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Re: Re: [PATCH] drivers: rtc: retire RTC_DRV_GOLDFISH

From: Jiaxun Yang
Subject: Re: Re: [PATCH] drivers: rtc: retire RTC_DRV_GOLDFISH
Date: Sat, 14 Nov 2020 17:47:47 +0800
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.12.0

在 2020/11/14 下午4:15, Greg KH 写道:

+ qemu-riscv list and QEMU device maintainers of goldfish_rtc

On Sat, Nov 14, 2020 at 04:06:24PM +0800, 陈华才 wrote:
Hi, All,

Goldfish RTC works well on MIPS, and QEMU RISC-V emulator use Goldfish
as well, so I think  we should keep it in kernel.
But does anyone actually use it for anything?  Having something in qemu
is nice, but not required if it doesn't provide something that is
already there for other virtual devices, right?

Hi all,

Both QEMU MIPS loongson3-virt and riscv virt machine are using goldfish_rtc as sole RTC device, it have been hardcoded in QEMU for a long while and sudden drop in kernel would
break these machines.
RTC is essential for virt machines to keep time synchronized with host.

Given that it is the simplest RTC implementation for now, it won't give us much maintenance

Thus I do think it shouldn't be retired as for now. If nobody comes in I'd also willing to maintain


- Jiaxun


greg k-h

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