 428394dfdf
1 changed files with 60 additions and 57 deletions
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17
tools/power/acpi/os_specific/service_layers/oslinuxtbl.c
View file

@ -582,6 +582,8 @@ static acpi_status osl_table_initialize(void)
return (AE_OK);
}
if (!gbl_dump_customized_tables) {
/* Get RSDP from memory */
status = osl_load_rsdp();
@ -600,8 +602,9 @@ static acpi_status osl_table_initialize(void)
gbl_revision = 2;
status = osl_get_bios_table(ACPI_SIG_XSDT, 0,
ACPI_CAST_PTR(struct
acpi_table_header *,
&gbl_xsdt), &address);
acpi_table_header
*, &gbl_xsdt),
&address);
if (ACPI_FAILURE(status)) {
return (status);
}
@ -617,8 +620,9 @@ static acpi_status osl_table_initialize(void)
status = osl_get_bios_table(ACPI_SIG_RSDT, 0,
ACPI_CAST_PTR(struct
acpi_table_header *,
&gbl_rsdt), &address);
acpi_table_header
*, &gbl_rsdt),
&address);
if (ACPI_FAILURE(status)) {
return (status);
}
@ -632,15 +636,14 @@ static acpi_status osl_table_initialize(void)
}
status = osl_get_bios_table(ACPI_SIG_FADT, 0,
ACPI_CAST_PTR(struct acpi_table_header *,
ACPI_CAST_PTR(struct
acpi_table_header *,
&gbl_fadt),
&gbl_fadt_address);
if (ACPI_FAILURE(status)) {
return (status);
}
if (!gbl_dump_customized_tables) {
/* Add mandatory tables to global table list first */
status = osl_add_table_to_list(ACPI_RSDP_NAME, 0);