Messages in this thread | | | Date | Sun, 22 Jun 2014 11:47:08 +0100 | From | Mark Brown <> | Subject | Re: [Patch v2 1/3] spi: qup: Remove chip select function |
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On Sat, Jun 21, 2014 at 01:56:46PM -0500, Andy Gross wrote: > On Sat, Jun 21, 2014 at 11:13:03AM +0100, Mark Brown wrote: > > On Thu, Jun 12, 2014 at 02:34:10PM -0500, Andy Gross wrote:
> > > This patch removes the chip select function. Chip select should instead be > > > supported using GPIOs, defining the DT entry "cs-gpios", and letting the SPI > > > core assert/deassert the chip select as it sees fit.
> > Why?
> The chip select control inside the controller is buggy. It is supposed to > automatically assert the chip select based on the activity in the controller, > but it is buggy and doesn't work at all. So instead we elect to use GPIOs.
OK, though it was in manual mode. [unhandled content-type:application/pgp-signature] | |