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Date: Sat, 16 Jan 2021 16:59:14 -0800 From: Jakub Kicinski <kuba@...nel.org> To: Jan Kiszka <jan.kiszka@...mens.com>, Greg Kroah-Hartman <gregkh@...uxfoundation.org> Cc: Wong Vee Khee <vee.khee.wong@...el.com>, Giuseppe Cavallaro <peppe.cavallaro@...com>, Alexandre Torgue <alexandre.torgue@...com>, Jose Abreu <joabreu@...opsys.com>, "David S . Miller" <davem@...emloft.net>, Maxime Coquelin <mcoquelin.stm32@...il.com>, netdev@...r.kernel.org, linux-stm32@...md-mailman.stormreply.com, linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org, Ong Boon Leong <boon.leong.ong@...el.com>, Voon Wei Feng <weifeng.voon@...el.com>, stable@...r.kernel.org Subject: Re: [PATCH net-next 1/1] stmmac: intel: change all EHL/TGL to auto detect phy addr On Sat, 16 Jan 2021 10:12:21 +0100 Jan Kiszka wrote: > On 06.11.20 10:43, Wong Vee Khee wrote: > > From: Voon Weifeng <weifeng.voon@...el.com> > > > > Set all EHL/TGL phy_addr to -1 so that the driver will automatically > > detect it at run-time by probing all the possible 32 addresses. > > > > Signed-off-by: Voon Weifeng <weifeng.voon@...el.com> > > Signed-off-by: Wong Vee Khee <vee.khee.wong@...el.com> > > This fixes PHY detection on one of our EHL-based boards. Can this also > be applied to stable 5.10? Sure. Greg, we'd like to request a backport of the following commit to 5.10. commit bff6f1db91e330d7fba56f815cdbc412c75fe163 Author: Voon Weifeng <weifeng.voon@...el.com> Date: Fri Nov 6 17:43:41 2020 +0800 stmmac: intel: change all EHL/TGL to auto detect phy addr Set all EHL/TGL phy_addr to -1 so that the driver will automatically detect it at run-time by probing all the possible 32 addresses. Signed-off-by: Voon Weifeng <weifeng.voon@...el.com> Signed-off-by: Wong Vee Khee <vee.khee.wong@...el.com> Link: https://lore.kernel.org/r/20201106094341.4241-1-vee.khee.wong@intel.com Signed-off-by: Jakub Kicinski <kuba@...nel.org> It's relatively small, and Jan reports it makes his boards detect the PHY. The change went in via -next and into Linus's tree during the 5.11 merge window.
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