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

From: Lorenz Brun
Date: Wed May 10 2023 - 14:14:15 EST


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@xxxxxxxx>
---
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