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

Ben Hutchings
2014-06-10T01:06:01Z

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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 know.
>
> ------------------
>
> From: Stephen Hurd <shurd@broadcom.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@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>
[...]

--
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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