net: fec: drop check for clk==NULL before calling clk_*

clk_prepare, clk_enable and their counterparts (at least the common clk
ones, but also most others) do check for the clk being NULL anyhow (and
return 0 then), so there is no gain when the caller checks, too.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Acked-by: Fugang Duan <fugang.duan@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c
index 4ce8179aa4ffd5792ad8e12e65b42927ee4e1833..43b2839a3d1179de8abc9b2d05a88cc93f738849 100644 (file)
--- a/drivers/net/ethernet/freescale/fec_main.c
+++ b/drivers/net/ethernet/freescale/fec_main.c
@@ -1841,11 +1841,11 @@ static int fec_enet_clk_enable(struct net_device *ndev, bool enable)
                ret = clk_prepare_enable(fep->clk_ahb);
                if (ret)
                        return ret;
-               if (fep->clk_enet_out) {
-                       ret = clk_prepare_enable(fep->clk_enet_out);
-                       if (ret)
-                               goto failed_clk_enet_out;
-               }
+
+               ret = clk_prepare_enable(fep->clk_enet_out);
+               if (ret)
+                       goto failed_clk_enet_out;
+
                if (fep->clk_ptp) {
                        mutex_lock(&fep->ptp_clk_mutex);
                        ret = clk_prepare_enable(fep->clk_ptp);
@@ -1857,23 +1857,20 @@ static int fec_enet_clk_enable(struct net_device *ndev, bool enable)
                        }
                        mutex_unlock(&fep->ptp_clk_mutex);
                }
-               if (fep->clk_ref) {
-                       ret = clk_prepare_enable(fep->clk_ref);
-                       if (ret)
-                               goto failed_clk_ref;
-               }
+
+               ret = clk_prepare_enable(fep->clk_ref);
+               if (ret)
+                       goto failed_clk_ref;
        } else {
                clk_disable_unprepare(fep->clk_ahb);
-               if (fep->clk_enet_out)
-                       clk_disable_unprepare(fep->clk_enet_out);
+               clk_disable_unprepare(fep->clk_enet_out);
                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);
                }
-               if (fep->clk_ref)
-                       clk_disable_unprepare(fep->clk_ref);
+               clk_disable_unprepare(fep->clk_ref);
        }
 
        return 0;