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net: fec: disable correct clk in the err path of fec_enet_clk_enable 

When enable clk_ref failed, clk_ptp should be disabled rather than
clk_ref itself.

Signed-off-by: Liu Xiang <liuxiang_1999@126.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Liu Xiang 2020-05-29 23:24:56 +08:00 committed by David S. Miller
parent 0c34bb598c
commit a74d19ba7c
1 changed files with 6 additions and 2 deletions
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8
drivers/net/ethernet/freescale/fec_main.c
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@ -1981,8 +1981,12 @@ static int fec_enet_clk_enable(struct net_device *ndev, bool enable)
return 0;
failed_clk_ref:
if (fep->clk_ref)
clk_disable_unprepare(fep->clk_ref);
if (fep->clk_ptp) {
mutex_lock(&fep->ptp_clk_mutex);
clk_disable_unprepare(fep->clk_ptp);
fep->ptp_clk_on = false;
mutex_unlock(&fep->ptp_clk_mutex);
}
failed_clk_ptp:
if (fep->clk_enet_out)
clk_disable_unprepare(fep->clk_enet_out);