hi, i applied the same fix in u-boot for M2-Ultra (R40). I have compiled and copied u-boot and now it works without problems.
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/diff/arch/arm/boot/dts/sun8i-v40-bananapi-m2-berry.dts?h=next-20201109&id=f613d2e880d29b9d16eea70043c0a631f7c0479b El lunes, 9 de noviembre de 2020 a las 0:17:36 UTC-3, Chen-Yu Tsai escribió: > For this board, there is another issue regarding regulators. > The fix is still being discussed. See > > https://lore.kernel.org/lkml/20201021183149.GA8436@Red/t/ > > > On Tue, Oct 20, 2020 at 5:22 AM JuanEsf <juan...@gmail.com> wrote: > > > > Hi! > > In BananaPi-M2 Ultra also the problem occurred when updating to the > kernel. but I can't establish a connection > > El lunes, 19 de octubre de 2020 a las 1:14:46 UTC-3, Chen-Yu Tsai > escribió: > >> > >> On Sat, Oct 17, 2020 at 3:08 AM Jernej Škrabec <jernej....@gmail.com> > wrote: > >> > > >> > Dne petek, 16. oktober 2020 ob 20:44:38 CEST je Marc Haber napisal(a): > >> > > Hi Jernej, > >> > > > >> > > On Thu, Oct 15, 2020 at 09:23:37PM +0200, Jernej Škrabec wrote: > >> > > > Dne četrtek, 15. oktober 2020 ob 21:11:39 CEST je Marc Haber > napisal(a): > >> > > > > when I boot my Banana Pi (with Debian buster installed) with > kernel 5.9, > >> > > > > the network interface doesn't work too well. Packet loss of > more than > >> > > > > 50 %, machine nearly unuseable. Going back to 5.8.13 fixes the > issue, > >> > > > > going forward to 5.9 again makes the issue reappear. > >> > > > > > >> > > > > Does anybody have a good guess what to try first before going > the > >> > > > > "implant 5.8.13 stmmac driver to 5.9, maybe bisect" route? > >> > > > > >> > > > Try to revert > https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/ > >> > > > > linux.git/commit/?h=v5.9&id=bbc4d71d63549bcd003a430de18a72a742d8c91e > >> > > > > >> > > > This commit was found to cause issue on Beelink GS1 (Allwinner > H6) which > >> > > > has RTL8211e PHY. Since Banana Pi have same PHY, it might cause > issue > >> > > > there too. > >> > > Reverting this commit does actually help here. Will there be a fix > in > >> > > Greg's kernel releases? > >> > > >> > I have no clue. I don't have any problematic board, I just spotted > commit when > >> > rebasing my kernel and suggested as a possible reason. I suggest that > you > >> > contact all people involved in that commit (including relevant > mailing lists) > >> > and explain the issue. Given that this commit is the fix, it's > possible that it > >> > just uncovered another issue. > >> > >> The proper fix now is to check the schematics, and change the phy-mode > property > >> to the correct type. It used to be that we used "rgmii" for all RGMII > PHYs. > >> > >> Turns out there are four modes of RGMII, depending on whether the MAC > or PHY > >> enable TX / RX signal delays. > >> > >> Most boards in sunxi are designed so that the PHY is providing both TX > and RX > >> delays, which is done by pulling up the TXDLY and RXDLY pins at power > up. > >> > >> The commit "net: phy: realtek: fix rtl8211e rx/tx delay config" fixes > the PHY > >> driver so that it will correctly "reconfigure" the PHY to the requested > mode. > >> Previously this was not happening due to incorrect register definitions. > >> > >> To summarize, the PHY driver fix exposes errors in our DTs. > >> > >> > >> Regards > >> ChenYu > > > > -- > > You received this message because you are subscribed to the Google > Groups "linux-sunxi" group. > > To unsubscribe from this group and stop receiving emails from it, send > an email to linux-sunxi...@googlegroups.com. > > To view this discussion on the web, visit > https://groups.google.com/d/msgid/linux-sunxi/83697565-cbff-4198-8a9b-12d2a7fb133en%40googlegroups.com > . > -- You received this message because you are subscribed to the Google Groups "linux-sunxi" group. To unsubscribe from this group and stop receiving emails from it, send an email to linux-sunxi+unsubscr...@googlegroups.com. To view this discussion on the web, visit https://groups.google.com/d/msgid/linux-sunxi/279de63a-a542-4e20-9f5e-f94ccc9d82a9n%40googlegroups.com.
