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Message-ID: <20110203150624.GA23123@sirena.org.uk> Date: Thu, 3 Feb 2011 15:06:24 +0000 From: Mark Brown <broonie@...nsource.wolfsonmicro.com> To: Alan Cox <alan@...rguk.ukuu.org.uk> Cc: Russ Gorby <russ.gorby@...el.com>, David Brownell <dbrownell@...rs.sourceforge.net>, Grant Likely <grant.likely@...retlab.ca>, "open list:SPI SUBSYSTEM" <spi-devel-general@...ts.sourceforge.net>, open list <linux-kernel@...r.kernel.org> Subject: Re: [PATCH 1/1] spi: intel_mid_ssp_spi: new SPI driver for intel Medfield platform On Thu, Feb 03, 2011 at 03:04:32PM +0000, Alan Cox wrote: > Mark Brown <broonie@...nsource.wolfsonmicro.com> wrote: > > I've got the same question here as I had with Russ' patch: it looks like > > there's some overlap with the SSP ports used for audio (it's just a > > generic programmable serial port so even if it's not normally used for > > audio that's a possiblity), how is that handled? > The SSP has PCI configuration indicating how it is being assigned, which > is in vendor capability byte 6. The low 3 bits indicte the mode, where > mode 1 is an SPI master/slave, and in that case bit 6 is set for a slave. OK, cool - just checking as it's a common issue for these generic serial ports. -- 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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