diff options
| author | Heinrich Schuchardt <heinrich.schuchardt@canonical.com> | 2025-03-22 00:21:18 +0100 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2025-04-08 15:22:56 -0600 |
| commit | e0055ac9bbd3059c961b1d7f98dcff276502c847 (patch) | |
| tree | 271c6a2dc12f96739a9495db3ac85e09ab95599d /arch/x86/lib/acpi_table.c | |
| parent | bbc78592b16d164fbb252455d6a60afb3ee52709 (diff) | |
x86/acpi: simplify updating header checksum
Use acpi_update_checksum() for updating ACPI table header checksum.
Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
Reviewed-by: Matthias Brugger <mbrugger@suse.com>
Diffstat (limited to 'arch/x86/lib/acpi_table.c')
| -rw-r--r-- | arch/x86/lib/acpi_table.c | 11 |
1 files changed, 4 insertions, 7 deletions
diff --git a/arch/x86/lib/acpi_table.c b/arch/x86/lib/acpi_table.c index 3186e48d63b..b13292c4150 100644 --- a/arch/x86/lib/acpi_table.c +++ b/arch/x86/lib/acpi_table.c @@ -173,7 +173,7 @@ int acpi_write_tcpa(struct acpi_ctx *ctx, const struct acpi_writer *entry) /* (Re)calculate length and checksum */ current = (u32)tcpa + sizeof(struct acpi_tcpa); header->length = current - (u32)tcpa; - header->checksum = table_compute_checksum(tcpa, header->length); + acpi_update_checksum(header); acpi_inc(ctx, tcpa->header.length); acpi_add_table(ctx, tcpa); @@ -242,7 +242,7 @@ static int acpi_write_tpm2(struct acpi_ctx *ctx, tpm2->lasa = nomap_to_sysmem(lasa); /* Calculate checksum. */ - header->checksum = table_compute_checksum(tpm2, header->length); + acpi_update_checksum(header); acpi_inc(ctx, tpm2->header.length); acpi_add_table(ctx, tpm2); @@ -279,9 +279,7 @@ int acpi_write_gnvs(struct acpi_ctx *ctx, const struct acpi_writer *entry) * patched the GNVS address. Set the checksum to zero since it * is part of the region being checksummed. */ - ctx->dsdt->checksum = 0; - ctx->dsdt->checksum = table_compute_checksum((void *)ctx->dsdt, - ctx->dsdt->length); + acpi_update_checksum(ctx->dsdt); } /* Fill in platform-specific global NVS variables */ @@ -330,8 +328,7 @@ static int acpi_create_hpet(struct acpi_hpet *hpet) hpet->number = 0; hpet->min_tick = 0; /* HPET_MIN_TICKS */ - header->checksum = table_compute_checksum(hpet, - sizeof(struct acpi_hpet)); + acpi_update_checksum(header); return 0; } |