[Macchiato] Latest EFI hangs writing efivars

[Marcin Wojtas]

Hi Riku,

Thanks, I will take a look.

Best regards,
Marcin

2018-04-20 9:37 GMT+02:00 Riku Voipio <riku.voipio at linaro.org>:

> On 19 April 2018 at 19:52, Marcin Wojtas <mw at semihalf.com> wrote:
> > Hi Ard,
> >
> > Hm, my dtb update fixing (or rather working around EFI var access hang)
> was
> > done by adding clk entry to one of i2c nodes, sharing same clock. After
> that
> > I did not observe hang with efibootmgr and 'apt install grub-efi-arm64'.
> >
> > I think there's a big chance, that the installer does not initialize i2c
> > driver... I'll try if clk_ignore_unused helps for the installation hang
> > (it's the last stage of it...) if yes, I think more proper fix should be
> > applied in the variable driver then.
>
> I got another report that installation fails at grub-install stage. It
> would indeed seem better the efi variable driver doesn't trust the OS
> to have spi clock set up.
>
> Riku
>
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