linux-kernel - Re: [REGRESSION] Kernel 5.15 fails to boot on Apple Macs with T2 chip.

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Date:   Mon, 1 Nov 2021 12:52:56 +0000
From:   Aditya Garg <gargaditya08@...e.com>
To:     "andriy.shevchenko@...ux.intel.com" 
        <andriy.shevchenko@...ux.intel.com>,
        "mika.westerberg@...ux.intel.com" <mika.westerberg@...ux.intel.com>,
        Lee Jones <lee.jones@...aro.org>
CC:     Orlando Chamberlain <redecorating@...tonmail.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [REGRESSION] Kernel 5.15 fails to boot on Apple Macs with T2
 chip.

I remember facing this issue on 5.15-rc3 also. Though I am not sure about rc2 and rc1.

> On 01-Nov-2021, at 6:14 PM, Aditya Garg <gargaditya08@...e.com> wrote:
> 
> Due to some issue in intel-lpss-acpi, kernel 5.15 fails to boot on Apple Macs with T2 chip in 5.15. As a temporary workaround, "# CONFIG_MFD_INTEL_LPSS_ACPI is not set” has been set in the kernel configuration so that it does not interfere. You are requested to fix this issue.