Re: [PATCH v1 2/3] irqchip/sifive-plic: Name the chip more generically
From: Samuel Holland
Date: Mon Jun 27 2022 - 09:41:02 EST
On 6/27/22 2:11 AM, Marc Zyngier wrote:
> On 2022-06-27 06:12, Samuel Holland wrote:
>> The interface for SiFive's PLIC was adopted and clarified by RISC-V as
>> the standard PLIC interface. Now that several PLIC implementations by
>> different vendors share this same interface, it is somewhat misleading
>> to report "SiFive PLIC" to userspace, when no SiFive hardware may be
>> present. This is especially the case when some implementations are
>> subtly incompatible with the binding and behavior of the SiFive PLIC,
>> yet are similar enough to share a driver.
>
> Too late. This is ABI, and not changing, exactly because userspace
> sees it.
That makes sense. I will drop this patch.
Regards,
Samuel