netdev - RE: [PATCH net v2 1/2] r8169: add handling DASH when DASH is disabled

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Message-ID: <12b7d629d07949eb9cf5472f860413db@realtek.com>
Date: Thu, 9 Nov 2023 16:20:29 +0000
From: Hau <hau@...ltek.com>
To: Paolo Abeni <pabeni@...hat.com>,
        "hkallweit1@...il.com"
	<hkallweit1@...il.com>
CC: nic_swsd <nic_swsd@...ltek.com>,
        "davem@...emloft.net"
	<davem@...emloft.net>,
        "edumazet@...gle.com" <edumazet@...gle.com>,
        "kuba@...nel.org" <kuba@...nel.org>,
        "netdev@...r.kernel.org"
	<netdev@...r.kernel.org>,
        "linux-kernel@...r.kernel.org"
	<linux-kernel@...r.kernel.org>,
        "stable@...r.kernel.org"
	<stable@...r.kernel.org>
Subject: RE: [PATCH net v2 1/2] r8169: add handling DASH when DASH is disabled

> You should include the fixes tag you already added in v1 and your Sob should
> come as the last tag
> 
> The same applies to the next patch
> 
I forget to add Fixes tag. I will add it back.

> > Reviewed-by: Heiner Kallweit <hkallweit1@...il.com>
> 
> It's not clear where/when Heiner provided the above tag for this patch.
> I hope that was off-list.
I may misunderstanding what he means. I will not add this tag in my next patch.

> 
> > Cc: stable@...r.kernel.org
> > ---
> >  drivers/net/ethernet/realtek/r8169_main.c | 35
> > ++++++++++++++++-------
> >  1 file changed, 25 insertions(+), 10 deletions(-)
> >
> > diff --git a/drivers/net/ethernet/realtek/r8169_main.c
> > b/drivers/net/ethernet/realtek/r8169_main.c
> > index 0c76c162b8a9..108dc75050ba 100644
> > --- a/drivers/net/ethernet/realtek/r8169_main.c
> > +++ b/drivers/net/ethernet/realtek/r8169_main.c
> > @@ -624,6 +624,7 @@ struct rtl8169_private {
> >
> >       unsigned supports_gmii:1;
> >       unsigned aspm_manageable:1;
> > +     unsigned dash_enabled:1;
> >       dma_addr_t counters_phys_addr;
> >       struct rtl8169_counters *counters;
> >       struct rtl8169_tc_offsets tc_offset; @@ -1253,14 +1254,26 @@
> > static bool r8168ep_check_dash(struct rtl8169_private *tp)
> >       return r8168ep_ocp_read(tp, 0x128) & BIT(0);  }
> >
> > -static enum rtl_dash_type rtl_check_dash(struct rtl8169_private *tp)
> > +static bool rtl_dash_is_enabled(struct rtl8169_private *tp) {
> > +     switch (tp->dash_type) {
> > +     case RTL_DASH_DP:
> > +             return r8168dp_check_dash(tp);
> > +     case RTL_DASH_EP:
> > +             return r8168ep_check_dash(tp);
> > +     default:
> > +             return false;
> > +     }
> > +}
> > +
> > +static enum rtl_dash_type rtl_get_dash_type(struct rtl8169_private
> > +*tp)
> >  {
> >       switch (tp->mac_version) {
> >       case RTL_GIGA_MAC_VER_28:
> >       case RTL_GIGA_MAC_VER_31:
> > -             return r8168dp_check_dash(tp) ? RTL_DASH_DP : RTL_DASH_NONE;
> > +             return RTL_DASH_DP;
> >       case RTL_GIGA_MAC_VER_51 ... RTL_GIGA_MAC_VER_53:
> > -             return r8168ep_check_dash(tp) ? RTL_DASH_EP : RTL_DASH_NONE;
> > +             return RTL_DASH_EP;
> >       default:
> >               return RTL_DASH_NONE;
> >       }
> > @@ -1453,7 +1466,7 @@ static void __rtl8169_set_wol(struct
> > rtl8169_private *tp, u32 wolopts)
> >
> >       device_set_wakeup_enable(tp_to_dev(tp), wolopts);
> >
> > -     if (tp->dash_type == RTL_DASH_NONE) {
> > +     if (!tp->dash_enabled) {
> >               rtl_set_d3_pll_down(tp, !wolopts);
> >               tp->dev->wol_enabled = wolopts ? 1 : 0;
> >       }
> > @@ -2512,7 +2525,7 @@ static void rtl_wol_enable_rx(struct
> > rtl8169_private *tp)
> >
> >  static void rtl_prepare_power_down(struct rtl8169_private *tp)  {
> > -     if (tp->dash_type != RTL_DASH_NONE)
> > +     if (tp->dash_enabled)
> >               return;
> >
> >       if (tp->mac_version == RTL_GIGA_MAC_VER_32 || @@ -4869,7 +4882,7
> > @@ static int rtl8169_runtime_idle(struct device *device)  {
> >       struct rtl8169_private *tp = dev_get_drvdata(device);
> >
> > -     if (tp->dash_type != RTL_DASH_NONE)
> > +     if (tp->dash_enabled)
> >               return -EBUSY;
> >
> >       if (!netif_running(tp->dev) || !netif_carrier_ok(tp->dev)) @@
> > -4896,7 +4909,7 @@ static void rtl_shutdown(struct pci_dev *pdev)
> >       rtl_rar_set(tp, tp->dev->perm_addr);
> >
> >       if (system_state == SYSTEM_POWER_OFF &&
> > -         tp->dash_type == RTL_DASH_NONE) {
> > +             !tp->dash_enabled) {
> 
> Since you have to repost, please maintain the correct indentation
> above:
> 
>         if (system_state == SYSTEM_POWER_OFF &&
>             !tp->dash_enabled) {
> 
>         ^^^^
> spaces here.
I will correct the indentation. Thanks.