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Message-ID: <CAPnjgZ0atD3k=gT0vjgkLO_SA8DMak6SiT6nZ_2T6WFqtK0szQ@mail.gmail.com> Date: Thu, 29 Nov 2012 18:13:01 -0800 From: Simon Glass <sjg@...omium.org> To: Mark Brown <broonie@...nsource.wolfsonmicro.com> Cc: Naveen Krishna Chatradhi <ch.naveen@...sung.com>, linux-arm-kernel@...ts.infradead.org, linux-samsung-soc@...r.kernel.org, linux-i2c@...r.kernel.org, grundler@...omium.org, naveen@...omium.org, w.sang@...gutronix.de, linux-kernel@...r.kernel.org, Olof Johansson <olof@...om.net> Subject: Re: [PATCH 2/2] i2c-s3c2410: Add bus arbitration implementation +Olof On Thu, Nov 29, 2012 at 8:34 AM, Mark Brown <broonie@...nsource.wolfsonmicro.com> wrote: > On Thu, Nov 29, 2012 at 10:35:35AM +0530, Naveen Krishna Chatradhi wrote: > >> The arbitrator is a general purpose function which uses two GPIOs to >> communicate with another device to claim/release a bus. We use it to >> arbitrate an i2c port between the AP and the EC. > > Should this not be layerd on top of the I2C controller rather than part > of the controller driver? It doesn't seem terribly controller specific. It was originally done separately but I think it was felt that this was overly complex. Olof can you please comment on this? Regards, Simon -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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