[OpenWrt-Devel] kernel: bump 4.19 to 4.19.72 broke ath79

Dmitry Tunin hanipouspilot at gmail.com
Sat Sep 14 11:39:09 EDT 2019


Thx. It is fixed now

сб, 14 сент. 2019 г. в 18:36, Koen Vandeputte <koen.vandeputte at ncentric.com>:
>
>
> On 14-09-19 12:47, Magnus Kroken wrote:
> > Hi Andre
> >
> > On 14.09.2019 10:49, Andre Valentin wrote:
> >> It seems the kernel bump broke ath79 compilation. The problem lies in
> >> target/linux/ath79/patches-4.19/0028-MIPS-ath79-drop-machfiles.patch
> >>
> >> It cannot be applied anymore. I tried a quick fix, but there seems to
> >> be a bigger change.
> >
> > The culprit isn't the kernel update, but this commit:
> > 00d48bcac0 ar71xx: Fix potentially missed IRQ handling during dispatch
> >
> > Koen (or anyone else), can you shed some light on this one? I mostly
> > poke at kernel patches until something happens, I don't really
> > understand hardware/kernel well. Some things jump out:
> >
> Hi,
>
> Sorry about that.
>
> ath79 contained a patch which removes the legacy irq code, which is
> being altered in the fix.
>
> Hence the patch during build of ath79 didn't apply.
>
> I didn't notice it, as this removal was only upstreamed in 5.0 and it's
> strictly not needed to remove it, as it's simply unused over there.
>
> Fixes has been pushed for master and 19.07.
>
> Regards,
>
> Koen
>
> > 1. The commit message is labeled ar71xx, but the patch is applied to
> > the generic target. It patches kernel files that IIUC are used by both
> > ath79 and ar71xx targets.
> > 2. It modifies arch/mips/ath79/irq.c. The patch that fails on ath79,
> > 0027-MIPS-ath79-drop-legacy-IRQ-code, deletes this file completely
> > (which now fails, as the file content is changed by
> > 343-MIPS-ath79-Fix-potentially-missed-IRQ-handling-durin.patch).
> >
> >> Kind regards,
> >>
> >> André
> >
> > Regards,
> > Magnus Kroken
>
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