Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1763081AbZLPWtr (ORCPT ); Wed, 16 Dec 2009 17:49:47 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752233AbZLPWtp (ORCPT ); Wed, 16 Dec 2009 17:49:45 -0500 Received: from exprod6og106.obsmtp.com ([64.18.1.191]:57852 "HELO exprod6og106.obsmtp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1759414AbZLPWtn convert rfc822-to-8bit (ORCPT ); Wed, 16 Dec 2009 17:49:43 -0500 X-MimeOLE: Produced By Microsoft Exchange V6.5 Content-class: urn:content-classes:message MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7BIT Subject: RE: [spi-devel-general] [PATCH 1/2] spi: new SPI bus lock/unlockfunctions Date: Wed, 16 Dec 2009 17:49:41 -0500 Message-ID: In-Reply-To: <1253224997-7422-1-git-send-email-vapier@gentoo.org> X-MS-Has-Attach: X-MS-TNEF-Correlator: Thread-Topic: [spi-devel-general] [PATCH 1/2] spi: new SPI bus lock/unlockfunctions Thread-Index: Aco34r4iqplxwar0RoimruADJZQeuBGvwGmQ References: <1253224997-7422-1-git-send-email-vapier@gentoo.org> From: "H Hartley Sweeten" To: "Mike Frysinger" , , "David Brownell" Cc: "Yi Li" , "Andrew Morton" , X-OriginalArrivalTime: 16 Dec 2009 22:49:41.0443 (UTC) FILETIME=[0DC70930:01CA7EA2] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 914 Lines: 26 On Thursday, September 17, 2009 3:03 PM, Mike Frysinger wrote: > > From: Yi Li > > For some MMC cards over SPI bus, it needs to lock the SPI bus for its own > use. The SPI transfer must not be interrupted by other SPI devices that > share the SPI bus with SPI MMC card. > > This patch introduces 2 APIs for SPI bus locking operation. > > Signed-off-by: Yi Li > Signed-off-by: Bryan Wu > Signed-off-by: Mike Frysinger Has any additional work be done on this patchset? It would be nice to finally have a solution that lets the mmc_spi driver work on a shared spi bus. Regards, Hartley -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/