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Date:   Fri, 21 Oct 2022 17:39:13 +0200
From:   =?utf-8?Q?Ond=C5=99ej?= Jirman <megi@xff.cz>
To:     Peter Geis <pgwipeout@gmail.com>
Cc:     Heiko Stuebner <heiko@sntech.de>,
        linux-rockchip@lists.infradead.org,
        Rob Herring <robh+dt@kernel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        Michael Riesch <michael.riesch@wolfvision.net>,
        Nicolas Frattaroli <frattaroli.nicolas@gmail.com>,
        Sascha Hauer <s.hauer@pengutronix.de>,
        Frank Wunderlich <frank-w@public-files.de>,
        Ezequiel Garcia <ezequiel@vanguardiasur.com.ar>,
        Yifeng Zhao <yifeng.zhao@rock-chips.com>,
        Johan Jonker <jbx6244@gmail.com>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@vger.kernel.org>,
        "moderated list:ARM/Rockchip SoC support" 
        <linux-arm-kernel@lists.infradead.org>,
        open list <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v2] arm64: dts: rockchip: rk356x: Fix PCIe register map
 and ranges
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On Fri, Oct 21, 2022 at 09:07:50AM -0400, Peter Geis wrote:
> Good Morning Heiko,
> 
> Apologies for just getting to this, I'm still in the middle of moving
> and just got my lab set back up.
> 
> I've tested this patch series and it leads to the same regression with
> NVMe drives. A loop of md5sum on two identical 4GB random files
> produces the following results:
> d11cf0caa541b72551ca22dc5bef2de0  test-rand.img
> fad97e91da8d4fd554c895cafa89809b  test-rand2.img
> 2d56a7baa05c38535f4c19a2b371f90a  test-rand.img
> 74e8e6f93d7c3dc3ad250e91176f5901  test-rand2.img
> 25cfcfecf4dd529e4e9fbbe2be482053  test-rand.img
> 74e8e6f93d7c3dc3ad250e91176f5901  test-rand2.img
> b9637505bf88ed725f6d03deb7065dab  test-rand.img
> f7437e88d524ea92e097db51dce1c60d  test-rand2.img
> 
> Before this patch series:
> d11cf0caa541b72551ca22dc5bef2de0  test-rand.img
> d11cf0caa541b72551ca22dc5bef2de0  test-rand2.img
> d11cf0caa541b72551ca22dc5bef2de0  test-rand.img
> d11cf0caa541b72551ca22dc5bef2de0  test-rand2.img
> d11cf0caa541b72551ca22dc5bef2de0  test-rand.img
> d11cf0caa541b72551ca22dc5bef2de0  test-rand2.img
> d11cf0caa541b72551ca22dc5bef2de0  test-rand.img
> d11cf0caa541b72551ca22dc5bef2de0  test-rand2.img
> 
> Though I do love where this patch is going and would like to see if it
> can be made to work, in its current form it does not.

Thanks for the test. Can you please also test v1? Also please share lspci -vvv
of your nvme drive, so that we can see allocated address ranges, etc.

kind regards,
	o.

> Very Respectfully,
> Peter Geis