net: macb: check clk_set_rate return value to be negative

clk_set_rate() returns the set rate in case of success and a
negative number in case of failure. Consider failure only the
negative numbers.

Fixes: 3ef64444de ("dm: net: macb: Implement link speed change callback")
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
This commit is contained in:
Claudiu Beznea 2021-01-19 13:26:45 +02:00 committed by Eugen Hristev
parent bb890f75d5
commit 96449581b3

View file

@ -631,7 +631,7 @@ int __weak macb_linkspd_cb(struct udevice *dev, unsigned int speed)
if (tx_clk.dev) {
ret = clk_set_rate(&tx_clk, rate);
if (ret)
if (ret < 0)
return ret;
}
#endif