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-rw-r--r--drivers/ata/ahci.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/ata/ahci.h b/drivers/ata/ahci.h
index 0570629d719d..3dbf398c92ea 100644
--- a/drivers/ata/ahci.h
+++ b/drivers/ata/ahci.h
@@ -247,6 +247,8 @@ enum {
ATA_FLAG_ACPI_SATA | ATA_FLAG_AN,
ICH_MAP = 0x90, /* ICH MAP register */
+ PCS_6 = 0x92, /* 6 port PCS */
+ PCS_7 = 0x94, /* 7+ port PCS (Denverton) */
/* em constants */
EM_MAX_SLOTS = 8,