From: Mark Langsdorf <mlangsdo@redhat.com>
To: Christopher Covington <cov@codeaurora.org>,
Russell King <linux@arm.linux.org.uk>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Jiri Slaby <jslaby@suse.com>,
linux-serial@vger.kernel.org, linux-kernel@vger.kernel.org
Cc: linux-arm-msm@vger.kernel.org, Timur Tabi <timur@codeaurora.org>,
Jon Masters <jcm@redhat.com>,
Andre Przywara <andre.przywara@arm.com>,
Dave Martin <dave.martin@linaro.org>,
Aleksey Makarov <aleksey.makarov@linaro.org>,
Christopher Covington <christopher.covington@linaro.org>
Subject: Re: [PATCH] tty: amba-pl011: Use 32-bit accesses for SBSA UART
Date: Tue, 8 Mar 2016 08:51:53 -0600 [thread overview]
Message-ID: <56DEE709.7060907@redhat.com> (raw)
In-Reply-To: <1457415800-8799-1-git-send-email-cov@codeaurora.org>
On 03/07/2016 11:43 PM, Christopher Covington wrote:
> From: Christopher Covington <christopher.covington@linaro.org>
>
> Version 2 of the Server Base System Architecture (SBSA) describes the
> Generic UART registers as 32 bits wide. At least one implementation, found
> of the Qualcomm Technologies QDF2432, only supports 32 bit accesses. While
> other implementations may also support smaller sized accesses, simply use
> 32 bit accesses all the time for the SBSA UART for simple, broad,
> compatibility.
>
> Signed-off-by: Christopher Covington <cov@codeaurora.org>
> ---
I can boot the v4.5-rc7 on my QDF2432 platform with this patch,
and could not otherwise.
Tested-by: Mark Langsdorf <mlangsdo@redhat.com>
next prev parent reply other threads:[~2016-03-08 14:51 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-03-08 5:43 [PATCH] tty: amba-pl011: Use 32-bit accesses for SBSA UART Christopher Covington
2016-03-08 14:51 ` Mark Langsdorf [this message]
2016-03-11 6:35 ` Christopher Covington
2016-03-11 15:02 ` Peter Hurley
2016-03-11 23:38 ` [PATCH v2] " Christopher Covington
2016-03-15 10:08 ` [PATCH] " Andre Przywara
2016-03-30 12:30 ` Christopher Covington
2016-03-30 16:55 ` Greg Kroah-Hartman
2016-03-30 17:01 ` Timur Tabi
2016-03-30 18:01 ` Greg Kroah-Hartman
2016-03-30 18:11 ` Timur Tabi
2016-04-01 21:23 ` [PATCH v3] " Christopher Covington
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