[PATCH v2 net-next] net: ethernet: mtk_eth_soc: log clock enable errors

[Lorenz Brun]

Currently errors in clk_prepare_enable are silently swallowed.
Add a log stating which clock failed to be enabled and what the error
code was.

Signed-off-by: Lorenz Brun <lorenz at brun.one>
---
v2: reflowed long line
---
 drivers/net/ethernet/mediatek/mtk_eth_soc.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
index e14050e17862..ced12e5b7b32 100644
--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c
+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
@@ -3445,8 +3445,11 @@ static int mtk_clk_enable(struct mtk_eth *eth)
 
 	for (clk = 0; clk < MTK_CLK_MAX ; clk++) {
 		ret = clk_prepare_enable(eth->clks[clk]);
-		if (ret)
+		if (ret) {
+			dev_err(eth->dev, "enabling clock %s failed with error %d\n",
+				mtk_clks_source_name[clk], ret);
 			goto err_disable_clks;
+		}
 	}
 
 	return 0;
-- 
2.39.2