[PATCH 2/2] net: dsa: b53: Print err message on SW_RST timeout

[Paul Barker]

This allows us to differentiate between the possible failure modes of
b53_switch_reset() by looking at the dmesg output.

Signed-off-by: Paul Barker <pbar...@konsulko.com>
---
 drivers/net/dsa/b53/b53_common.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/net/dsa/b53/b53_common.c b/drivers/net/dsa/b53/b53_common.c
index c2ecb1cdef3f..26fcff85d881 100644
--- a/drivers/net/dsa/b53/b53_common.c
+++ b/drivers/net/dsa/b53/b53_common.c
@@ -765,8 +765,11 @@ static int b53_switch_reset(struct b53_device *dev)
                        usleep_range(1000, 2000);
                } while (timeout-- > 0);
 
-               if (timeout == 0)
+               if (timeout == 0) {
+                       dev_err(dev->dev,
+                               "Timeout waiting for SW_RST to clear!\n");
                        return -ETIMEDOUT;
+               }
        }
 
        b53_read8(dev, B53_CTRL_PAGE, B53_SWITCH_MODE, &mgmt);
-- 
2.28.0