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Date: Wed, 19 Jan 2022 19:13:24 +0300 From: Arınç ÜNAL <arinc.unal@...nc9.com> To: DENG Qingfang <dqfext@...il.com>, netdev <netdev@...r.kernel.org>, Matthias Brugger <matthias.bgg@...il.com>, Siddhant Gupta <siddhantgupta416@...il.com>, Ilya Lipnitskiy <ilya.lipnitskiy@...il.com>, Sergio Paracuellos <sergio.paracuellos@...il.com>, "moderated list:ARM/Mediatek SoC support" <linux-mediatek@...ts.infradead.org>, Felix Fietkau <nbd@....name>, John Crispin <john@...ozen.org>, Sean Wang <sean.wang@...iatek.com>, Mark Lee <Mark-MC.Lee@...iatek.com>, Russell King <linux@...linux.org.uk>, Jakub Kicinski <kuba@...nel.org>, David Miller <davem@...emloft.net>, René van Dorst <opensource@...rst.com> Cc: openwrt-devel@...ts.openwrt.org Subject: Re: MT7621 ethernet does not get probed on net-next branch after 5.15 merge This is fixed with the patch series (yet to be applied upstream) in the link below. https://lore.kernel.org/all/20220110114930.1406665-1-sergio.paracuellos@gmail.com/ On 15/10/2021 17:23, DENG Qingfang wrote: > Hi, > > After the merge of 5.15.y into net-next, MT7621 ethernet > (mtk_eth_soc.c) does not get probed at all. > > Kernel log before 5.15 merge: > ... > libphy: Fixed MDIO Bus: probed > libphy: mdio: probed > mt7530 mdio-bus:1f: MT7530 adapts as multi-chip module > mtk_soc_eth 1e100000.ethernet eth0: mediatek frame engine at 0xbe100000, irq 20 > mt7621-pci 1e140000.pcie: host bridge /pcie@...40000 ranges: > ... > > Kernel log after 5.15 merge: > ... > libphy: Fixed MDIO Bus: probed > mt7621-pci 1e140000.pcie: host bridge /pcie@...40000 ranges: > ... > > > I tried adding debug prints into the .mtk_probe function, but it did > not execute. > There are no dts changes for MT7621 between 5.14 and 5.15, so I > believe it should be something else. > > Any ideas? >
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