linux-kernel - Re: [PATCH v1 0/9] Fix Allwinner D1 boot regression

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Message-ID: <mhng-e2f36a06-7e9e-47bb-8120-126f1a4441f5@palmer-ri-x1c9>
Date: Sun, 18 Aug 2024 07:47:10 -0700 (PDT)
From: Palmer Dabbelt <palmer@...belt.com>
To: Renner Berthing <emil.renner.berthing@...onical.com>
CC: linux-kernel@...r.kernel.org, linux-riscv@...ts.infradead.org,
  apatel@...tanamicro.com, tglx@...utronix.de, Paul Walmsley <paul.walmsley@...ive.com>,
  samuel.holland@...ive.com, aou@...s.berkeley.edu
Subject:     Re: [PATCH v1 0/9] Fix Allwinner D1 boot regression

On Wed, 14 Aug 2024 07:56:32 PDT (-0700), Renner Berthing wrote:
> Hi Anup,
>
> As described in the thread below[1] I haven't been able to boot my
> boards based on the Allwinner D1 SoC since 6.9 where you converted the
> SiFive PLIC driver to a platform driver.
>
> This is clearly a regression and there haven't really been much progress
> on fixing the issue since then, so here is the revert that fixes it.
>
> If no other fix is found before 6.11 I suggest we apply this.
>
> [1]: https://lore.kernel.org/linux-riscv/CAJM55Z9hGKo4784N3s3DhWw=nMRKZKcmvZ58x7uVBghExhoc9A@mail.gmail.com/
>
> /Emil
>
> Emil Renner Berthing (9):
>   Revert "irqchip/sifive-plic: Chain to parent IRQ after handlers are
>     ready"
>   Revert "irqchip/sifive-plic: Avoid explicit cpumask allocation on
>     stack"
>   Revert "irqchip/sifive-plic: Improve locking safety by using
>     irqsave/irqrestore"
>   Revert "irqchip/sifive-plic: Parse number of interrupts and contexts
>     early in plic_probe()"
>   Revert "irqchip/sifive-plic: Cleanup PLIC contexts upon irqdomain
>     creation failure"
>   Revert "irqchip/sifive-plic: Use riscv_get_intc_hwnode() to get parent
>     fwnode"
>   Revert "irqchip/sifive-plic: Use devm_xyz() for managed allocation"
>   Revert "irqchip/sifive-plic: Use dev_xyz() in-place of pr_xyz()"
>   Revert "irqchip/sifive-plic: Convert PLIC driver into a platform
>     driver"
>
>  drivers/irqchip/irq-sifive-plic.c | 296 ++++++++++++------------------
>  1 file changed, 117 insertions(+), 179 deletions(-)

I'm still only testing on the QEMU-emulated platforms, but this isn't 
regressing over there so

Tested-by: Palmer Dabbelt <palmer@...osinc.com> # QEMU

Thanks!