linux-kernel - Re: Bug: After a 'warm' reboot the disk is missing (not detected by the bios) on a HP t640

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Date: Mon, 22 Jan 2024 15:52:34 +0000
From: Ben Mesman | Spark Narrowcasting <ben@...rknarrowcasting.nl>
To: "Fred Ai(WH)" <fred.ai@...hubtech.com>, Sean Christopherson
	<seanjc@...gle.com>
CC: Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar <mingo@...hat.com>,
	Borislav Petkov <bp@...en8.de>, Dave Hansen <dave.hansen@...ux.intel.com>,
	"x86@...nel.org" <x86@...nel.org>, "linux-kernel@...r.kernel.org"
	<linux-kernel@...r.kernel.org>, Ulf Hansson <ulf.hansson@...aro.org>, Adrian
 Hunter <adrian.hunter@...el.com>, "Chevron Li (WH)"
	<chevron.li@...hubtech.com>, "Shaper Liu (WH)" <shaper.liu@...hubtech.com>
Subject: Re: Bug: After a 'warm' reboot the disk is missing (not detected by
 the bios) on a HP t640

Helllo Fred Ai,

> Hi Ben Mesman,
> I changed the code by using "set_power" to recover clock source when power off card and provide the attachment code try to fix this issue, but I didn't test this path code. You can test attachment patch code > and give the feedback to me.

I tested the attachment and this patch solves my issue, the HP t640 will now succesfully do a warm reboot. Thank you for your patience and amazing work.

Looking forward to sseing this patch in the mailline kernels :-)

Kind regards,
Ben Mesman.