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x86: Prevent from missing the FADT chaining

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Recent approach with FADT writer shows that there is
a room for subtle errors. Prevent this from happening
again by introducing acpi_add_fadt() helper.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
This commit is contained in:
Andy Shevchenko 2023-09-01 11:27:10 -06:00 committed by Bin Meng
parent 2e977b2ce8
commit b95bc64b06
5 changed files with 11 additions and 20 deletions
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6
arch/x86/cpu/apollolake/acpi.c
View file

@ -158,11 +158,7 @@ static int apl_write_fadt(struct acpi_ctx *ctx, const struct acpi_writer *entry)
header = &fadt->header;
header->checksum = table_compute_checksum(fadt, header->length);
acpi_add_table(ctx, fadt);
acpi_inc(ctx, sizeof(struct acpi_fadt));
return 0;
return acpi_add_fadt(ctx, fadt);
}
ACPI_WRITER(5fadt, "FADT", apl_write_fadt, 0);

6
arch/x86/cpu/baytrail/acpi.c
View file

@ -142,11 +142,7 @@ static int baytrail_write_fadt(struct acpi_ctx *ctx,
header->checksum = table_compute_checksum(fadt, header->length);
acpi_add_table(ctx, fadt);
acpi_inc(ctx, sizeof(struct acpi_fadt));
return 0;
return acpi_add_fadt(ctx, fadt);
}
ACPI_WRITER(5fadt, "FADT", baytrail_write_fadt, 0);

6
arch/x86/cpu/quark/acpi.c
View file

@ -137,11 +137,7 @@ static int quark_write_fadt(struct acpi_ctx *ctx,
header->checksum = table_compute_checksum(fadt, header->length);
acpi_add_table(ctx, fadt);
acpi_inc(ctx, sizeof(struct acpi_fadt));
return 0;
return acpi_add_fadt(ctx, fadt);
}
ACPI_WRITER(5fadt, "FADT", quark_write_fadt, 0);

6
arch/x86/cpu/tangier/acpi.c
View file

@ -52,11 +52,7 @@ static int tangier_write_fadt(struct acpi_ctx *ctx,
header->checksum = table_compute_checksum(fadt, header->length);
acpi_add_table(ctx, fadt);
acpi_inc(ctx, sizeof(struct acpi_fadt));
return 0;
return acpi_add_fadt(ctx, fadt);
}
ACPI_WRITER(5fadt, "FADT", tangier_write_fadt, 0);

7
include/acpi/acpi_table.h
View file

@ -883,6 +883,13 @@ void acpi_inc_align(struct acpi_ctx *ctx, uint amount);
*/
int acpi_add_table(struct acpi_ctx *ctx, void *table);
static inline int acpi_add_fadt(struct acpi_ctx *ctx, struct acpi_fadt *fadt)
{
acpi_add_table(ctx, fadt);
acpi_inc(ctx, sizeof(struct acpi_fadt));
return 0;
}
/**
* acpi_write_rsdp() - Write out an RSDP indicating where the ACPI tables are
*