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authorUwe Kleine-König <u.kleine-koenig@pengutronix.de>2022-05-20 08:26:50 +0200
committerDavid S. Miller <davem@davemloft.net>2022-05-22 21:49:21 +0100
commit5ff851b7be752a6d607c289b489c40f96f9dc489 (patch)
tree9d40efa683842e3744e694c82d722180e2bcd86e /drivers
parent621427fbdada788f18f77238e1c36f463c2cb9d1 (diff)
downloadlinux-5ff851b7be752a6d607c289b489c40f96f9dc489.tar.bz2
net: fec: Do proper error checking for enet_out clk
An error code returned by devm_clk_get() might have other meanings than "This clock doesn't exist". So use devm_clk_get_optional() and handle all remaining errors as fatal. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/ethernet/freescale/fec_main.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c
index 3cb298f1d69c..9d7ef993ce45 100644
--- a/drivers/net/ethernet/freescale/fec_main.c
+++ b/drivers/net/ethernet/freescale/fec_main.c
@@ -3866,9 +3866,11 @@ fec_probe(struct platform_device *pdev)
fep->itr_clk_rate = clk_get_rate(fep->clk_ahb);
/* enet_out is optional, depends on board */
- fep->clk_enet_out = devm_clk_get(&pdev->dev, "enet_out");
- if (IS_ERR(fep->clk_enet_out))
- fep->clk_enet_out = NULL;
+ fep->clk_enet_out = devm_clk_get_optional(&pdev->dev, "enet_out");
+ if (IS_ERR(fep->clk_enet_out)) {
+ ret = PTR_ERR(fep->clk_enet_out);
+ goto failed_clk;
+ }
fep->ptp_clk_on = false;
mutex_init(&fep->ptp_clk_mutex);