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-rw-r--r--drivers/thunderbolt/tb_regs.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/thunderbolt/tb_regs.h b/drivers/thunderbolt/tb_regs.h
index 82ac4ec8757f..75e935acade5 100644
--- a/drivers/thunderbolt/tb_regs.h
+++ b/drivers/thunderbolt/tb_regs.h
@@ -211,6 +211,10 @@ struct tb_regs_port_header {
} __packed;
+/* PCIe adapter registers */
+
+#define TB_PCI_EN BIT(31)
+
/* Hop register from TB_CFG_HOPS. 8 byte per entry. */
struct tb_regs_hop {
/* DWORD 0 */