linux-kernel - Re: [PATCH v2] nvme-pci: add NVME_QUIRK_DELAY_BEFORE_CHK

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Message-ID: <f80e9412-eaec-467f-8b18-b128df31ae17@archlinux.org>
Date:   Fri, 8 Sep 2023 19:07:15 +0300
From:   Felix Yan <felixonmars@...hlinux.org>
To:     kbusch@...nel.org, highenthalpyh@...il.com,
        linux-nvme@...ts.infradead.org, linux-kernel@...r.kernel.org
Cc:     xuwd1@...mail.com
Subject: Re: [PATCH v2] nvme-pci: add NVME_QUIRK_DELAY_BEFORE_CHK_RDY for
 MAXIO MAP1602

Hi,

I think I have found a better solution. Instead of adding quirks, the 
NVME_CRTO_CRWMT value is not really trustworthy when CRTO is zeroed. 
Luckily the NVME 2.0 spec does have word on this situation: "Software 
should not rely on 0h being returned".

I have put together another patch to supersede this one in
[PATCH] nvme-pci: ignore bogus CRTO according to NVME 2.0 spec

(This is still my first time kernel contribution. Please do correct me 
if I am doing anything wrong. Thanks!)

-- 
Regards,
Felix Yan

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