serial: bcm283x_mu: Detect disabled serial device

[people/ms/u-boot.git] / drivers / serial / serial_bcm283x_mu.c

diff --git a/drivers/serial/serial_bcm283x_mu.c b/drivers/serial/serial_bcm283x_mu.c
index 7357bbfb26798ade1fb228140bcfd7f6e25bf052..f4e062f0c4e18b2581ca73ce4d5ff0fb7c510ae3 100644 (file)
--- a/drivers/serial/serial_bcm283x_mu.c
+++ b/drivers/serial/serial_bcm283x_mu.c
@@ -73,6 +73,9 @@ static int bcm283x_mu_serial_probe(struct udevice *dev)
        struct bcm283x_mu_serial_platdata *plat = dev_get_platdata(dev);
        struct bcm283x_mu_priv *priv = dev_get_priv(dev);
 
+       if (plat->disabled)
+               return -ENODEV;
+
        priv->regs = (struct bcm283x_mu_regs *)plat->base;
 
        return 0;