nvme: log additional message for controller status

Log the controller status to know more about issue if it
lies within kernel nvme subsytem or controller is unhealthy.

Signed-off-by: Rupesh Girase <[email protected]>
Reviewed-by: Sagi Grimberg <[email protected]>
Reviewed-by: Chaitanya Kulkarni <[email protected]>
Signed-off-by: Keith Busch <[email protected]>

Author: rgirasegit

drivers/nvme/host/core.c

@@ -2083,8 +2083,8 @@ static int nvme_wait_ready(struct nvme_ctrl *ctrl, u64 cap, bool enabled)
 			return -EINTR;
 		if (time_after(jiffies, timeout)) {
 			dev_err(ctrl->device,
-				"Device not ready; aborting %s\n", enabled ?
-						"initialisation" : "reset");
+				"Device not ready; aborting %s, CSTS=0x%x\n",
+				enabled ? "initialisation" : "reset", csts);
 			return -ENODEV;
 		}
 	}