linux-kernel - Re: [PATCH 3.4 76/88] 8250/16?50: Add support for Broadcom TruManage redirected serial port

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Date:	Tue, 10 Jun 2014 02:05:52 +0100
From:	Ben Hutchings <ben@...adent.org.uk>
To:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:	linux-kernel@...r.kernel.org, stable@...r.kernel.org,
	Stephen Hurd <shurd@...adcom.com>,
	Michael Chan <mchan@...adcom.com>,
	Rui Xiang <rui.xiang@...wei.com>
Subject: Re: [PATCH 3.4 76/88] 8250/16?50: Add support for Broadcom
 TruManage redirected serial port

On Mon, 2014-06-09 at 17:25 -0700, Greg Kroah-Hartman wrote:
> 3.4-stable review patch.  If anyone has any objections, please let me know.
> 
> ------------------
> 
> From: Stephen Hurd <shurd@...adcom.com>
> 
> commit ebebd49a8eab5e9aa1b1f8f1614ccc3c2120f886 upstream.
> 
> Add support for the UART device present in Broadcom TruManage capable
> NetXtreme chips (ie: 5761m 5762, and 5725).
> 
> This implementation has a hidden transmit FIFO, so running in single-byte
> interrupt mode results in too many interrupts.  The UART_CAP_HFIFO
> capability was added to track this.  It continues to reload the THR as long
> as the THRE and TSRE bits are set in the LSR up to a specified limit (1024
> is used here).
> 
> Signed-off-by: Stephen Hurd <shurd@...adcom.com>
> Signed-off-by: Michael Chan <mchan@...adcom.com>
> [xr: Backported to 3.4:
>  - Adjust filenames
>  - Adjust context
>  - PORT_BRCM_TRUMANAGE is 22 not 24]

This last line isn't true any more.

Ben.

> Cc: Ben Hutchings <ben@...adent.org.uk>
> Signed-off-by: Rui Xiang <rui.xiang@...wei.com>
> Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
[...]

-- 
Ben Hutchings
DNRC Motto:  I can please only one person per day.
Today is not your day.  Tomorrow isn't looking good either.

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