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x86: nhlt: Fix a few bugs in the table generation

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At present these tables do not have the correct header, and there is an
occasional incorrect value due to uninited data. Fix these bugs.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
This commit is contained in:
Simon Glass 2020-11-04 09:57:27 -07:00 committed by Bin Meng
parent a87fff80ee
commit 8bcfb7917a
1 changed files with 3 additions and 1 deletions
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4
arch/x86/lib/acpi_nhlt.c
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@ -68,6 +68,7 @@ struct nhlt_endpoint *nhlt_add_endpoint(struct nhlt *nhlt, int link_type,
endp->device_type = device_type; endp->device_type = device_type;
endp->direction = dir; endp->direction = dir;
endp->virtual_bus_id = DEFAULT_VIRTUAL_BUS_ID; endp->virtual_bus_id = DEFAULT_VIRTUAL_BUS_ID;
endp->num_formats = 0;
nhlt->num_endpoints++; nhlt->num_endpoints++;
@ -395,7 +396,7 @@ int nhlt_serialise_oem_overrides(struct acpi_ctx *ctx, struct nhlt *nhlt,
/* Create header */ /* Create header */
header = (void *)ctx->current; header = (void *)ctx->current;
memset(header, '\0', sizeof(struct acpi_table_header)); memset(header, '\0', sizeof(struct acpi_table_header));
acpi_fill_header(header, "NHLT"); memcpy(header->signature, "NHLT", 4);
header->length = sz; header->length = sz;
header->revision = acpi_get_table_revision(ACPITAB_NHLT); header->revision = acpi_get_table_revision(ACPITAB_NHLT);
@ -408,6 +409,7 @@ int nhlt_serialise_oem_overrides(struct acpi_ctx *ctx, struct nhlt *nhlt,
memcpy(header->oem_table_id, oem_table_id, oem_table_id_len); memcpy(header->oem_table_id, oem_table_id, oem_table_id_len);
} }
header->oem_revision = oem_revision; header->oem_revision = oem_revision;
memcpy(header->aslc_id, ASLC_ID, 4);
cur.buf = (void *)(header + 1); cur.buf = (void *)(header + 1);
cur.start = (void *)header; cur.start = (void *)header;