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-rw-r--r--drivers/ata/libahci.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/ata/libahci.c b/drivers/ata/libahci.c
index 284a176076f5..402967902cbe 100644
--- a/drivers/ata/libahci.c
+++ b/drivers/ata/libahci.c
@@ -496,8 +496,8 @@ void ahci_save_initial_config(struct device *dev, struct ahci_host_priv *hpriv)
}
}
- /* fabricate port_map from cap.nr_ports */
- if (!port_map) {
+ /* fabricate port_map from cap.nr_ports for < AHCI 1.3 */
+ if (!port_map && vers < 0x10300) {
port_map = (1 << ahci_nr_ports(cap)) - 1;
dev_warn(dev, "forcing PORTS_IMPL to 0x%x\n", port_map);