Hello all, Any comments about this patch?
Cheers Dongsheng On 2018/11/23 16:12, Wang, Dongsheng wrote: > Hello Robert, > > Do you have any comments about this patch? > Thanks. > > > Cheers > Dongsheng > > On 2018/11/13 18:46, Wang, Dongsheng wrote: >> The new naming rule is added in acpica version 20180427. >> So the dsdt aml code name changes from "AmlCode" to "dsdt_aml_code". >> >> The patch that introduces naming rules is: >> https://github.com/acpica/acpica/commit/f9a88a4c1cd020b6a5475d63b29626852a0b5f37 >> >> Tested: >> ACPICA release version 20180427+. >> ARM64: QCOM QDF2400 >> GCC: 4.8.5 20150623 >> >> Signed-off-by: Wang Dongsheng <[email protected]> >> --- >> drivers/acpi/Kconfig | 2 +- >> drivers/acpi/tables.c | 10 ++++++++-- >> 2 files changed, 9 insertions(+), 3 deletions(-) >> >> diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig >> index 9705fc986da9..15ab53a52fdc 100644 >> --- a/drivers/acpi/Kconfig >> +++ b/drivers/acpi/Kconfig >> @@ -336,7 +336,7 @@ config ACPI_CUSTOM_DSDT_FILE >> See Documentation/acpi/dsdt-override.txt >> >> Enter the full path name to the file which includes the AmlCode >> - declaration. >> + or dsdt_aml_code declaration. >> >> If unsure, don't enter a file name. >> >> diff --git a/drivers/acpi/tables.c b/drivers/acpi/tables.c >> index a3d012b08fc5..297020bbaade 100644 >> --- a/drivers/acpi/tables.c >> +++ b/drivers/acpi/tables.c >> @@ -713,6 +713,9 @@ acpi_os_physical_table_override(struct acpi_table_header >> *existing_table, >> table_length); >> } >> >> +static void *amlcode __attribute__ ((weakref("AmlCode"))); >> +static void *dsdt_amlcode __attribute__ ((weakref("dsdt_aml_code"))); >> + >> acpi_status >> acpi_os_table_override(struct acpi_table_header *existing_table, >> struct acpi_table_header **new_table) >> @@ -723,8 +726,11 @@ acpi_os_table_override(struct acpi_table_header >> *existing_table, >> *new_table = NULL; >> >> #ifdef CONFIG_ACPI_CUSTOM_DSDT >> - if (strncmp(existing_table->signature, "DSDT", 4) == 0) >> - *new_table = (struct acpi_table_header *)AmlCode; >> + if (!strncmp(existing_table->signature, "DSDT", 4)) { >> + *new_table = (struct acpi_table_header *)&amlcode; >> + if (!(*new_table)) >> + *new_table = (struct acpi_table_header *)&dsdt_amlcode; >> + } >> #endif >> if (*new_table != NULL) >> acpi_table_taint(existing_table); > >
