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-rw-r--r--drivers/scsi/ahci.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/scsi/ahci.c b/drivers/scsi/ahci.c
index 0c5f0c8..ff48066 100644
--- a/drivers/scsi/ahci.c
+++ b/drivers/scsi/ahci.c
@@ -549,6 +549,12 @@ static int ahci_softreset(struct ata_port *ap, int verbose, unsigned int *class)
DPRINTK("ENTER\n");
+ if (!sata_dev_present(ap)) {
+ DPRINTK("PHY reports no device\n");
+ *class = ATA_DEV_NONE;
+ return 0;
+ }
+
/* prepare for SRST (AHCI-1.1 10.4.1) */
rc = ahci_stop_engine(ap);
if (rc) {
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