netdev - Re: [PATCH net-next v2 00/14] net: stmmac: SerDes, PCS, BASE-X, and inband goodies

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Message-ID: <aXQPZfRQl2wpQ3Sx@shell.armlinux.org.uk>
Date: Sat, 24 Jan 2026 00:16:37 +0000
From: "Russell King (Oracle)" <linux@...linux.org.uk>
To: Vladimir Oltean <olteanv@...il.com>
Cc: Andrew Lunn <andrew@...n.ch>,
	Alexandre Torgue <alexandre.torgue@...s.st.com>,
	Andrew Lunn <andrew+netdev@...n.ch>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>,
	Konrad Dybcio <konrad.dybcio@....qualcomm.com>,
	linux-arm-kernel@...ts.infradead.org, linux-arm-msm@...r.kernel.org,
	linux-phy@...ts.infradead.org,
	linux-stm32@...md-mailman.stormreply.com,
	Mohd Ayaan Anwar <mohd.anwar@....qualcomm.com>,
	Neil Armstrong <neil.armstrong@...aro.org>, netdev@...r.kernel.org,
	Paolo Abeni <pabeni@...hat.com>, Vinod Koul <vkoul@...nel.org>
Subject: Re: [PATCH net-next v2 00/14] net: stmmac: SerDes, PCS, BASE-X, and
 inband goodies

On Sat, Jan 24, 2026 at 02:04:09AM +0200, Vladimir Oltean wrote:
> On Fri, Jan 23, 2026 at 11:13:26AM +0000, Russell King (Oracle) wrote:
> > According to patchwork, this doesn't apply to net-next. That's odd,
> > it was generated on last night's net next, and although there has been
> > further work, it rebases cleanly on top of this morning's. How can
> > these changes:
> > 
> >  drivers/net/ethernet/stmicro/stmmac/dwmac-imx.c   |  6 +++++-
> >  drivers/net/ethernet/stmicro/stmmac/stmmac_main.c | 20 ++++++++++++++++----
> >  2 files changed, 21 insertions(+), 5 deletions(-)
> > 
> > which happened in net-next overnight result in this change in patch 1:
> > 
> >  drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c | 3 ---
> >  1 file changed, 3 deletions(-)
> > 
> > failing to apply?
> > 
> > No, patchwork is clearly wrong.
> 
> Conflicts with commit dc6597fab3e3 ("net: stmmac: dwmac-imx: keep
> preamble before sfd on i.MX8MP"), merged in the meantime.
> 
> In include/linux/stmmac.h (your commit "net: stmmac: add stmmac core
> serdes support" adds a "struct phy;" line, but that other commit
> modifies the context by inserting:
> 
> #define STMMAC_FLAG_KEEP_PREAMBLE_BEFORE_SFD	BIT(14)
> 
> (the last stmmac flag in your context, at patch generation time, was:
> #define STMMAC_FLAG_HWTSTAMP_CORRECT_LATENCY	BIT(13)
> )

I still maintain that this is silly - to mark all patches as such
and without any details about the problem applying the patches is
not helpful.

-- 
RMK's Patch system: https://www.armlinux.org.uk/developer/patches/
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