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

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Date:	Wed, 12 Dec 2012 00:32:22 +0000
From:	"Stephen Hurd" <shurd@...adcom.com>
To:	"gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>
cc:	"linux-serial@...r.kernel.org" <linux-serial@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: [PATCH] 8250/16?50: Add support for Broadcom TruManage
 redirected serial port

From: Stephen Hurd <shurd@...adcom.com>

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>

---

Patch against linux-2.7 from ftp.kernel.org downloaded Dec-11-2012.

Sorry about the attachment, I'm required to use Outlook.

Stephen Hurd
Senior Staff Engineer - Software Development
Broadcom Corporation
949-926-8039
shurd@...adcom.com  

Download attachment "brcm-trumanage-uart.patch" of type "application/octet-stream" (4143 bytes)