From: Thomas Gleixner <tglx@linutronix.de>
To: Samuel Holland <samuel.holland@sifive.com>,
Anup Patel <apatel@ventanamicro.com>,
Emil Renner Berthing <emil.renner.berthing@canonical.com>
Cc: linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org,
Paul Walmsley <paul.walmsley@sifive.com>,
Palmer Dabbelt <palmer@dabbelt.com>,
Albert Ou <aou@eecs.berkeley.edu>,
Daniel Lezcano <daniel.lezcano@linaro.org>
Subject: Re: [PATCH v1 0/9] Fix Allwinner D1 boot regression
Date: Thu, 15 Aug 2024 17:14:45 +0200 [thread overview]
Message-ID: <87ed6pn7h6.ffs@tglx> (raw)
In-Reply-To: <be1db8f5-af55-48a4-be7a-5e8a1a5e25c4@sifive.com>
On Thu, Aug 15 2024 at 09:41, Samuel Holland wrote:
> On 2024-08-15 9:16 AM, Anup Patel wrote:
>> Almost all RISC-V platforms (except this one) have SBI Timer always
>> available and Linux uses a better timer or Sstc extension whenever
>> it is available.
>
> So this is the immediate solution: add the CLINT to the firmware
> devicetree so that the SBI time extension works, and Linux will boot
> without any code changes, albeit with a higher-overhead clockevent
> device.
That does not matter for the boot process when the sun4i timer becomes
available afterwards. But how can this be retrofitted along with the
kernel update?
Thanks,
tglx
next prev parent reply other threads:[~2024-08-15 15:14 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-08-14 14:56 [PATCH v1 0/9] Fix Allwinner D1 boot regression Emil Renner Berthing
2024-08-14 14:56 ` [PATCH v1 1/9] Revert "irqchip/sifive-plic: Chain to parent IRQ after handlers are ready" Emil Renner Berthing
2024-08-14 14:56 ` [PATCH v1 2/9] Revert "irqchip/sifive-plic: Avoid explicit cpumask allocation on stack" Emil Renner Berthing
2024-08-14 14:56 ` [PATCH v1 3/9] Revert "irqchip/sifive-plic: Improve locking safety by using irqsave/irqrestore" Emil Renner Berthing
2024-08-14 14:56 ` [PATCH v1 4/9] Revert "irqchip/sifive-plic: Parse number of interrupts and contexts early in plic_probe()" Emil Renner Berthing
2024-08-14 14:56 ` [PATCH v1 5/9] Revert "irqchip/sifive-plic: Cleanup PLIC contexts upon irqdomain creation failure" Emil Renner Berthing
2024-08-14 14:56 ` [PATCH v1 6/9] Revert "irqchip/sifive-plic: Use riscv_get_intc_hwnode() to get parent fwnode" Emil Renner Berthing
2024-08-14 14:56 ` [PATCH v1 7/9] Revert "irqchip/sifive-plic: Use devm_xyz() for managed allocation" Emil Renner Berthing
2024-08-14 14:56 ` [PATCH v1 8/9] Revert "irqchip/sifive-plic: Use dev_xyz() in-place of pr_xyz()" Emil Renner Berthing
2024-08-14 14:56 ` [PATCH v1 9/9] Revert "irqchip/sifive-plic: Convert PLIC driver into a platform driver" Emil Renner Berthing
2024-08-14 17:30 ` [PATCH v1 0/9] Fix Allwinner D1 boot regression Thomas Gleixner
2024-08-15 10:29 ` Emil Renner Berthing
2024-08-15 11:44 ` Thomas Gleixner
2024-08-15 12:04 ` Emil Renner Berthing
2024-08-15 12:14 ` Emil Renner Berthing
2024-08-15 13:16 ` Thomas Gleixner
2024-08-15 13:32 ` Samuel Holland
2024-08-15 14:11 ` Thomas Gleixner
2024-08-15 14:16 ` Anup Patel
2024-08-15 14:41 ` Samuel Holland
2024-08-15 15:07 ` Emil Renner Berthing
2024-08-15 15:59 ` Samuel Holland
2024-08-15 17:51 ` Palmer Dabbelt
2024-08-15 18:04 ` Thomas Gleixner
2024-08-16 6:13 ` Icenowy Zheng
2024-08-15 15:14 ` Thomas Gleixner [this message]
2024-08-15 14:30 ` Anup Patel
2024-08-15 15:03 ` Samuel Holland
2024-08-15 15:53 ` Anup Patel
2024-08-16 6:09 ` Icenowy Zheng
2024-08-15 13:35 ` Emil Renner Berthing
2024-08-15 17:51 ` Palmer Dabbelt
2024-08-15 18:10 ` Thomas Gleixner
2024-08-15 23:04 ` Palmer Dabbelt
2024-08-16 6:15 ` Icenowy Zheng
2024-08-18 14:47 ` Palmer Dabbelt
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