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arm: simplify updating ACPI table header checksum

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Use acpi_update_checksum() to update table header.

Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Reviewed-by: Matthias Brugger <mbrugger@suse.com>
This commit is contained in:
Heinrich Schuchardt
2025-03-22 00:21:20 +01:00
committed by Tom Rini
parent 5eca1696d2
commit fecc50b051
2 changed files with 3 additions and 3 deletions
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4
arch/arm/mach-bcm283x/bcm2711_acpi.c
View File

@@ -81,7 +81,7 @@ static int acpi_write_pptt(struct acpi_ctx *ctx, const struct acpi_writer *entry
} }
header->length = ctx->current - ctx->tab_start; header->length = ctx->current - ctx->tab_start;
header->checksum = table_compute_checksum(header, header->length); acpi_update_checksum(header);
acpi_inc(ctx, header->length); acpi_inc(ctx, header->length);
acpi_add_table(ctx, header); acpi_add_table(ctx, header);
@@ -116,7 +116,7 @@ static int rpi_write_gtdt(struct acpi_ctx *ctx, const struct acpi_writer *entry)
gtdt->el2_flags = GTDT_FLAG_INT_ACTIVE_LOW; gtdt->el2_flags = GTDT_FLAG_INT_ACTIVE_LOW;
gtdt->cnt_read_base = 0xffffffffffffffff; gtdt->cnt_read_base = 0xffffffffffffffff;
header->checksum = table_compute_checksum(header, header->length); acpi_update_checksum(header);
acpi_add_table(ctx, gtdt); acpi_add_table(ctx, gtdt);

2
board/raspberrypi/rpi/rpi.c
View File

@@ -791,7 +791,7 @@ static int rpi_acpi_write_ssdt(struct acpi_ctx *ctx, const struct acpi_writer *e
/* (Re)calculate length and checksum */ /* (Re)calculate length and checksum */
ssdt->length = ctx->current - (void *)ssdt; ssdt->length = ctx->current - (void *)ssdt;
ssdt->checksum = table_compute_checksum((void *)ssdt, ssdt->length); acpi_update_checksum(ssdt);
log_debug("SSDT at %p, length %x\n", ssdt, ssdt->length); log_debug("SSDT at %p, length %x\n", ssdt, ssdt->length);
/* Drop the table if it is empty */ /* Drop the table if it is empty */