Merge SCSI misc branch into isci-for-3.6 tag

[firefly-linux-kernel-4.4.55.git] / drivers / scsi / scsi_scan.c

diff --git a/drivers/scsi/scsi_scan.c b/drivers/scsi/scsi_scan.c
index 0a224e29c3f1c6d14f6676ab526198d860590b99..3e58b2245f1fe2526aba4f55aef2a789ce74700d 100644 (file)
--- a/drivers/scsi/scsi_scan.c
+++ b/drivers/scsi/scsi_scan.c
@@ -764,6 +764,16 @@ static int scsi_add_lun(struct scsi_device *sdev, unsigned char *inq_result,
        sdev->model = (char *) (sdev->inquiry + 16);
        sdev->rev = (char *) (sdev->inquiry + 32);
 
+       if (strncmp(sdev->vendor, "ATA     ", 8) == 0) {
+               /*
+                * sata emulation layer device.  This is a hack to work around
+                * the SATL power management specifications which state that
+                * when the SATL detects the device has gone into standby
+                * mode, it shall respond with NOT READY.
+                */
+               sdev->allow_restart = 1;
+       }
+
        if (*bflags & BLIST_ISROM) {
                sdev->type = TYPE_ROM;
                sdev->removable = 1;