From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ralf Baechle Subject: Re: [PATCH 4/5] mips: msp71xx/serial: add workaround for DW UART Date: Wed, 17 Aug 2011 13:56:33 +0100 Message-ID: <20110817125633.GC16422@linux-mips.org> References: <1313399875-11006-1-git-send-email-jamie@jamieiles.com> <1313399875-11006-5-git-send-email-jamie@jamieiles.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from h5.dl5rb.org.uk ([81.2.74.5]:37149 "EHLO linux-mips.org" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752864Ab1HQM6E (ORCPT ); Wed, 17 Aug 2011 08:58:04 -0400 Content-Disposition: inline In-Reply-To: <1313399875-11006-5-git-send-email-jamie@jamieiles.com> Sender: linux-serial-owner@vger.kernel.org List-Id: linux-serial@vger.kernel.org To: Jamie Iles Cc: linux-serial@vger.kernel.org, arnd@arndb.de, Alan Cox On Mon, Aug 15, 2011 at 10:17:54AM +0100, Jamie Iles wrote: > The Synopsys DesignWare UART in pmc-sierra msp71xx has an extra feature > where the UART detects a write attempt to the LCR whilst busy and raises > an interrupt. The driver needs to clear the interrupt and rewrite the > LCR. Move this into platform code and out of the 8250 driver. > > Cc: Ralf Baechle > Cc: Alan Cox > Signed-off-by: Jamie Iles Not quite the way I'd have done it but looks like it's going to work. Acked-by: Ralf Baechle Ralf