[PATCH net v4 3/3] net: stmmac: fix unbalanced ptp clock issue in suspend/resume flow

[Biao Huang]

Dear Jakub,
	Thanks for your comments~

On Wed, 2022-07-13 at 20:39 -0700, Jakub Kicinski wrote:
> 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;
>             ^
OK, I'll fix it in next send.

Best Regards!
Biao