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Date: Tue, 16 Jan 2018 04:13:42 +0100
From: Ingo Molnar <mingo@kernel.org>
To: Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: "H. Peter Anvin" <hpa@zytor.com>,
        Thomas Gleixner <tglx@linutronix.de>,
        Ingo Molnar <mingo@redhat.com>, x86@kernel.org,
        linux-kernel@vger.kernel.org
Subject: Re: [PATCH v1 4/6] x86/boot: Assume MMIO if serial base address
 supplied via earlyprintk
Message-ID: <20180116031342.bxczth3ylbzdvk2r@gmail.com>
References: <20180114143254.15429-1-andriy.shevchenko@linux.intel.com>
 <20180114143254.15429-4-andriy.shevchenko@linux.intel.com>
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* Andy Shevchenko <andriy.shevchenko@linux.intel.com> wrote:

> If user supplied serial base address via kernel command line and value
> is higher than IO space limit (64k boundary), assume for now that MMIO
> byte access is required.
> 
> Later we might expand or modify this if needed.

Is this a standard pattern for serial code configuration values?

Thanks,

	Ingo