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-rw-r--r--drivers/ata/libahci.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/ata/libahci.c b/drivers/ata/libahci.c
index 6bd4f660b4e1..e1cf859876fe 100644
--- a/drivers/ata/libahci.c
+++ b/drivers/ata/libahci.c
@@ -457,6 +457,11 @@ void ahci_save_initial_config(struct device *dev,
cap |= HOST_CAP_FBS;
}
+ if ((cap & HOST_CAP_FBS) && (hpriv->flags & AHCI_HFLAG_NO_FBS)) {
+ dev_info(dev, "controller can't do FBS, turning off CAP_FBS\n");
+ cap &= ~HOST_CAP_FBS;
+ }
+
if (force_port_map && port_map != force_port_map) {
dev_info(dev, "forcing port_map 0x%x -> 0x%x\n",
port_map, force_port_map);