net/wan/fsl_ucc_hdlc: allow ucc index up to 7

There is a need to allow higher indexes to be
able to support MPC83xx platforms. (UCC1-UCC8)

Signed-off-by: David Gounaris <david.gounaris@infinera.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/wan/fsl_ucc_hdlc.c b/drivers/net/wan/fsl_ucc_hdlc.c
index 5f0366a..f2252e8 100644 (file)
--- a/drivers/net/wan/fsl_ucc_hdlc.c
+++ b/drivers/net/wan/fsl_ucc_hdlc.c
@@ -1015,7 +1015,7 @@ static int ucc_hdlc_probe(struct platform_device *pdev)
        }
 
        ucc_num = val - 1;
-       if ((ucc_num > 3) || (ucc_num < 0)) {
+       if (ucc_num > (UCC_MAX_NUM - 1) || ucc_num < 0) {
                dev_err(&pdev->dev, ": Invalid UCC num\n");
                return -EINVAL;
        }