From: "H Hartley Sweeten" <hartleys@visionengravers.com>
To: "Mike Frysinger" <vapier@gentoo.org>,
<spi-devel-general@lists.sourceforge.net>,
"David Brownell" <dbrownell@users.sourceforge.net>
Cc: "Yi Li" <yi.li@analog.com>,
"Andrew Morton" <akpm@linux-foundation.org>,
<linux-kernel@vger.kernel.org>
Subject: RE: [spi-devel-general] [PATCH 1/2] spi: new SPI bus lock/unlockfunctions
Date: Wed, 16 Dec 2009 17:49:41 -0500 [thread overview]
Message-ID: <BD79186B4FD85F4B8E60E381CAEE19090200ED81@mi8nycmail19.Mi8.com> (raw)
In-Reply-To: <1253224997-7422-1-git-send-email-vapier@gentoo.org>
On Thursday, September 17, 2009 3:03 PM, Mike Frysinger wrote:
>
> From: Yi Li <yi.li@analog.com>
>
> 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 <yi.li@analog.com>
> Signed-off-by: Bryan Wu <cooloney@kernel.org>
> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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
next prev parent reply other threads:[~2009-12-16 22:49 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-09-17 22:03 [PATCH 1/2] spi: new SPI bus lock/unlock functions Mike Frysinger
2009-09-17 22:03 ` [PATCH 2/2] mmc_spi: lock the SPI bus when accessing the card Mike Frysinger
2009-09-18 0:29 ` [spi-devel-general] [PATCH 2/2] mmc_spi: lock the SPI bus whenaccessing " H Hartley Sweeten
2009-09-18 0:52 ` [PATCH 2/2 v2] mmc_spi: lock the SPI bus when accessing " Mike Frysinger
2009-09-18 21:30 ` Andrew Morton
2009-09-17 22:45 ` [spi-devel-general] [PATCH 1/2] spi: new SPI bus lock/unlockfunctions H Hartley Sweeten
2009-09-17 22:53 ` Mike Frysinger
2009-09-18 23:00 ` H Hartley Sweeten
2009-09-19 19:11 ` Mike Frysinger
2009-09-21 8:08 ` Li Yi
2009-09-18 21:29 ` [PATCH 1/2] spi: new SPI bus lock/unlock functions Andrew Morton
2009-09-21 6:33 ` Li Yi
2009-09-21 13:36 ` Mike Frysinger
2009-09-22 14:15 ` Mike Frysinger
2009-12-16 22:49 ` H Hartley Sweeten [this message]
2009-12-16 23:00 ` [spi-devel-general] [PATCH 1/2] spi: new SPI bus lock/unlockfunctions Mike Frysinger
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