linux-kernel - Re: [PATCH v3 0/5] ACPI: parse the SPCR table

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Message-ID: <FD7CEA09-FFB5-4707-A4AE-7F721491C327@codeaurora.org>
Date:	Tue, 16 Feb 2016 21:36:10 -0500
From:	Christopher Covington <cov@...eaurora.org>
To:	Aleksey Makarov <aleksey.makarov@...aro.org>,
	linux-acpi@...r.kernel.org
CC:	linux-serial@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	Russell King <linux@....linux.org.uk>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	"Rafael J . Wysocki" <rjw@...ysocki.net>,
	Leif Lindholm <leif.lindholm@...aro.org>,
	Graeme Gregory <graeme.gregory@...aro.org>,
	Al Stone <ahs3@...hat.com>
Subject: Re: [PATCH v3 0/5] ACPI: parse the SPCR table



On February 15, 2016 1:05:24 PM EST, Aleksey Makarov <aleksey.makarov@...aro.org> wrote:
>This patchset is based on the patchset by Leif Lindholm [1]
>
>'ARM Server Base Boot Requirements' [2] mentions SPCR (Serial Port
>Console Redirection Table) [3] as a mandatory ACPI table that
>specifies the configuration of serial console.
>
>SPCR support is included in QEMU's ARM mach-virt since 2.4 release.
>
>Introduce a new function acpi_console_check().  At the uart port
>registration, this function checks if the ACPI SPCR table specifies
>its argument of type struct uart_port to be a console
>and if so calls add_preferred_console().
>
>Use SPCR to tell if SBSA serial driver should use 32-bit access to
>registers.

On QDF2432:

Tested-by: Christopher Covington <cov@...eaurora.org>

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