Commit 4909e6df authored by Jeremy Linton's avatar Jeremy Linton Committed by Rafael J. Wysocki
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ACPI: tables: Simplify PPTT leaf node detection 



ACPI 6.3 bumps the PPTT table revision and adds a LEAF_NODE flag.

This allows us to avoid a second pass through the table to assure
that the node in question is a leaf.

Signed-off-by: default avatarJeremy Linton <jeremy.linton@arm.com>
Reviewed-by: default avatarSudeep Holla <sudeep.holla@arm.com>
Signed-off-by: default avatarRafael J. Wysocki <rafael.j.wysocki@intel.com>
parent d276709c

drivers/acpi/pptt.c

+3 −0
Original line number Original line Diff line number Diff line
@@ -209,6 +209,9 @@ static int acpi_pptt_leaf_node(struct acpi_table_header *table_hdr, 
	struct acpi_pptt_processor *cpu_node;

	struct acpi_pptt_processor *cpu_node;

	u32 proc_sz;

	u32 proc_sz;





	if (table_hdr->revision > 1)

		return (node->flags & ACPI_PPTT_ACPI_LEAF_NODE);



	table_end = (unsigned long)table_hdr + table_hdr->length;

	table_end = (unsigned long)table_hdr + table_hdr->length;

	node_entry = ACPI_PTR_DIFF(node, table_hdr);

	node_entry = ACPI_PTR_DIFF(node, table_hdr);

	entry = ACPI_ADD_PTR(struct acpi_subtable_header, table_hdr,

	entry = ACPI_ADD_PTR(struct acpi_subtable_header, table_hdr,

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