From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mike Frysinger Subject: Re: [spi-devel-general] [PATCH 1/2] spi: new SPI bus lock/unlockfunctions Date: Wed, 16 Dec 2009 18:00:04 -0500 Message-ID: <8bd0f97a0912161500h1dd95f1cr7a978b67ab6278b4@mail.gmail.com> References: <1253224997-7422-1-git-send-email-vapier@gentoo.org> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: spi-devel-general@lists.sourceforge.net, David Brownell , Yi Li , Andrew Morton , linux-kernel@vger.kernel.org To: H Hartley Sweeten Return-path: In-Reply-To: Sender: linux-kernel-owner@vger.kernel.org List-Id: linux-spi.vger.kernel.org On Wed, Dec 16, 2009 at 17:49, H Hartley Sweeten wrote: > 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 it= s own >> use. =C2=A0The SPI transfer must not be interrupted by other SPI dev= ices that >> share the SPI bus with SPI MMC card. >> >> This patch introduces 2 APIs for SPI bus locking operation. > > Has any additional work be done on this patchset? nope > It would be nice to finally have a solution that lets the mmc_spi dri= ver > work on a shared spi bus. the latest patch is on the list for _anyone_ to contribute their fixes to address the posted issues -mike