Messages in this thread | | | Date | Wed, 11 May 2011 00:08:32 +0100 | From | Ben Dooks <> | Subject | Re: [PATCH 1/3] i2c: append hardware lock with bus lock |
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On Mon, May 02, 2011 at 11:46:16AM +0200, Jean Delvare wrote: > On Mon, 2 May 2011 10:27:34 +0100, Ben Dooks wrote: > > On Thu, Apr 28, 2011 at 11:15:44PM +0800, Haojian Zhuang wrote: > > > Both AP and CP are contained in Marvell PXA910 silicon. These two ARM > > > cores are sharing one pair of I2C pins. > > > > > > In order to keep I2C transaction operated with atomic, hardware lock > > > (RIPC) is required. Because of this, bus lock in AP side can't afford > > > this requirement. Now hardware lock is appended. > > > > > > Signed-off-by: Haojian Zhuang <haojian.zhuang@marvell.com> > > > Cc: Ben Dooks <ben-linux@fluff.org> > > > Cc: Jean Delvare <khali@linux-fr.org> > > > > Right, this looks like a reasonable explanation of what is going on here > > and if Jean is happy with the core changes I'll look at where the driver > > change can go. > > Yes I am! > > Let me know if you want me to take the core change in my tree or if you > prefer to have it in yours to avoid a dependency.
if it'll go in my tree ok, then yes. Will publish a new tree soon.
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