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SubjectRe: [PATCH net v4 3/3] net: stmmac: fix unbalanced ptp clock issue in suspend/resume flow
On Wed, 13 Jul 2022 18:10:02 +0800 Biao Huang wrote:
> diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
> index 197fac587ad5..c230b8b9aab1 100644
> --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
> +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
> @@ -839,14 +839,6 @@ int stmmac_init_tstamp_counter(struct stmmac_priv *priv, u32 systime_flags)
> if (!(priv->dma_cap.time_stamp || priv->dma_cap.atime_stamp))
> return -EOPNOTSUPP;
>
> - ret = clk_prepare_enable(priv->plat->clk_ptp_ref);
> - if (ret < 0) {
> - netdev_warn(priv->dev,
> - "failed to enable PTP reference clock: %pe\n",
> - ERR_PTR(ret));
> - return ret;
> - }
> -
> stmmac_config_hw_tstamping(priv, priv->ptpaddr, systime_flags);
> priv->systime_flags = systime_flags;
>


drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:837:6: warning: unused variable 'ret' [-Wunused-variable]
int ret;
^

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