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