Message-ID: <1402362352.23860.101.camel@deadeye.wl.decadent.org.uk>
Subject: Re: [PATCH 3.4 76/88] 8250/16?50: Add support for Broadcom
 TruManage redirected serial port
From: Ben Hutchings <ben@decadent.org.uk>
To: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: linux-kernel@vger.kernel.org, stable@vger.kernel.org,
        Stephen Hurd <shurd@broadcom.com>, Michael Chan <mchan@broadcom.com>,
        Rui Xiang <rui.xiang@huawei.com>
Date: Tue, 10 Jun 2014 02:05:52 +0100
In-Reply-To: <20140610002426.983926719@linuxfoundation.org>
References: <20140610002424.500996570@linuxfoundation.org>
	 <20140610002426.983926719@linuxfoundation.org>
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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 kno=
w.
>=20
> ------------------
>=20
> From: Stephen Hurd <shurd@broadcom.com>
>=20
> commit ebebd49a8eab5e9aa1b1f8f1614ccc3c2120f886 upstream.
>=20
> Add support for the UART device present in Broadcom TruManage capable
> NetXtreme chips (ie: 5761m 5762, and 5725).
>=20
> 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 lo=
ng
> as the THRE and TSRE bits are set in the LSR up to a specified limit (102=
4
> is used here).
>=20
> Signed-off-by: Stephen Hurd <shurd@broadcom.com>
> Signed-off-by: Michael Chan <mchan@broadcom.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@decadent.org.uk>
> Signed-off-by: Rui Xiang <rui.xiang@huawei.com>
> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
[...]

--=20
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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