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-rw-r--r--include/acpi/pcc.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/acpi/pcc.h b/include/acpi/pcc.h
index 8caa79c61703..cd6ef45e614e 100644
--- a/include/acpi/pcc.h
+++ b/include/acpi/pcc.h
@@ -13,6 +13,7 @@
#include <linux/mailbox_controller.h>
#include <linux/mailbox_client.h>
+#define MAX_PCC_SUBSPACES 256
#ifdef CONFIG_PCC
extern struct mbox_chan *pcc_mbox_request_channel(struct mbox_client *cl,
int subspace_id);