[PATCH net] stmmac: dwmac-mediatek: fix clock issue

From: Biao Huang
Date: Fri Jul 08 2022 - 02:17:50 EST


Since clocks are handled in mediatek_dwmac_clks_config(),
remove the duplicated clocks configuration in init()/exit().

This issue is found in suspend/resume test.

Fixes: 3186bdad97d5 ("stmmac: dwmac-mediatek: add platform level clocks management")
Signed-off-by: Biao Huang <biao.huang@xxxxxxxxxxxx>
---
.../ethernet/stmicro/stmmac/dwmac-mediatek.c | 22 +------------------
1 file changed, 1 insertion(+), 21 deletions(-)

diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-mediatek.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-mediatek.c
index 6ff88df58767..8eaaf14047b4 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-mediatek.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-mediatek.c
@@ -576,32 +576,12 @@ static int mediatek_dwmac_init(struct platform_device *pdev, void *priv)
}
}

- ret = clk_bulk_prepare_enable(variant->num_clks, plat->clks);
- if (ret) {
- dev_err(plat->dev, "failed to enable clks, err = %d\n", ret);
- return ret;
- }
-
- ret = clk_prepare_enable(plat->rmii_internal_clk);
- if (ret) {
- dev_err(plat->dev, "failed to enable rmii internal clk, err = %d\n", ret);
- goto err_clk;
- }
-
return 0;
-
-err_clk:
- clk_bulk_disable_unprepare(variant->num_clks, plat->clks);
- return ret;
}

static void mediatek_dwmac_exit(struct platform_device *pdev, void *priv)
{
- struct mediatek_dwmac_plat_data *plat = priv;
- const struct mediatek_dwmac_variant *variant = plat->variant;
-
- clk_disable_unprepare(plat->rmii_internal_clk);
- clk_bulk_disable_unprepare(variant->num_clks, plat->clks);
+ /* nothing to do now */
}

static int mediatek_dwmac_clks_config(void *priv, bool enabled)
--
2.25.1